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39edu.com screenshot

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

39edu.com

丹东成人高考_丹东成教报名_丹东函授报名中心

Page Load Speed

6.1 sec in total

First Response

2.8 sec

Resources Loaded

3.2 sec

Page Rendered

154 ms

39edu.com screenshot

About Website

Click here to check amazing 39 Edu content. Otherwise, check out these important facts you probably never knew about 39edu.com

丹东成人高考(函授)报名中心,教育合作项目:丹东成人高考,丹东成人高考报名,丹东网络教育,丹东函授站,报名电话（微信）:13252885253 姚老师

Visit 39edu.com

Key Findings

We analyzed 39edu.com page load time and found that the first response time was 2.8 sec and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

39edu.com performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

59/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.381

27/100

15%

TTI (Time to Interactive)

Value3.9 s

89/100

10%

Network Requests Diagram

39edu.com

2770 ms

system.css

68 ms

jquery-1.11.3.min.js

245 ms

templet-link.png

68 ms

body-bg-4.jpg

131 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that all of those requests were addressed to 39edu.com and no external sources were called. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain 39edu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 22.9 kB (27%)

Content Size

86.4 kB

After Optimization

63.5 kB

  • HTML
  • Images
  • CSS

In fact, the total size of 39edu.com main page is 86.4 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. 15% of websites need less resources to load. Images take 67.0 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 3.0 kB

  • Original 4.2 kB
  • After minification 3.2 kB
  • After compression 1.3 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 1.0 kB, which is 24% 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 3.0 kB or 70% of the original size.

Image Optimization

-11%

Potential reduce by 7.2 kB

  • Original 67.0 kB
  • After minification 59.8 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. Obviously, 39 Edu needs image optimization as it can save up to 7.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-84%

Potential reduce by 12.7 kB

  • Original 15.1 kB
  • After minification 8.2 kB
  • After compression 2.4 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. 39edu.com needs all CSS files to be minified and compressed as it can save up to 12.7 kB or 84% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 39 Edu. According to our analytics all requests are already optimized.

Network Requests Diagram

39edu.com

39edu.com

2770 ms

system.css

system.css

68 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

245 ms

templet-link.png

templet-link.png

68 ms

body-bg-4.jpg

body-bg-4.jpg

131 ms

contact-qq.png

contact-qq.png

139 ms

89f48a3f16b62aeddd2fe865761fd8cc_email.png

89f48a3f16b62aeddd2fe865761fd8cc_email.png

137 ms

common-avatar.png

common-avatar.png

132 ms

search-icon-dark-gray.png

search-icon-dark-gray.png

133 ms

Accessibility Review

39edu.com accessibility score

63

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

39edu.com 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

39edu.com SEO score

99

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 39edu.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that 39edu.com 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

39edu.com

Open Graph description is not detected on the main page of 39 Edu. 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: