Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

koderover.com

Zadig|开源云原生 DevOps 价值链平台:提供从需求到开发、测试、运维的一体化工程技术底座,内置云原生模式和自动化最佳实践,提升研发生产力数倍,清晰呈现研发价值;Cloud native DevOps solutions

Page Load Speed

4.1 sec in total

First Response

595 ms

Resources Loaded

3.4 sec

Page Rendered

63 ms

koderover.com screenshot

About Website

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

Zadig 云原生 DevOps 价值链平台:提供从需求到开发、测试、运维的一体化工程技术底座,内置云原生模式和自动化最佳实践,提升研发生产力数倍,清晰呈现研发价值。Zadig: an open source, cloud native DevOps platform

Visit koderover.com

Key Findings

We analyzed Koderover.com page load time and found that the first response time was 595 ms and then it took 3.5 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

koderover.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.0 s

0/100

25%

SI (Speed Index)

Value15.4 s

1/100

10%

TBT (Total Blocking Time)

Value1,490 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.5 s

24/100

10%

Network Requests Diagram

koderover.com

595 ms

koderover.com

807 ms

font_2518822_ysynpr853r.css

71 ms

animate.compat.min.css

254 ms

hm.js

1284 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 60% of them (6 requests) were addressed to the original Koderover.com, 20% (2 requests) were made to Hm.baidu.com and 10% (1 request) were made to At.alicdn.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Koderover.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (58%)

Content Size

1.9 MB

After Optimization

781.2 kB

In fact, the total size of Koderover.com main page is 1.9 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. Only 10% of websites need less resources to load. CSS take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 2.7 kB

  • Original 4.2 kB
  • After minification 4.2 kB
  • After compression 1.6 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 2.7 kB or 63% of the original size.

JavaScript Optimization

-0%

Potential reduce by 1 B

  • Original 394.1 kB
  • After minification 394.1 kB
  • After compression 394.1 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

-74%

Potential reduce by 1.1 MB

  • Original 1.5 MB
  • After minification 1.5 MB
  • After compression 385.5 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. Koderover.com needs all CSS files to be minified and compressed as it can save up to 1.1 MB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (38%)

Requests Now

8

After Optimization

5

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koderover. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

koderover.com accessibility score

50

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

koderover.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

koderover.com SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Koderover.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Koderover.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 Koderover. 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: