Report Summary

  • 0

    Performance

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 0

    Best Practices

  • 75

    SEO

    Google-friendlier than
    32% of websites

Page Load Speed

43.8 sec in total

First Response

511 ms

Resources Loaded

43 sec

Page Rendered

263 ms

21310.cn screenshot

About Website

Welcome to 21310.cn homepage info - get ready to check 21310 best content right away, or after learning these important things about 21310.cn

百度一下 你就知道

Visit 21310.cn

Key Findings

We analyzed 21310.cn page load time and found that the first response time was 511 ms and then it took 43.3 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 4 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

21310.cn performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value16.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value46.8 s

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.285

42/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

Network Requests Diagram

97.dragonparking.com

511 ms

oneclick.css

1520 ms

client2.js

887 ms

track.js

2713 ms

dp.js

674 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original 21310.cn, 15% (14 requests) were made to Cpro.baidustatic.com and 15% (14 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source T10.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 412.2 kB (21%)

Content Size

1.9 MB

After Optimization

1.5 MB

In fact, the total size of 21310.cn 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. 45% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 18.1 kB

  • Original 21.7 kB
  • After minification 21.5 kB
  • After compression 3.6 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 18.1 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 5.6 kB

  • Original 1.3 MB
  • After minification 1.3 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. 21310 images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 386.7 kB

  • Original 573.5 kB
  • After minification 573.5 kB
  • After compression 186.9 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 386.7 kB or 67% of the original size.

CSS Optimization

-68%

Potential reduce by 1.8 kB

  • Original 2.6 kB
  • After minification 2.4 kB
  • After compression 845 B

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. 21310.cn needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 68% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (28%)

Requests Now

88

After Optimization

63

The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 21310. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

21310.cn accessibility score

90

Accessibility Issues

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

Document doesn't have a <title> element

SEO Factors

21310.cn SEO score

75

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Document doesn't have a <title> element

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 21310.cn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that 21310.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 21310. 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: