Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

kenhduhoc.vn

Trung tâm tư vấn du học chuyên nghiệp hàng đầu Việt Nam

Page Load Speed

15.1 sec in total

First Response

1.7 sec

Resources Loaded

13 sec

Page Rendered

387 ms

About Website

Click here to check amazing Kenh Du Hoc content for Vietnam. Otherwise, check out these important facts you probably never knew about kenhduhoc.vn

Tư vấn du học miễn phí với hơn 10 năm kinh nghiệm cho hầu hết các quốc gia: du học Mỹ, du học Anh, du học Canada, du học Pháp, du học Singapore, du học Úc, ...

Visit kenhduhoc.vn

Key Findings

We analyzed Kenhduhoc.vn page load time and found that the first response time was 1.7 sec and then it took 13.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

kenhduhoc.vn performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value11.9 s

0/100

25%

SI (Speed Index)

Value12.8 s

3/100

10%

TBT (Total Blocking Time)

Value1,600 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.383

27/100

15%

TTI (Time to Interactive)

Value19.9 s

2/100

10%

Network Requests Diagram

kenhduhoc.vn

1709 ms

autoads-maxlead-widget.js

1541 ms

gtm.js

68 ms

js

123 ms

stats.min.js

456 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 22% of them (8 requests) were addressed to the original Kenhduhoc.vn, 42% (15 requests) were made to Bizweb.dktcdn.net and 11% (4 requests) were made to Productsrecommend.sapoapps.vn. The less responsive or slowest element that took the longest time to load (3.3 sec) relates to the external source Bizweb.dktcdn.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 419.5 kB (24%)

Content Size

1.7 MB

After Optimization

1.3 MB

In fact, the total size of Kenhduhoc.vn main page is 1.7 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 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 389.8 kB

  • Original 500.6 kB
  • After minification 485.2 kB
  • After compression 110.8 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 389.8 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 29.3 kB

  • Original 1.2 MB
  • After minification 1.1 MB

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. Kenh Du Hoc images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 467 B

  • Original 60.9 kB
  • After minification 60.9 kB
  • After compression 60.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 11 B

  • Original 1.7 kB
  • After minification 1.7 kB
  • After compression 1.7 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. Kenhduhoc.vn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (38%)

Requests Now

34

After Optimization

21

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kenh Du Hoc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

kenhduhoc.vn accessibility score

75

Accessibility Issues

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

kenhduhoc.vn best practices score

67

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

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

kenhduhoc.vn SEO score

83

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    VI

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kenhduhoc.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 Kenhduhoc.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 Kenh Du Hoc. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: