nhatpham.net

nhatpham.net is SSL secured

Free website and domain report on nhatpham.net

Last Updated: 2nd November, 2021 Update Now
Overview

Snoop Summary for nhatpham.net

This is a free and comprehensive report about nhatpham.net. The domain nhatpham.net is currently hosted on a server located in Ho Chi Minh City, Ho Chi Minh in Vietnam with the IP address 171.244.23.233, where VND is the local currency and the local language is Vietnamese. If nhatpham.net was to be sold it would possibly be worth $736 USD (based on the daily revenue potential of the website over a 24 month period). Nhatpham.net receives an estimated 349 unique visitors every day - a decent amount of traffic! This report was last updated 2nd November, 2021.

About nhatpham.net

Site Preview: nhatpham.net nhatpham.net
Title:
Description:
Keywords and Tags: real estate
Related Terms:
Fav Icon:
Age: Over 11 years old
Domain Created: 19th October, 2013
Domain Updated: 2nd October, 2021
Domain Expires: 19th October, 2022
Review

Snoop Score

1/5

Valuation

$736 USD
Note: All valuation figures are estimates.

Popularity

Low
Note: Popularity is estimated.

Rank, Reach and Authority

Alexa Rank: 3,771,027
Alexa Reach:
SEMrush Rank (US):
SEMrush Authority Score:
Moz Domain Authority: 0
Moz Page Authority: 0

Organic vs Paid (Google Ads)

Traffic

Visitors

Daily Visitors: 349
Monthly Visitors: 10,622
Yearly Visitors: 127,385
Note: All visitors figures are estimates.

Visitors By Country

Revenue

Revenue

Daily Revenue: $1 USD
Monthly Revenue: $30 USD
Yearly Revenue: $363 USD
Note: All revenue figures are estimates.

Revenue By Country

SEO

Backlinks Analysis (SEMrush)

Top New Follow Links

Top Ranking Keywords (US)

Domain Analysis

Value Length
Domain: nhatpham.net 12
Domain Name: nhatpham 8
Extension (TLD): net 3
Expiry Check:

Page Speed Analysis

Average Load Time:
Load Time Comparison:

PageSpeed Insights

Avg. (All Categories) 77
Performance 80
Accessibility 96
Best Practices 80
SEO 92
Progressive Web App 36
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
Simulate loading on desktop
80

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for nhatpham.net. This includes details about optimizing page load times which can result in a better user experience.

Metrics

First Contentful Paint — 0.9 s
The time taken for the first image or text on the page to be rendered.
Time to Interactive — 1.2 s
The time taken for the page to become fully interactive.
Total Blocking Time — 0 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).
Cumulative Layout Shift — 0
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Other

Max Potential First Input Delay — 40 ms
Users could experience a delay when interacting with the page.
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Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
2604.889
7.208
2615.112
46.835
4351.691
25.196
4376.902
44.059
4421.646
11.419
4433.128
6.267
4444.47
15.327
4462.513
14.989
4477.529
6.299
4484.043
6.988
4491.074
6.439
4497.787
5.586
4505.315
6.59
4517.774
16.924
4539.517
8.909
4549.529
19.102
4570.406
17.079
4587.515
5.536
4602.545
29.662
4652.471
12.999
4666.778
21.413
4715.399
5.944
4824.012
11.686
5079.767
70.024
5149.808
6.051
5157.632
5.349
5171.43
16.408
5187.971
16.16
5378.114
6.701
6335.448
7.44
6921.949
12.201
8224.715
7.561
8997.172
24.661
9088.117
5.113
9113.117
6.102
9160.027
12.935
9238.207
10.119
9273.972
8.815
9689.677
16.073
9810.091
10.7
10357.454
12.763
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data
Script Treemap Data
Provide as required, for treemap app.

Opportunities

Properly size images — Potential savings of 53 KiB
Images can slow down the page's load time. Nhatpham.net should consider serving more appropriate-sized images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://nhatpham.net/wp-content/themes/twentyseventeen/assets/images/header.jpg
114854
54190
Defer offscreen images
Time to Interactive can be slowed down by resources on the page. Nhatpham.net should consider lazy-loading offscreen and hidden images.
Minify CSS — Potential savings of 10 KiB
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Nhatpham.net should consider minifying CSS files.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://nhatpham.net/wp-content/themes/twentyseventeen/style.css?ver=20201208
20684
5285
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/style.css?ver=5.3.9
12738
3057
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/icofont.css
19430
2262
Minify JavaScript — Potential savings of 14 KiB
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Nhatpham.net should consider minifying JS files.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/fancybox/jquery.fancybox.js?ver=1.1
16885
5950
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/jquery-scrolltofixed.js?ver=1.1
5757
3548
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/magnify.js?ver=1.1
4619
2571
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/jquery.matchHeight.js?ver=1.1
3811
2197
Reduce unused JavaScript — Potential savings of 300 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://connect.facebook.net/signals/config/528688871101948?v=2.9.48&r=stable
90273
84815
https://connect.facebook.net/signals/config/288053965252172?v=2.9.48&r=stable
90499
71248
https://connect.facebook.net/en_US/sdk.js?hash=dc47f3511b28f5709ab1af23d8bd58c0
79102
56415
https://js.hsleadflows.net/leadflows.js
89165
38424
https://www.googletagmanager.com/gtag/js?id=AW-940481163&l=dataLayer&cx=c
39852
32009
https://www.googletagmanager.com/gtm.js?id=GTM-M5NWS4J
38878
24567
Efficiently encode images
Unoptimized images can consume more cellular data than what is necessary.
Serve images in next-gen formats — Potential savings of 38 KiB
Consider JPEG 2000, JPEG XR or WebP image formats which provide better compression than PNG and JPEG.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://nhatpham.net/wp-content/themes/twentyseventeen/assets/images/header.jpg
114854
38672.5
Enable text compression
Text-based resources should be served with compression, such as gzip, deflate or brotli.
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Avoid multiple page redirects — Potential savings of 190 ms
Redirects can cause additional delays before the page can begin loading. Nhatpham.net should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
http://nhatpham.net/
190
https://nhatpham.net/
0
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. Nhatpham.net should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.
Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.
Avoid serving legacy JavaScript to modern browsers — Potential savings of 33 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.
URL Potential Savings (Bytes)
https://connect.facebook.net/signals/config/288053965252172?v=2.9.48&r=stable
11869
https://connect.facebook.net/signals/config/528688871101948?v=2.9.48&r=stable
11848
https://js.hscollectedforms.net/collectedforms.js
6630
https://js.hsleadflows.net/leadflows.js
3684
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/aos.js?ver=1.1
60
https://js.hs-banner.com/6055858.js
45
https://connect.facebook.net/en_US/fbevents.js
45
Preload Largest Contentful Paint image
It is recommended to preload images used by LCP elements, to improve LCP time.

Diagnostics

Avoids enormous network payloads — Total size was 1,229 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
https://nhatpham.net/wp-content/themes/twentyseventeen/assets/images/header.jpg
115062
https://connect.facebook.net/signals/config/288053965252172?v=2.9.48&r=stable
90499
https://connect.facebook.net/signals/config/528688871101948?v=2.9.48&r=stable
90273
https://js.hsleadflows.net/leadflows.js
89165
https://connect.facebook.net/en_US/sdk.js?hash=dc47f3511b28f5709ab1af23d8bd58c0
79102
https://www.googletagmanager.com/gtag/js?id=AW-940481163
39894
https://www.googletagmanager.com/gtag/js?id=AW-940481163&l=dataLayer&cx=c
39852
https://nhatpham.net/wp-includes/js/jquery/jquery.js?ver=1.12.4-wp
39622
https://www.googletagmanager.com/gtm.js?id=GTM-M5NWS4J
38878
https://www.googletagmanager.com/gtag/js?id=UA-144008602-1
36588
Avoids an excessive DOM size — 187 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
187
Maximum DOM Depth
11
Maximum Child Elements
52
Avoid chaining critical requests — 42 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Nhatpham.net should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
JavaScript execution time — 0.1 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://nhatpham.net/
190.688
49.147
2.879
Unattributable
107.784
2.616
0.125
https://js.hsleadflows.net/leadflows.js
86.084
63.698
8.555
Minimizes main-thread work — 0.9 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
485.201
Other
180.713
Style & Layout
82.881
Script Parsing & Compilation
57.878
Parse HTML & CSS
48.46
Rendering
42.39
All text remains visible during webfont loads
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
Keep request counts low and transfer sizes small — 141 requests • 1,229 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
141
1258491
Script
53
865946
Stylesheet
24
154911
Image
26
131560
Font
3
55481
Other
33
27040
Document
2
23553
Media
0
0
Third-party
97
813605
Minimize third-party usage — Third-party code blocked the main thread for 0 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
291520
0
155212
0
144731
0
59016
0
38613
0
20981
0
19148
0
1790
0
1697
0
1551
0
1472
0
1282
0
1054
0
823
0
797
0
777
0
757
0
736
0
603
0
477
0
315
0
235
0
Lazy load third-party resources with facades
Consider replacing third-party embeds with a facade until they are required (use lazy loading).
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
Largest Contentful Paint image was not lazily loaded
Above-the-fold images that are lazily loaded render later in the page lifecycle, which can delay the largest contentful paint.
Element
Avoid large layout shifts
Below is a list of all DOM elements that contribute to the CLS of the page.
Uses passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
Avoid long main-thread tasks
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
Avoid non-composited animations — 1 animated element found
It is recommended to avoid non-composited animations which are often janky and increase CLS.
Element Name
Image elements have explicit `width` and `height`
Reduce layout shifts and improve CLS by setting explicit width and height properties on image elements.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of nhatpham.net on mobile screens.

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Metrics

Largest Contentful Paint — 2.1 s
The timing of the largest text or image that is painted.

Other

First Meaningful Paint — 1.2 s
The time taken for the primary content of the page to be rendered.

Opportunities

Eliminate render-blocking resources — Potential savings of 470 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. Nhatpham.net should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Transfer Size (Bytes) Potential Savings (Ms)
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/bootstrap.min.css?ver=5.3.9
28227
120
https://fonts.googleapis.com/css?family=Libre+Franklin%3A300%2C300i%2C400%2C400i%2C600%2C600i%2C800%2C800i&subset=latin%2Clatin-ext&display=fallback
1661
230
https://nhatpham.net/wp-includes/js/jquery/jquery.js?ver=1.12.4-wp
39622
80
Reduce unused CSS — Potential savings of 99 KiB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Nhatpham.net should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/bootstrap.min.css?ver=5.3.9
28227
27830
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/icofont.css
19430
19430
https://nhatpham.net/wp-content/themes/twentyseventeen/style.css?ver=20201208
20684
16724
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/jquery.mmenu.all.css?ver=5.3.9
12602
12602
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/style.css?ver=5.3.9
12738
12544
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/hover.css
12365
12365

Metrics

Speed Index — 3.6 s
The time taken for the page contents to be visibly populated.

Opportunities

Reduce initial server response time — Root document took 1,740 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.
URL Time Spent (Ms)
https://nhatpham.net/
1742.043

Diagnostics

Serve static assets with an efficient cache policy — 63 resources found
Nhatpham.net can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Transfer Size (Bytes)
https://nhatpham.net/wp-content/themes/twentyseventeen/assets/images/header.jpg
0
115062
https://nhatpham.net/wp-includes/js/jquery/jquery.js?ver=1.12.4-wp
0
39622
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/bootstrap.min.css?ver=5.3.9
0
28227
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/jquery.mmenu.all.min.js?ver=1.1
0
24461
https://nhatpham.net/wp-content/themes/twentyseventeen/style.css?ver=20201208
0
20684
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/icofont.css
0
19430
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/fancybox/jquery.fancybox.js?ver=1.1
0
16885
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/bootstrap.min.js?ver=1.1
0
16310
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/owl.carousel.min.js?ver=1.1
0
13139
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/style.css?ver=5.3.9
0
12738
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/jquery.mmenu.all.css?ver=5.3.9
0
12602
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/hover.css
0
12365
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/font-awesome.min.css?ver=5.3.9
0
8162
https://nhatpham.net/wp-includes/css/dist/block-library/style.min.css?ver=5.3.9
0
7758
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/animations.css
0
7212
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/jquery-scrolltofixed.js?ver=1.1
0
5757
https://nhatpham.net/wp-includes/js/wp-emoji-release.min.js?ver=5.3.9
0
5435
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/aos.js?ver=1.1
0
5089
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/responsive.css?ver=5.3.9
0
5003
https://nhatpham.net/wp-content/plugins/contact-form-7/includes/js/scripts.js?ver=5.2.2
0
4841
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/magnify.js?ver=1.1
0
4619
https://nhatpham.net/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1
0
4528
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/jquery.matchHeight.js?ver=1.1
0
3811
https://nhatpham.net/wp-content/themes/twentyseventeen/assets/js/global.js?ver=20190121
0
3165
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/aos.css?ver=5.3.9
0
3141
https://nhatpham.net/wp-content/themes/twentyseventeen/assets/js/jquery.scrollTo.js?ver=2.1.2
0
2850
https://nhatpham.net/wp-content/themes/twentyseventeen/assets/css/blocks.css?ver=20190105
0
2479
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/style_skycodec.css?ver=5.3.9
0
2258
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/fancybox/jquery.fancybox.css
0
1823
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/owl.css
0
1561
https://nhatpham.net/wp-content/themes/twentyseventeen/assets/js/navigation.js?ver=20161203
0
1520
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/morphing-modal.css
0
1512
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/script.js?ver=1.1
0
1260
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/skycodec_js.js?ver=1.1
0
1164
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/phone.css
0
1123
https://nhatpham.net/wp-content/plugins/contact-form-7/includes/css/styles.css?ver=5.2.2
0
989
https://nhatpham.net/wp-includes/js/wp-embed.min.js?ver=5.3.9
0
974
https://nhatpham.net/wp-includes/css/dist/block-library/theme.min.css?ver=5.3.9
0
896
https://s.adroll.com/j/exp/index.js
0
750
https://s.adroll.com/j/pre/index.js
0
721
https://nhatpham.net/wp-content/themes/twentyseventeen/assets/js/skip-link-focus-fix.js?ver=20161114
0
646
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/scrolling-nav.css?ver=5.3.9
0
506
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/font-cutoms.css
0
480
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/bootstrap.thems.css
0
427
https://js.hs-scripts.com/6055858.js
60000
1243
https://js.hs-analytics.net/analytics/1635878400000/6055858.js
300000
20311
https://js.hs-banner.com/6055858.js
300000
16579
https://connect.facebook.net/signals/config/288053965252172?v=2.9.48&r=stable
1200000
90499
https://connect.facebook.net/signals/config/528688871101948?v=2.9.48&r=stable
1200000
90273
https://connect.facebook.net/en_US/fbevents.js
1200000
27144
https://connect.facebook.net/en_US/sdk.js
1200000
2861
https://s.adroll.com/j/sendrolling.js
3600000
3575
https://www.google-analytics.com/analytics.js
7200000
20371
https://deqik.com/tag/corejs/ATMMLJA0JGNEM.js
863978000
6744
https://static.amcdn.vn/core/adm_tracking.js
863979000
7852
https://static.amcdn.vn/core/analytics.js
863979000
6687
https://static.amcdn.vn/cpa/amc-core.min.js
863979000
4078
https://media1.admicro.vn/core/visen.js
863980000
5745
https://static.contineljs.com/core/lgnews.js
863980000
4306
https://static.contineljs.com/cpa/tp2.js?t=1635878620484
863980000
527
https://media1.admicro.vn/ads_codes/ads_code_1.ads
863980000
289
https://static.contineljs.com/cpa/core/tp2_core.min.js?t=1635878621881
863981000
3189
https://static.amcdn.vn/core/persist.js
863983000
8624
Avoid `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
Source
96

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of nhatpham.net. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.
No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`button`, `link`, and `menuitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
ARIA `meter` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `progressbar` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
ARIA `tooltip` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `treeitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
`<frame>` or `<iframe>` elements have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
Image elements have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
Form elements have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
Links have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.
`<object>` elements have `[alt]` text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Nhatpham.net may provide assistance to deaf or hearing-impaired users with captions on videos.

Contrast

Background and foreground colors do not have a sufficient contrast ratio.
Many (if not most) users find low-contrast text difficult or impossible to read.
Failing Elements

Navigation

Heading elements are not in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
Failing Elements

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
80

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that nhatpham.net should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Links to cross-origin destinations are safe
Improve performance and prevent security vulnerabilities by adding rel="noopener" and rel="noreferrer" to external links.
Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Ensure CSP is effective against XSS attacks
Significantly reduce the risk of cross-site scripting attacks (XSS) by ensuring you have a strong Content Security Policy (CSP).
Description Directive Severity
No CSP found in enforcement mode
High

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Displays images with correct aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
Serves images with appropriate resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.
Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Page has the HTML doctype
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.
Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Avoids Application Cache
Application cache is deprecated and is no longer recommended.
Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
jQuery
1.12.4
WordPress
5.3.9
core-js
core-js-pure@3.0.0; core-js-global@3.0.1
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.
No browser errors logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
Page has valid source maps
Consider deploying source maps for added benefits such as the ability to debug while in production.
URL Map URL
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/bootstrap.min.js?ver=1.1
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/bootstrap.min.js.map
https://js.hscollectedforms.net/collectedforms.js
https://js.hscollectedforms.net/project.js.map
No issues in the `Issues` panel in Chrome Devtools
There may be unresolved issues logged to Chrome Devtools.

Audits

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL Request Resolution
http://nhatpham.net/
Allowed
Includes front-end JavaScript libraries with known security vulnerabilities — 4 vulnerabilities detected
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Library Version Vulnerability Count Highest Severity
4
Medium

Audits

Registers an `unload` listener
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.
Source
92

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for nhatpham.net. This includes optimizations such as providing meta data.

Mobile Friendly

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of nhatpham.net on mobile screens.
Document uses legible font sizes
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Tap targets are sized appropriately
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.
Image elements have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Links are crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Content Best Practices

Document does not have a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
36

Progressive Web App

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of nhatpham.net. This includes details about web app manifests.

PWA Optimized

Redirects HTTP traffic to HTTPS
It is advised to redirect all HTTP traffic to HTTPS, in order to enable secure web features for all users.
Content is sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of nhatpham.net on mobile screens.

Installable

Web app manifest or service worker do not meet the installability requirements — 1 reason
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.
Failure reason
No manifest was fetched

PWA Optimized

Does not register a service worker that controls page and `start_url`
A service worker is used to provide Progressive Web Apps the use of features such as working offline, the ability for the app to be added to the homescreen as well as push notifications.
Is not configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data
Does not set a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data
Does not provide a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.
Manifest doesn't have a maskable icon
Maskable icons are great to ensure that images fill the entire shape when installing the app on a device.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.
Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.
Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.
Avg. (All Categories) 71
Performance 44
Accessibility 96
Best Practices 80
SEO 93
Progressive Web App 42
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
Simulate loading on mobile
44

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for nhatpham.net. This includes details about optimizing page load times which can result in a better user experience.

Metrics

Cumulative Layout Shift — 0
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Other

Max Potential First Input Delay — 110 ms
Users could experience a delay when interacting with the page.
Network Requests
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http://nhatpham.net/
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https://x.bidswitch.net/sync?dsp_id=44&user_id=OTNkNmExOTNlMDQ0OWQ5ZjUxMDViYmI5YzQ0OGIwMDA
http/1.1
5363.1290000048
5370.0910000043
235
43
200
image/gif
Image
https://sync.taboola.com/sg/adroll-network/1/rtb-h?taboola_hm=OTNkNmExOTNlMDQ0OWQ5ZjUxMDViYmI5YzQ0OGIwMDA
h2
5363.1670000032
5391.1059999955
315
0
204
text/plain
Image
https://eb2.3lift.com/xuid?mid=4714&xuid=OTNkNmExOTNlMDQ0OWQ5ZjUxMDViYmI5YzQ0OGIwMDA&dongle=c85e
http/1.1
5364.8180000018
5382.5990000041
594
0
302
text/plain
https://ib.adnxs.com/setuid?entity=172&code=OTNkNmExOTNlMDQ0OWQ5ZjUxMDViYmI5YzQ0OGIwMDA
http/1.1
5364.8609999946
5472.2940000065
603
43
200
image/gif
Image
https://idsync.rlcdn.com/377928.gif?partner_uid=93d6a193e0449d9f5105bbb9c448b000
http/1.1
5365.0099999941
5406.4999999973
732
0
307
text/plain
https://us-u.openx.net/w/1.0/sd?id=537103138&val=93d6a193e0449d9f5105bbb9c448b000
http/1.1
5365.1609999943
5374.8510000005
514
0
302
text/plain
https://cm.g.doubleclick.net/pixel?google_sc&google_nid=artb&google_hm=k9ahk-BEnZ9RBbu5xEiwAA
http/1.1
5365.307
5375.1840000041
1071
0
302
text/html
https://us-u.openx.net/w/1.0/sd?cc=1&id=537103138&val=93d6a193e0449d9f5105bbb9c448b000
h2
5375.469999999
5384.5000000001
347
43
200
image/gif
Image
https://d.adroll.com/cm/g/in
h2
5375.9310000023
5395.4320000048
710
42
200
image/gif
Image
https://pixel.advertising.com/ups/55980/sync?uid=OTNkNmExOTNlMDQ0OWQ5ZjUxMDViYmI5YzQ0OGIwMDA&_origin=1&gdpr=0&gdpr_consent=BOOla_OOOla_OA2ABBENAkwAAAAXyACAAyAIIA&verify=true
http/1.1
5377.8949999978
5401.8369999976
658
0
302
text/plain
https://eb2.3lift.com/xuid?ld=1&mid=4714&xuid=OTNkNmExOTNlMDQ0OWQ5ZjUxMDViYmI5YzQ0OGIwMDA&dongle=c85e&gdpr=0&cmp_cs=&us_privacy=
h2
5383.3339999983
5411.5710000042
458
37
200
image/gif
Image
https://ups.analytics.yahoo.com/ups/55980/sync?uid=OTNkNmExOTNlMDQ0OWQ5ZjUxMDViYmI5YzQ0OGIwMDA&_origin=1&gdpr=0&gdpr_consent=BOOla_OOOla_OA2ABBENAkwAAAAXyACAAyAIIA&apid=UPdede301d-3c0c-11ec-9a84-0e0f9ead2ff1
http/1.1
5402.0880000025
5496.1190000031
878
0
302
text/plain
https://idsync.rlcdn.com/1000.gif?memo=CMiIFxIrCicIARDqIhogOTNkNmExOTNlMDQ0OWQ5ZjUxMDViYmI5YzQ0OGIwMDAQABoNCPuNhowGEgUI6AcQAEIASgA
http/1.1
5407.2489999962
5456.7689999967
740
0
307
text/plain
https://pippio.com/api/sync?pid=5324&it=1&iv=2580ea4683d99efbd6d14bea4b358762db502dfe468f4574d597c638e29bdef5791426b5417dce21&_=2
http/1.1
5457.1290000022
5502.1419999975
1016
0
307
text/plain
https://www.facebook.com/tr/?id=528688871101948&ev=PageView&dl=https%3A%2F%2Fnhatpham.net%2F&rl=&if=false&ts=1635878651911&cd[segment_eid]=EU57JF6UOVENPIIJZSMF3M&sw=360&sh=640&v=2.9.48&r=stable&ec=0&o=29&fbp=fb.1.1635878649492.1757786873&it=1635878649308&coo=false&dpo=LDU&dpoco=0&dpost=0&exp=p1&rqm=GET
h2
5478.2050000067
5499.0370000014
498
44
200
image/gif
Image
https://ups.analytics.yahoo.com/ups/55980/sync?uid=OTNkNmExOTNlMDQ0OWQ5ZjUxMDViYmI5YzQ0OGIwMDA&_origin=1&gdpr=0&gdpr_consent=BOOla_OOOla_OA2ABBENAkwAAAAXyACAAyAIIA&apid=UPdede301d-3c0c-11ec-9a84-0e0f9ead2ff1&verify=true
http/1.1
5496.4730000065
5585.6380000041
1039
0
204
text/plain
Image
https://cm.g.doubleclick.net/pixel?google_nid=pippio_dmp&google_cm&google_no_sc&m=CMwpElsKVwgBEJInGlAyNTgwZWE0NjgzZDk5ZWZiZDZkMTRiZWE0YjM1ODc2MmRiNTAyZGZlNDY4ZjQ1NzRkNTk3YzYzOGUyOWJkZWY1NzkxNDI2YjU0MTdkY2UyMRAAGgwI-42GjAYSBAgCEABCAEoA
http/1.1
5502.4870000052
5510.7339999959
971
0
302
text/html
https://pippio.com/api/sync/ddp?pid=2&m=CMwpElsKVwgBEJInGlAyNTgwZWE0NjgzZDk5ZWZiZDZkMTRiZWE0YjM1ODc2MmRiNTAyZGZlNDY4ZjQ1NzRkNTk3YzYzOGUyOWJkZWY1NzkxNDI2YjU0MTdkY2UyMRAAGgwI-42GjAYSBAgCEABCAEoA&google_gid=CAESEOMo0t_nRn9REN8Kw1l1Wos&google_cver=1
http/1.1
5511.1049999978
5558.6960000073
535
0
307
text/plain
https://usermatch.krxd.net/um/v2?partner=liveramp_identity
http/1.1
5559.042000008
5578.4890000068
328
0
302
text/plain
https://beacon.krxd.net/usermatch.gif?kuid_status=new&partner=liveramp_identity
h2
5578.7640000053
5594.6510000067
444
0
204
text/plain
Image
https://dsum-sec.casalemedia.com/rum?cm_dsp_id=105&external_user_id=OTNkNmExOTNlMDQ0OWQ5ZjUxMDViYmI5YzQ0OGIwMDA&expiration=1667414651&C=1
http/1.1
5750.7949999999
6005.7349999988
1030
43
200
image/gif
Image
Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
1812.35
8.708
1824.319
40.955
2780.992
6.458
2791.482
26.196
2821.155
33.865
2856.021
6.434
2876.486
13.227
2890.992
6.262
2897.288
15.502
2914.246
5.217
2924.555
6.453
2931.04
5.693
2936.811
8.796
2947.354
22.676
2972.36
17.566
2995.764
6.478
3002.273
10.084
3019.755
22.709
3053.928
10.738
3067.049
5.871
3074.251
25.642
3099.941
22.354
3135.557
6.492
3309.025
14.123
3397.986
6.861
3546.148
45.61
3593.153
8.674
3604.472
7.407
3622.23
8.116
3760.307
12.585
4283.64
8.202
5026.266
15.279
5122.434
8.107
5142.988
6.341
5185.112
11.05
5269.201
15.286
5363.141
15.851
5503.574
11.661
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data
Script Treemap Data
Provide as required, for treemap app.

Opportunities

Defer offscreen images
Time to Interactive can be slowed down by resources on the page. Nhatpham.net should consider lazy-loading offscreen and hidden images.
Minify JavaScript — Potential savings of 14 KiB
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Nhatpham.net should consider minifying JS files.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/fancybox/jquery.fancybox.js?ver=1.1
16885
5950
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/jquery-scrolltofixed.js?ver=1.1
5757
3548
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/magnify.js?ver=1.1
4619
2571
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/jquery.matchHeight.js?ver=1.1
3811
2197
Efficiently encode images
Unoptimized images can consume more cellular data than what is necessary.
Enable text compression
Text-based resources should be served with compression, such as gzip, deflate or brotli.
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Avoid multiple page redirects — Potential savings of 630 ms
Redirects can cause additional delays before the page can begin loading. Nhatpham.net should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
http://nhatpham.net/
630
https://nhatpham.net/
0
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. Nhatpham.net should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.
Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.
Avoid serving legacy JavaScript to modern browsers — Potential savings of 33 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.
URL Potential Savings (Bytes)
https://connect.facebook.net/signals/config/528688871101948?v=2.9.48&r=stable
11845
https://connect.facebook.net/signals/config/288053965252172?v=2.9.48&r=stable
11840
https://js.hscollectedforms.net/collectedforms.js
6631
https://js.hsleadflows.net/leadflows.js
3684
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/aos.js?ver=1.1
60
https://js.hs-banner.com/6055858.js
45
https://connect.facebook.net/en_US/fbevents.js
45
Preload Largest Contentful Paint image
It is recommended to preload images used by LCP elements, to improve LCP time.

Diagnostics

Avoids enormous network payloads — Total size was 1,220 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
https://nhatpham.net/wp-content/themes/twentyseventeen/assets/images/header.jpg
115062
https://connect.facebook.net/signals/config/288053965252172?v=2.9.48&r=stable
90279
https://connect.facebook.net/signals/config/528688871101948?v=2.9.48&r=stable
90256
https://js.hsleadflows.net/leadflows.js
89158
https://connect.facebook.net/en_US/sdk.js?hash=a076038bbb85be8341f7fb0fd7651c22
77921
https://www.googletagmanager.com/gtag/js?id=AW-940481163&l=dataLayer&cx=c
39901
https://www.googletagmanager.com/gtag/js?id=AW-940481163
39895
https://nhatpham.net/wp-includes/js/jquery/jquery.js?ver=1.12.4-wp
39622
https://www.googletagmanager.com/gtm.js?id=GTM-M5NWS4J
38878
https://www.googletagmanager.com/gtag/js?id=UA-144008602-1
36551
Avoids an excessive DOM size — 185 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
185
Maximum DOM Depth
11
Maximum Child Elements
52
Avoid chaining critical requests — 42 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Nhatpham.net should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
All text remains visible during webfont loads
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
Keep request counts low and transfer sizes small — 141 requests • 1,220 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
141
1249059
Script
53
857124
Stylesheet
24
154911
Image
26
131561
Font
3
55482
Other
34
27969
Document
1
22012
Media
0
0
Third-party
97
804173
Minimize third-party usage — Third-party code blocked the main thread for 110 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
155225
38.564
20982
34.112
290103
27.62
38574
8.308
144701
0
59017
0
19146
0
2575
0
1789
0
1551
0
1472
0
1267
0
1052
0
861
0
796
0
777
0
772
0
736
0
603
0
477
0
315
0
235
0
Lazy load third-party resources with facades
Consider replacing third-party embeds with a facade until they are required (use lazy loading).
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
Largest Contentful Paint image was not lazily loaded
Above-the-fold images that are lazily loaded render later in the page lifecycle, which can delay the largest contentful paint.
Element
Avoid large layout shifts
Below is a list of all DOM elements that contribute to the CLS of the page.
Uses passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
Avoids `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
Avoid long main-thread tasks — 15 long tasks found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://nhatpham.net/
1260
164
https://nhatpham.net/wp-includes/js/jquery/jquery.js?ver=1.12.4-wp
5460
105
https://connect.facebook.net/signals/config/288053965252172?v=2.9.48&r=stable
9945
103
https://www.googletagmanager.com/gtag/js?id=AW-940481163
4780
91
https://www.google-analytics.com/analytics.js
6251
91
https://nhatpham.net/wp-includes/js/wp-embed.min.js?ver=5.3.9
10488
91
https://js.hsleadflows.net/leadflows.js
5565
89
https://connect.facebook.net/en_US/sdk.js?hash=a076038bbb85be8341f7fb0fd7651c22
8595
70
https://nhatpham.net/
1424
68
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/aos.js?ver=1.1
13247
63
https://connect.facebook.net/en_US/fbevents.js
7095
62
https://www.googletagmanager.com/gtm.js?id=GTM-M5NWS4J
11240
61
https://d.adroll.com/consent/check/EMHULCVBFZESBOA33PCKOM?arrfrr=https%3A%2F%2Fnhatpham.net%2F&_s=114cdbe2760e16a54256c0ca3d2f2c7f&_b=2
13036
61
https://www.googletagmanager.com/gtm.js?id=GTM-M5NWS4J
7180
53
https://static.amcdn.vn/core/adm_tracking.js
10410
50
Avoid non-composited animations
It is recommended to avoid non-composited animations which are often janky and increase CLS.
Image elements have explicit `width` and `height`
Reduce layout shifts and improve CLS by setting explicit width and height properties on image elements.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of nhatpham.net on mobile screens.

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Metrics

Total Blocking Time — 330 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).

Opportunities

Properly size images — Potential savings of 38 KiB
Images can slow down the page's load time. Nhatpham.net should consider serving more appropriate-sized images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://nhatpham.net/wp-content/themes/twentyseventeen/assets/images/header.jpg
114854
38997
Minify CSS — Potential savings of 10 KiB
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Nhatpham.net should consider minifying CSS files.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://nhatpham.net/wp-content/themes/twentyseventeen/style.css?ver=20201208
20684
5285
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/style.css?ver=5.3.9
12738
3057
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/icofont.css
19430
2262
Serve images in next-gen formats — Potential savings of 38 KiB
Consider JPEG 2000, JPEG XR or WebP image formats which provide better compression than PNG and JPEG.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://nhatpham.net/wp-content/themes/twentyseventeen/assets/images/header.jpg
114854
38672.5

Diagnostics

Reduce JavaScript execution time — 1.5 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://nhatpham.net/
484.412
163.58
11.624
Unattributable
479.672
12.92
0.58
https://js.hsleadflows.net/leadflows.js
279.472
202.916
31.9
https://nhatpham.net/wp-includes/js/jquery/jquery.js?ver=1.12.4-wp
152.744
108.164
7.256
https://connect.facebook.net/signals/config/288053965252172?v=2.9.48&r=stable
132.196
105.956
19.136
https://www.googletagmanager.com/gtag/js?id=AW-940481163
130.728
120.424
6.416
https://js.hscollectedforms.net/collectedforms.js
128.36
100.228
8.94
https://connect.facebook.net/en_US/sdk.js?hash=a076038bbb85be8341f7fb0fd7651c22
102.592
71.452
22.58
https://www.google-analytics.com/analytics.js
94.836
86.864
3.448
https://www.googletagmanager.com/gtm.js?id=GTM-M5NWS4J
90.372
75.888
9.808
https://d.adroll.com/consent/check/EMHULCVBFZESBOA33PCKOM?arrfrr=https%3A%2F%2Fnhatpham.net%2F&_s=114cdbe2760e16a54256c0ca3d2f2c7f&_b=2
62.396
61.08
0.484
https://connect.facebook.net/en_US/fbevents.js
62.008
52.752
6.468
https://d.adroll.com/pixel/EMHULCVBFZESBOA33PCKOM/V5JJAGTHWNDW5NM5WBGHAM?adroll_fpc=b44bda3a19e03c970b1512e55ac746c2-1635878651669&arrfrr=https%3A%2F%2Fnhatpham.net%2F&xid_ch=f&pv=92441238203.42593&cookie=&adroll_s_ref=&keyw=
60.848
56.612
1.024
https://js.hs-analytics.net/analytics/1635878400000/6055858.js
58.376
50.556
4.228
https://static.amcdn.vn/core/analytics.js
54.892
49.32
2.116
https://www.googletagmanager.com/gtag/js?id=UA-144008602-1
54.612
45.768
6.128
Minimize main-thread work — 3.1 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
1744.16
Other
651.984
Style & Layout
234.068
Script Parsing & Compilation
223.588
Parse HTML & CSS
219.728
Garbage Collection
34.464
Rendering
22.7

Metrics

First Contentful Paint — 3.5 s
The time taken for the first image or text on the page to be rendered.
Speed Index — 9.8 s
The time taken for the page contents to be visibly populated.
Largest Contentful Paint — 10.1 s
The timing of the largest text or image that is painted.
Time to Interactive — 12.3 s
The time taken for the page to become fully interactive.

Other

First Meaningful Paint — 5.4 s
The time taken for the primary content of the page to be rendered.
First Contentful Paint (3G) — 6960 ms
The time taken for the first image or text on the page to be rendered while on a 3G network.

Opportunities

Eliminate render-blocking resources — Potential savings of 2,020 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. Nhatpham.net should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Transfer Size (Bytes) Potential Savings (Ms)
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/bootstrap.min.css?ver=5.3.9
28227
450
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/style_skycodec.css?ver=5.3.9
2258
150
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/responsive.css?ver=5.3.9
5003
150
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/jquery.mmenu.all.css?ver=5.3.9
12602
150
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/font-awesome.min.css?ver=5.3.9
8162
150
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/aos.css?ver=5.3.9
3141
150
https://fonts.googleapis.com/css?family=Libre+Franklin%3A300%2C300i%2C400%2C400i%2C600%2C600i%2C800%2C800i&subset=latin%2Clatin-ext&display=fallback
1661
780
https://nhatpham.net/wp-content/themes/twentyseventeen/style.css?ver=20201208
20684
150
https://nhatpham.net/wp-includes/js/jquery/jquery.js?ver=1.12.4-wp
39622
450
https://nhatpham.net/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1
4528
150
Reduce unused CSS — Potential savings of 100 KiB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Nhatpham.net should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/bootstrap.min.css?ver=5.3.9
28227
27830
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/icofont.css
19430
19430
https://nhatpham.net/wp-content/themes/twentyseventeen/style.css?ver=20201208
20684
17989
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/jquery.mmenu.all.css?ver=5.3.9
12602
12602
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/style.css?ver=5.3.9
12738
12544
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/hover.css
12365
12365
Reduce unused JavaScript — Potential savings of 299 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://connect.facebook.net/signals/config/528688871101948?v=2.9.48&r=stable
90256
84799
https://connect.facebook.net/signals/config/288053965252172?v=2.9.48&r=stable
90279
71112
https://connect.facebook.net/en_US/sdk.js?hash=a076038bbb85be8341f7fb0fd7651c22
77921
55344
https://js.hsleadflows.net/leadflows.js
89158
38421
https://www.googletagmanager.com/gtag/js?id=AW-940481163&l=dataLayer&cx=c
39901
32049
https://www.googletagmanager.com/gtm.js?id=GTM-M5NWS4J
38878
24545
Reduce initial server response time — Root document took 970 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.
URL Time Spent (Ms)
https://nhatpham.net/
974.992

Diagnostics

Serve static assets with an efficient cache policy — 62 resources found
Nhatpham.net can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Transfer Size (Bytes)
https://nhatpham.net/wp-content/themes/twentyseventeen/assets/images/header.jpg
0
115062
https://nhatpham.net/wp-includes/js/jquery/jquery.js?ver=1.12.4-wp
0
39622
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/bootstrap.min.css?ver=5.3.9
0
28227
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/jquery.mmenu.all.min.js?ver=1.1
0
24461
https://nhatpham.net/wp-content/themes/twentyseventeen/style.css?ver=20201208
0
20684
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/icofont.css
0
19430
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/fancybox/jquery.fancybox.js?ver=1.1
0
16885
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/bootstrap.min.js?ver=1.1
0
16310
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/owl.carousel.min.js?ver=1.1
0
13139
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/style.css?ver=5.3.9
0
12738
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/jquery.mmenu.all.css?ver=5.3.9
0
12602
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/hover.css
0
12365
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/font-awesome.min.css?ver=5.3.9
0
8162
https://nhatpham.net/wp-includes/css/dist/block-library/style.min.css?ver=5.3.9
0
7758
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/animations.css
0
7212
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/jquery-scrolltofixed.js?ver=1.1
0
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https://nhatpham.net/wp-includes/js/wp-emoji-release.min.js?ver=5.3.9
0
5435
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/aos.js?ver=1.1
0
5089
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/responsive.css?ver=5.3.9
0
5003
https://nhatpham.net/wp-content/plugins/contact-form-7/includes/js/scripts.js?ver=5.2.2
0
4841
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/magnify.js?ver=1.1
0
4619
https://nhatpham.net/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1
0
4528
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/jquery.matchHeight.js?ver=1.1
0
3811
https://nhatpham.net/wp-content/themes/twentyseventeen/assets/js/global.js?ver=20190121
0
3165
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/aos.css?ver=5.3.9
0
3141
https://nhatpham.net/wp-content/themes/twentyseventeen/assets/js/jquery.scrollTo.js?ver=2.1.2
0
2850
https://nhatpham.net/wp-content/themes/twentyseventeen/assets/css/blocks.css?ver=20190105
0
2479
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/style_skycodec.css?ver=5.3.9
0
2258
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/fancybox/jquery.fancybox.css
0
1823
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/owl.css
0
1561
https://nhatpham.net/wp-content/themes/twentyseventeen/assets/js/navigation.js?ver=20161203
0
1520
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/morphing-modal.css
0
1512
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/script.js?ver=1.1
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https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/skycodec_js.js?ver=1.1
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https://nhatpham.net/wp-includes/js/wp-embed.min.js?ver=5.3.9
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https://nhatpham.net/wp-includes/css/dist/block-library/theme.min.css?ver=5.3.9
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896
https://s.adroll.com/j/exp/index.js
0
750
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721
https://nhatpham.net/wp-content/themes/twentyseventeen/assets/js/skip-link-focus-fix.js?ver=20161114
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https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/scrolling-nav.css?ver=5.3.9
0
506
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/font-cutoms.css
0
480
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/css/bootstrap.thems.css
0
427
https://js.hs-scripts.com/6055858.js
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https://js.hs-analytics.net/analytics/1635878400000/6055858.js
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https://js.hs-banner.com/6055858.js
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https://connect.facebook.net/signals/config/288053965252172?v=2.9.48&r=stable
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90279
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1200000
90256
https://connect.facebook.net/en_US/fbevents.js
1200000
27144
https://connect.facebook.net/en_US/sdk.js
1200000
2862
https://s.adroll.com/j/sendrolling.js
3600000
3544
https://www.google-analytics.com/analytics.js
7200000
20372
https://deqik.com/tag/corejs/ATMMLJA0JGNEM.js
863979000
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https://static.amcdn.vn/core/analytics.js
863979000
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863979000
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863981000
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96

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of nhatpham.net. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.
No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`button`, `link`, and `menuitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
ARIA `meter` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `progressbar` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
ARIA `tooltip` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `treeitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
`<frame>` or `<iframe>` elements have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
Image elements have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
Form elements have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
Links have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.
`<object>` elements have `[alt]` text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Nhatpham.net may provide assistance to deaf or hearing-impaired users with captions on videos.

Contrast

Background and foreground colors do not have a sufficient contrast ratio.
Many (if not most) users find low-contrast text difficult or impossible to read.
Failing Elements

Navigation

Heading elements are not in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
Failing Elements

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
80

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that nhatpham.net should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Links to cross-origin destinations are safe
Improve performance and prevent security vulnerabilities by adding rel="noopener" and rel="noreferrer" to external links.
Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Ensure CSP is effective against XSS attacks
Significantly reduce the risk of cross-site scripting attacks (XSS) by ensuring you have a strong Content Security Policy (CSP).
Description Directive Severity
No CSP found in enforcement mode
High

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Displays images with correct aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
Serves images with appropriate resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.
Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Page has the HTML doctype
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.
Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Avoids Application Cache
Application cache is deprecated and is no longer recommended.
Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
jQuery
1.12.4
WordPress
5.3.9
core-js
core-js-global@3.0.1; core-js-pure@3.0.0
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.
No browser errors logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
Page has valid source maps
Consider deploying source maps for added benefits such as the ability to debug while in production.
URL Map URL
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/bootstrap.min.js?ver=1.1
https://nhatpham.net/wp-content/plugins/skycodec-elementor/assets/js/bootstrap.min.js.map
https://js.hscollectedforms.net/collectedforms.js
https://js.hscollectedforms.net/project.js.map
No issues in the `Issues` panel in Chrome Devtools
There may be unresolved issues logged to Chrome Devtools.

Audits

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL Request Resolution
http://nhatpham.net/
Allowed
Includes front-end JavaScript libraries with known security vulnerabilities — 4 vulnerabilities detected
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Library Version Vulnerability Count Highest Severity
4
Medium

Audits

Registers an `unload` listener
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.
Source
93

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for nhatpham.net. This includes optimizations such as providing meta data.

Mobile Friendly

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of nhatpham.net on mobile screens.
Document uses legible font sizes — 100% legible text
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Source Selector % of Page Text Font Size
100.00%
≥ 12px
Tap targets are sized appropriately — 100% appropriately sized tap targets
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.
Image elements have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Links are crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Content Best Practices

Document does not have a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
42

Progressive Web App

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of nhatpham.net. This includes details about web app manifests.

PWA Optimized

Redirects HTTP traffic to HTTPS
It is advised to redirect all HTTP traffic to HTTPS, in order to enable secure web features for all users.
Content is sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of nhatpham.net on mobile screens.

Installable

Web app manifest or service worker do not meet the installability requirements — 1 reason
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.
Failure reason
No manifest was fetched

PWA Optimized

Does not register a service worker that controls page and `start_url`
A service worker is used to provide Progressive Web Apps the use of features such as working offline, the ability for the app to be added to the homescreen as well as push notifications.
Is not configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data
Does not set a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data
Does not provide a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.
Manifest doesn't have a maskable icon
Maskable icons are great to ensure that images fill the entire shape when installing the app on a device.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.
Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.
Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.
Hosting

Server Location

Server IP Address: 171.244.23.233
Continent: Asia
Country: Vietnam
Vietnam Flag
Region: Ho Chi Minh
City: Ho Chi Minh City
Longitude: 106.6438
Latitude: 10.8142
Currencies: VND
Languages: Vietnamese

Web Hosting Provider

Name IP Address
Viettel Group
Registration

Domain Registrant

Private Registration: No
Name:
Organization:
Country:
City:
State:
Post Code:
Email:
Phone:
Note: Registration information is derived from various sources and may be inaccurate.

Domain Registrar

Name IP Address
NAMECHEAP INC 104.16.99.56
Security

Visitor Safety

Mature Content: Not Likely
McAfee WebAdvisor Rating: Safe
WOT Rating:
WOT Trustworthiness:
WOT Child Safety:
Note: Safety information is not guaranteed.

SSL/TLS Certificate

Issued To: nhatpham.net
Issued By: R3
Valid From: 8th October, 2021
Valid To: 6th January, 2022
Subject: CN = nhatpham.net
Hash: cfc45bc8
Issuer: CN = R3
O = Let's Encrypt
S = US
Version: 2
Serial Number: 0x04B83748B25D8EE1EEE9FC3B4C8B64F5EFBF
Serial Number (Hex): 04B83748B25D8EE1EEE9FC3B4C8B64F5EFBF
Valid From: 8th October, 2024
Valid To: 6th January, 2024
Signature Algorithm (Short Name): RSA-SHA256
Signature Algorithm (Long Name): sha256WithRSAEncryption
Authority Key Identifier: keyid:14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
Extended Key Usage: TLS Web Server Authentication, TLS Web Client Authentication
Certificate Policies: Policy: 2.23.140.1.2.1
Policy: 1.3.6.1.4.1.44947.1.1.1
CPS: http://cps.letsencrypt.org

Authority Information Access: OCSP - URI:http://r3.o.lencr.org
CA Issuers - URI:http://r3.i.lencr.org/

SCT List: Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 41:C8:CA:B1:DF:22:46:4A:10:C6:A1:3A:09:42:87:5E:
4E:31:8B:1B:03:EB:EB:4B:C7:68:F0:90:62:96:06:F6
Timestamp : Oct 8 17:17:24.108 2021 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:EE:73:BB:4A:8B:AE:91:F0:68:0E:5D:
34:2F:2B:AF:6F:02:76:AB:57:F7:76:59:61:58:72:D4:
95:DE:AB:F5:F1:02:20:46:B0:B1:FC:28:8F:16:6D:BD:
F2:25:8A:BA:0A:1E:85:CC:B4:CB:22:9E:21:03:35:6E:
77:44:A6:BE:FA:17:6F
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 46:A5:55:EB:75:FA:91:20:30:B5:A2:89:69:F4:F3:7D:
11:2C:41:74:BE:FD:49:B8:85:AB:F2:FC:70:FE:6D:47
Timestamp : Oct 8 17:17:24.130 2021 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:C7:C3:D6:AF:5E:F3:2E:A2:88:AC:38:
AF:B2:C2:C7:E7:FB:B6:89:62:6E:D0:51:48:6A:41:C2:
C0:97:26:9A:30:02:21:00:D1:26:18:E9:B6:39:F4:05:
EA:3C:93:B1:76:B1:38:21:69:F5:AC:0D:61:38:24:FD:
63:9F:71:E3:C9:1F:B5:E5
Key Usage: Digital Signature, Key Encipherment
Basic Constraints: CA:FALSE
Subject Alternative Name: DNS:www.nhatpham.net
DNS:nhatpham.net
Technical

DNS Lookup

HTTP Response Headers

Whois Lookup

Created: 19th October, 2013
Changed: 2nd October, 2021
Expires: 19th October, 2022
Registrar: NAMECHEAP INC
Status: clientTransferProhibited
Nameservers: dns1.registrar-servers.com
dns2.registrar-servers.com
Owner Name: Redacted for Privacy
Owner Organization: Privacy service provided by Withheld for Privacy ehf
Owner Street: Kalkofnsvegur 2
Owner Post Code: 101
Owner City: Reykjavik
Owner State: Capital Region
Owner Country: IS
Owner Phone: +354.4212434
Owner Email: 724d055d9e1d44a7912d366b9990158d.protect@withheldforprivacy.com
Admin Name: Redacted for Privacy
Admin Organization: Privacy service provided by Withheld for Privacy ehf
Admin Street: Kalkofnsvegur 2
Admin Post Code: 101
Admin City: Reykjavik
Admin State: Capital Region
Admin Country: IS
Admin Phone: +354.4212434
Admin Email: 724d055d9e1d44a7912d366b9990158d.protect@withheldforprivacy.com
Tech Name: Redacted for Privacy
Tech Organization: Privacy service provided by Withheld for Privacy ehf
Tech Street: Kalkofnsvegur 2
Tech Post Code: 101
Tech City: Reykjavik
Tech State: Capital Region
Tech Country: IS
Tech Phone: +354.4212434
Tech Email: 724d055d9e1d44a7912d366b9990158d.protect@withheldforprivacy.com
Full Whois: Domain name: nhatpham.net
Registry Domain ID: 1831674390_DOMAIN_NET-VRSN
Registrar WHOIS Server: whois.namecheap.com
Registrar URL: http://www.namecheap.com
Updated Date: 2021-10-02T03:21:19.35Z
Creation Date: 2013-10-19T04:11:17.00Z
Registrar Registration Expiration Date: 2022-10-19T04:11:17.00Z
Registrar: NAMECHEAP INC
Registrar IANA ID: 1068
Registrar Abuse Contact Email: abuse@namecheap.com
Registrar Abuse Contact Phone: +1.9854014545
Reseller: NAMECHEAP INC
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID:
Registrant Name: Redacted for Privacy
Registrant Organization: Privacy service provided by Withheld for Privacy ehf
Registrant Street: Kalkofnsvegur 2
Registrant City: Reykjavik
Registrant State/Province: Capital Region
Registrant Postal Code: 101
Registrant Country: IS
Registrant Phone: +354.4212434
Registrant Phone Ext:
Registrant Fax:
Registrant Fax Ext:
Registrant Email: 724d055d9e1d44a7912d366b9990158d.protect@withheldforprivacy.com
Registry Admin ID:
Admin Name: Redacted for Privacy
Admin Organization: Privacy service provided by Withheld for Privacy ehf
Admin Street: Kalkofnsvegur 2
Admin City: Reykjavik
Admin State/Province: Capital Region
Admin Postal Code: 101
Admin Country: IS
Admin Phone: +354.4212434
Admin Phone Ext:
Admin Fax:
Admin Fax Ext:
Admin Email: 724d055d9e1d44a7912d366b9990158d.protect@withheldforprivacy.com
Registry Tech ID:
Tech Name: Redacted for Privacy
Tech Organization: Privacy service provided by Withheld for Privacy ehf
Tech Street: Kalkofnsvegur 2
Tech City: Reykjavik
Tech State/Province: Capital Region
Tech Postal Code: 101
Tech Country: IS
Tech Phone: +354.4212434
Tech Phone Ext:
Tech Fax:
Tech Fax Ext:
Tech Email: 724d055d9e1d44a7912d366b9990158d.protect@withheldforprivacy.com
Name Server: dns1.registrar-servers.com
Name Server: dns2.registrar-servers.com
DNSSEC: unsigned
URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/
>>> Last update of WHOIS database: 2021-11-02T08:43:31.24Z <<<
For more information on Whois status codes, please visit https://icann.org/epp

Nameservers

Name IP Address
dns1.registrar-servers.com 156.154.132.200
dns2.registrar-servers.com 156.154.133.200
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Domain Valuation Snoop Score
$137 USD 1/5
$50 USD