Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

vietkhoa.edu.vn

Maintenance Page - Viet Khoa College

Page Load Speed

13.6 sec in total

First Response

1.6 sec

Resources Loaded

11.9 sec

Page Rendered

83 ms

vietkhoa.edu.vn screenshot

About Website

Welcome to vietkhoa.edu.vn homepage info - get ready to check Viet Khoa best content for Vietnam right away, or after learning these important things about vietkhoa.edu.vn

Visit vietkhoa.edu.vn

Key Findings

We analyzed Vietkhoa.edu.vn page load time and found that the first response time was 1.6 sec and then it took 12 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

vietkhoa.edu.vn performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value110 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value1.156

1/100

15%

TTI (Time to Interactive)

Value7.1 s

52/100

10%

Network Requests Diagram

vietkhoa.edu.vn

1575 ms

wp-emoji-release.min.js

260 ms

css2

34 ms

jquery.min.js

774 ms

jquery-migrate.min.js

752 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 83% of them (40 requests) were addressed to the original Vietkhoa.edu.vn, 6% (3 requests) were made to Googletagmanager.com and 4% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Vietkhoa.edu.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 86.1 kB (19%)

Content Size

452.7 kB

After Optimization

366.6 kB

In fact, the total size of Vietkhoa.edu.vn main page is 452.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Javascripts take 207.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 58.1 kB

  • Original 75.9 kB
  • After minification 75.2 kB
  • After compression 17.8 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 58.1 kB or 77% of the original size.

Image Optimization

-21%

Potential reduce by 12.8 kB

  • Original 62.0 kB
  • After minification 49.2 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, Viet Khoa needs image optimization as it can save up to 12.8 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 7.9 kB

  • Original 207.5 kB
  • After minification 207.5 kB
  • After compression 199.6 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

-7%

Potential reduce by 7.2 kB

  • Original 107.2 kB
  • After minification 107.2 kB
  • After compression 100.0 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. Vietkhoa.edu.vn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 35 (92%)

Requests Now

38

After Optimization

3

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Viet Khoa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

vietkhoa.edu.vn accessibility score

100

Accessibility Issues

Best Practices

vietkhoa.edu.vn best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

vietkhoa.edu.vn SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

High

robots.txt is not valid

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

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vietkhoa.edu.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Vietkhoa.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 description is not detected on the main page of Viet Khoa. 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: