Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    65% of websites

  • 77

    SEO

    Google-friendlier than
    45% of websites

kgc.cn

课工场官网_北大青鸟旗下大学生专属品牌 - 课工场

Page Load Speed

82.6 sec in total

First Response

1.1 sec

Resources Loaded

80.5 sec

Page Rendered

949 ms

kgc.cn screenshot

About Website

Visit kgc.cn now to see the best up-to-date Kgc content for China and also check out these interesting facts you probably never knew about kgc.cn

课工场,北大青鸟旗下大学生专属品牌,针对大学生量身定制人工智能、大数据、云计算、区块链、Java大数据开发等大学生IT培训课程,支持你实现高薪就业,支持你成为改变中国未来的IT人才。

Visit kgc.cn

Key Findings

We analyzed Kgc.cn page load time and found that the first response time was 1.1 sec and then it took 81.4 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 were 39 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

kgc.cn performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value14.8 s

1/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value1.009

2/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

kgc.cn

1134 ms

www.kgc.cn

7246 ms

common-min.css

2724 ms

themes.css

8967 ms

style.css

7824 ms

Our browser made a total of 114 requests to load all elements on the main page. We found that 39% of them (45 requests) were addressed to the original Kgc.cn, 48% (55 requests) were made to Assets.kgc.cn and 6% (7 requests) were made to Assets.bdqn.cn. The less responsive or slowest element that took the longest time to load (20.2 sec) belongs to the original domain Kgc.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 216.9 kB (15%)

Content Size

1.5 MB

After Optimization

1.2 MB

In fact, the total size of Kgc.cn main page is 1.5 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. 30% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 40.4 kB

  • Original 51.1 kB
  • After minification 42.8 kB
  • After compression 10.7 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 8.3 kB, which is 16% 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 40.4 kB or 79% of the original size.

Image Optimization

-5%

Potential reduce by 68.8 kB

  • Original 1.3 MB
  • After minification 1.2 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. Kgc images are well optimized though.

JavaScript Optimization

-78%

Potential reduce by 16.3 kB

  • Original 21.0 kB
  • After minification 14.7 kB
  • After compression 4.7 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 16.3 kB or 78% of the original size.

CSS Optimization

-81%

Potential reduce by 91.4 kB

  • Original 113.3 kB
  • After minification 103.8 kB
  • After compression 21.9 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. Kgc.cn needs all CSS files to be minified and compressed as it can save up to 91.4 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (8%)

Requests Now

73

After Optimization

67

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kgc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

kgc.cn accessibility score

55

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

kgc.cn best practices score

83

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

SEO Factors

kgc.cn SEO score

77

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kgc.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Kgc.cn 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 Kgc. 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: