Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

ke.qq.com

腾讯课堂_专业的在线教育平台

Page Load Speed

49.2 sec in total

First Response

930 ms

Resources Loaded

46.6 sec

Page Rendered

1.6 sec

ke.qq.com screenshot

About Website

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

腾讯课堂-腾讯推出的专业在线教育平台,聚合大量优质教育机构和名师,下设职业培训、公务员考试、托福雅思、考证考级、英语口语、中小学教育等众多在线学习精品课程,打造老师在线上课教学、学生及时互动学习的课堂。腾讯课堂,学习成就梦想!

Visit ke.qq.com

Key Findings

We analyzed Ke.qq.com page load time and found that the first response time was 930 ms and then it took 48.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

ke.qq.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value19.8 s

0/100

25%

SI (Speed Index)

Value18.3 s

0/100

10%

TBT (Total Blocking Time)

Value7,180 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value24.2 s

0/100

10%

Network Requests Diagram

ke.qq.com

930 ms

ke.qq.com

1555 ms

common.0cc4b43.css

2756 ms

index.aab297f.css

2510 ms

blank

132 ms

Our browser made a total of 98 requests to load all elements on the main page. We found that 10% of them (10 requests) were addressed to the original Ke.qq.com, 40% (39 requests) were made to P.qpic.cn and 15% (15 requests) were made to 10.url.cn. The less responsive or slowest element that took the longest time to load (19.8 sec) relates to the external source 9.url.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 604.7 kB (42%)

Content Size

1.4 MB

After Optimization

829.5 kB

In fact, the total size of Ke.qq.com main page is 1.4 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. 45% of websites need less resources to load. Images take 684.6 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 300.3 kB

  • Original 338.3 kB
  • After minification 289.7 kB
  • After compression 38.0 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 48.6 kB, which is 14% 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 300.3 kB or 89% of the original size.

Image Optimization

-2%

Potential reduce by 15.1 kB

  • Original 684.6 kB
  • After minification 669.5 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. Ke Qq images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 195.5 kB

  • Original 294.2 kB
  • After minification 288.5 kB
  • After compression 98.7 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 195.5 kB or 66% of the original size.

CSS Optimization

-80%

Potential reduce by 93.9 kB

  • Original 117.2 kB
  • After minification 117.1 kB
  • After compression 23.3 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. Ke.qq.com needs all CSS files to be minified and compressed as it can save up to 93.9 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (5%)

Requests Now

92

After Optimization

87

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ke Qq. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

ke.qq.com accessibility score

76

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.

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

ke.qq.com best practices score

92

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

Missing source maps for large first-party JavaScript

SEO Factors

ke.qq.com SEO score

92

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

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 Ke.qq.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 Ke.qq.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 Ke Qq. 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: