Report Summary

  • 52

    Performance

    Renders faster than
    70% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

diendanseovietnam.edu.vn

Website tin tức tổng hợp cập nhật 2022

Page Load Speed

14.7 sec in total

First Response

734 ms

Resources Loaded

13.2 sec

Page Rendered

753 ms

diendanseovietnam.edu.vn screenshot

About Website

Click here to check amazing Diendanseovietnam content for Vietnam. Otherwise, check out these important facts you probably never knew about diendanseovietnam.edu.vn

Website tin tức tổng hợp cập nhật 2022

Visit diendanseovietnam.edu.vn

Key Findings

We analyzed Diendanseovietnam.edu.vn page load time and found that the first response time was 734 ms and then it took 13.9 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

diendanseovietnam.edu.vn performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

7/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

Network Requests Diagram

diendanseovietnam.edu.vn

734 ms

analytics.js

26 ms

css.php

113 ms

custom-node-icons

90 ms

css.php

95 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 67% of them (68 requests) were addressed to the original Diendanseovietnam.edu.vn, 8% (8 requests) were made to Letuandesign.com and 8% (8 requests) were made to Miss.edu.vn. The less responsive or slowest element that took the longest time to load (11.8 sec) relates to the external source Miss.edu.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 416.1 kB (41%)

Content Size

1.0 MB

After Optimization

602.7 kB

In fact, the total size of Diendanseovietnam.edu.vn main page is 1.0 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. 60% of websites need less resources to load. Images take 470.5 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 137.1 kB

  • Original 162.2 kB
  • After minification 148.8 kB
  • After compression 25.1 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 137.1 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 13.7 kB

  • Original 470.5 kB
  • After minification 456.8 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. Diendanseovietnam images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 247.2 kB

  • Original 362.6 kB
  • After minification 352.0 kB
  • After compression 115.4 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 247.2 kB or 68% of the original size.

CSS Optimization

-77%

Potential reduce by 18.1 kB

  • Original 23.5 kB
  • After minification 23.4 kB
  • After compression 5.4 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. Diendanseovietnam.edu.vn needs all CSS files to be minified and compressed as it can save up to 18.1 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (20%)

Requests Now

95

After Optimization

76

The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Diendanseovietnam. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

diendanseovietnam.edu.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.

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

diendanseovietnam.edu.vn best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

diendanseovietnam.edu.vn SEO score

91

Search Engine Optimization Advices

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

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Diendanseovietnam.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 Diendanseovietnam.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 Diendanseovietnam. 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: