Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

edumart.edu.vn

Edumart - Học tiếng Anh giao tiếp online hiệu quả nhất cho người mới bắt đầu

Page Load Speed

8 sec in total

First Response

541 ms

Resources Loaded

7 sec

Page Rendered

460 ms

About Website

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

Trọn bộ các bài học tiếng Anh online tốt nhất, hiệu quả nhất giúp bạn có thể giao tiếp tiếng Anh dễ dàng, người mù tiếng Anh cũng có thể dễ dàng học và ứng dụng ngay được sau những bài dạy đầu tiên

Visit edumart.edu.vn

Key Findings

We analyzed Edumart.edu.vn page load time and found that the first response time was 541 ms and then it took 7.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

edumart.edu.vn performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.449

20/100

15%

TTI (Time to Interactive)

Value19.3 s

2/100

10%

Network Requests Diagram

edumart.edu.vn

541 ms

edumart.edu.vn

1163 ms

bootstrap.min.css

566 ms

font-awesome.min.css

791 ms

slick.css

814 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 63% of them (52 requests) were addressed to the original Edumart.edu.vn, 14% (12 requests) were made to Fonts.gstatic.com and 12% (10 requests) were made to Sach.edumart.edu.vn. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Edumart.edu.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 174.2 kB (3%)

Content Size

5.2 MB

After Optimization

5.0 MB

In fact, the total size of Edumart.edu.vn main page is 5.2 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. 65% of websites need less resources to load. Images take 5.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 33.8 kB

  • Original 41.5 kB
  • After minification 33.9 kB
  • After compression 7.7 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 7.6 kB, which is 18% 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 33.8 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 137.7 kB

  • Original 5.1 MB
  • After minification 4.9 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. Edumart images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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

-5%

Potential reduce by 2.6 kB

  • Original 51.8 kB
  • After minification 51.6 kB
  • After compression 49.2 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. Edumart.edu.vn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 33 (53%)

Requests Now

62

After Optimization

29

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Edumart. 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 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

edumart.edu.vn accessibility score

72

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

edumart.edu.vn best practices score

75

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

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

edumart.edu.vn SEO score

82

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Edumart.edu.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Edumart.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 Edumart. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: