Report Summary

  • 2

    Performance

    Renders faster than
    19% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

Page Load Speed

38.9 sec in total

First Response

3.3 sec

Resources Loaded

35.2 sec

Page Rendered

427 ms

mangkhongday.vn screenshot

About Website

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Key Findings

We analyzed Mangkhongday.vn page load time and found that the first response time was 3.3 sec and then it took 35.6 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 13 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

mangkhongday.vn performance score

2

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.0 s

0/100

25%

SI (Speed Index)

Value16.7 s

0/100

10%

TBT (Total Blocking Time)

Value5,770 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.596

11/100

15%

TTI (Time to Interactive)

Value28.8 s

0/100

10%

Network Requests Diagram

mangkhongday.vn

3275 ms

style.css

1055 ms

jquery-1.3.2.min.js

7364 ms

dropdown.js

694 ms

nivo-slider.css

1788 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 56% of them (45 requests) were addressed to the original Mangkhongday.vn, 10% (8 requests) were made to Apis.google.com and 6% (5 requests) were made to Opi.yahoo.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Mangkhongday.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 408.7 kB (32%)

Content Size

1.3 MB

After Optimization

888.0 kB

In fact, the total size of Mangkhongday.vn main page is 1.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 942.3 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 38.8 kB

  • Original 51.8 kB
  • After minification 50.1 kB
  • After compression 13.0 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 38.8 kB or 75% of the original size.

Image Optimization

-18%

Potential reduce by 172.8 kB

  • Original 942.3 kB
  • After minification 769.5 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Mangkhongday needs image optimization as it can save up to 172.8 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-62%

Potential reduce by 161.6 kB

  • Original 260.2 kB
  • After minification 246.8 kB
  • After compression 98.5 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 161.6 kB or 62% of the original size.

CSS Optimization

-84%

Potential reduce by 35.5 kB

  • Original 42.4 kB
  • After minification 31.0 kB
  • After compression 6.9 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Mangkhongday.vn needs all CSS files to be minified and compressed as it can save up to 35.5 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (47%)

Requests Now

62

After Optimization

33

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mangkhongday. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

mangkhongday.vn accessibility score

77

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Best Practices

mangkhongday.vn best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

mangkhongday.vn SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mangkhongday.vn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Vietnamese. Our system also found out that Mangkhongday.vn main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of Mangkhongday. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: