Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 42

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

xkjs.org

顾建伟个人博客 | 一个专注互联网的个人博客网站

Page Load Speed

8 sec in total

First Response

445 ms

Resources Loaded

7.3 sec

Page Rendered

333 ms

xkjs.org screenshot

About Website

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

顾建伟个人博客,是一个专注于互联网、搜索引擎、IT技术的个人博客,欢迎关注个人博客,作者:顾建伟,个人博客博主,互联网观察者,SEO研究者,个人博客爱好者。

Visit xkjs.org

Key Findings

We analyzed Xkjs.org page load time and found that the first response time was 445 ms and then it took 7.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

xkjs.org performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

3/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value22.8 s

0/100

10%

TBT (Total Blocking Time)

Value310 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

Network Requests Diagram

xkjs.org

445 ms

www.xkjs.org

2132 ms

style.css

477 ms

css.css

586 ms

highlight.css

594 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 95% of them (95 requests) were addressed to the original Xkjs.org, 2% (2 requests) were made to Use.fontawesome.com and 1% (1 request) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Xkjs.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 149.0 kB (59%)

Content Size

252.7 kB

After Optimization

103.6 kB

In fact, the total size of Xkjs.org main page is 252.7 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. 40% of websites need less resources to load. HTML takes 176.8 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 141.1 kB

  • Original 176.8 kB
  • After minification 172.3 kB
  • After compression 35.7 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. 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 141.1 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 6.0 kB
  • After minification 6.0 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. Xkjs images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 5.6 kB

  • Original 39.7 kB
  • After minification 39.7 kB
  • After compression 34.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 5.6 kB or 14% of the original size.

CSS Optimization

-8%

Potential reduce by 2.4 kB

  • Original 30.2 kB
  • After minification 29.9 kB
  • After compression 27.8 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. Xkjs.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 67 (74%)

Requests Now

90

After Optimization

23

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Xkjs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 42 to 1 for JavaScripts and from 20 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

xkjs.org accessibility score

74

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Form elements do not have associated labels

High

Links do not have a discernible name

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>).

High

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

Best Practices

xkjs.org best practices score

42

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

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

xkjs.org SEO score

62

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

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 Xkjs.org 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 Xkjs.org 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 Xkjs. 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: