Tools & Wizards About Us

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

kesion.com

KESION 科汛-在线网校系统_在线培训考试系统_在线教育系统_知识付费系统_培训考核系统及开源建站CMS系统

Page Load Speed

7.2 sec in total

First Response

529 ms

Resources Loaded

5.9 sec

Page Rendered

784 ms

About Website

Welcome to kesion.com homepage info - get ready to check KESION best content for China right away, or after learning these important things about kesion.com

KESION 科汛软件专注于为商家搭建独立部署网校、培训考试系统、在线教育系统、社交电商SaaS、知识付费SaaS、在线网校SaaS、企微营销助手和开源建站CMS等服务，让商业经营更简单。

Visit kesion.com

Key Findings

We analyzed Kesion.com page load time and found that the first response time was 529 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

kesion.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value22.7 s

0/100

10%

TBT (Total Blocking Time)

Value690 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0.26

47/100

15%

TTI (Time to Interactive)

Value20.5 s

2/100

10%

Network Requests Diagram

kesion.com

529 ms

www.kesion.com

1615 ms

common.css

689 ms

animate.min.4.0.css

860 ms

swiper-3.4.2.min.css

868 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 79% of them (77 requests) were addressed to the original Kesion.com, 16% (16 requests) were made to Oss.kesion.com and 2% (2 requests) were made to At.alicdn.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Oss.kesion.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 611.0 kB (17%)

Content Size

3.7 MB

After Optimization

3.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kesion.com main page is 3.7 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. 60% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 202.1 kB

  • Original 233.6 kB
  • After minification 152.7 kB
  • After compression 31.5 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 81.0 kB, which is 35% 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 202.1 kB or 87% of the original size.

Image Optimization

-11%

Potential reduce by 331.0 kB

  • Original 3.1 MB
  • After minification 2.8 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. Obviously, KESION needs image optimization as it can save up to 331.0 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-26%

Potential reduce by 61.4 kB

  • Original 235.4 kB
  • After minification 235.4 kB
  • After compression 174.0 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 61.4 kB or 26% of the original size.

CSS Optimization

-22%

Potential reduce by 16.5 kB

  • Original 74.5 kB
  • After minification 74.5 kB
  • After compression 58.1 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. Kesion.com needs all CSS files to be minified and compressed as it can save up to 16.5 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (36%)

Requests Now

94

After Optimization

60

  • Images
  • JavaScript
  • CSS

The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KESION. 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 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

kesion.com accessibility score

45

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

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

kesion.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

kesion.com 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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kesion.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Kesion.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

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