Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

cnktdn.edu.vn

Trường Trung cấp Công nghệ và Kinh tế đối ngoại - HEU

Page Load Speed

53.6 sec in total

First Response

1.4 sec

Resources Loaded

51.3 sec

Page Rendered

831 ms

cnktdn.edu.vn screenshot

About Website

Click here to check amazing Cnktdn content. Otherwise, check out these important facts you probably never knew about cnktdn.edu.vn

Trường Trung cấp Công nghệ và Kinh tế đối ngoại được thành lập từ năm 2002, là cơ sở giáo dục ngoài công lập trong hệ thống các trường trung cấp chuyên nghiệp.

Visit cnktdn.edu.vn

Key Findings

We analyzed Cnktdn.edu.vn page load time and found that the first response time was 1.4 sec and then it took 52.2 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 17 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

cnktdn.edu.vn performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value43.7 s

0/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

Network Requests Diagram

cnktdn.edu.vn

1426 ms

heucollege.edu.vn

8859 ms

bootstrap.min.css

11371 ms

style.css

20221 ms

jquery.min.js

8724 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Cnktdn.edu.vn, 42% (37 requests) were made to Heucollege.edu.vn and 26% (23 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Heucollege.edu.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 462.4 kB (34%)

Content Size

1.4 MB

After Optimization

901.1 kB

In fact, the total size of Cnktdn.edu.vn main page is 1.4 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. 40% of websites need less resources to load. Images take 757.5 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 64.6 kB

  • Original 75.8 kB
  • After minification 44.6 kB
  • After compression 11.2 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. This page needs HTML code to be minified as it can gain 31.2 kB, which is 41% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 64.6 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 24.7 kB

  • Original 757.5 kB
  • After minification 732.8 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. Cnktdn images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 240.1 kB

  • Original 367.5 kB
  • After minification 367.4 kB
  • After compression 127.4 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 240.1 kB or 65% of the original size.

CSS Optimization

-82%

Potential reduce by 133.1 kB

  • Original 162.7 kB
  • After minification 155.8 kB
  • After compression 29.7 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. Cnktdn.edu.vn needs all CSS files to be minified and compressed as it can save up to 133.1 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (39%)

Requests Now

67

After Optimization

41

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cnktdn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cnktdn.edu.vn accessibility score

82

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-hidden="true"] elements contain focusable descendents

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

Heading elements are not in a sequentially-descending order

Best Practices

cnktdn.edu.vn best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cnktdn.edu.vn SEO score

93

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cnktdn.edu.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it does not match the claimed English language. Our system also found out that Cnktdn.edu.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 data is detected on the main page of Cnktdn. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: