Tools & Wizards About Us
51sucai.net screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

51sucai.net

备案

Page Load Speed

6.9 sec in total

First Response

613 ms

Resources Loaded

6 sec

Page Rendered

289 ms

51sucai.net screenshot

About Website

Click here to check amazing 51 Sucai content. Otherwise, check out these important facts you probably never knew about 51sucai.net

腾讯云域名注册, 腾讯云旗下品牌。腾讯云域名注册是中国领先的域名注册服务提供商, 并提供云主机、网站建设等网络服务。

Visit 51sucai.net

Key Findings

We analyzed 51sucai.net page load time and found that the first response time was 613 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

51sucai.net performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

39/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.191

64/100

15%

TTI (Time to Interactive)

Value4.8 s

78/100

10%

Network Requests Diagram

51sucai.net

613 ms

www.51sucai.net

816 ms

init_g.js

670 ms

global_latest.css

672 ms

index_latest.css

653 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 3% of them (3 requests) were addressed to the original 51sucai.net, 40% (35 requests) were made to I-1.51sucai.net and 40% (35 requests) were made to I-1-51sucai.54pictu.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source I-1-51sucai.54pictu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 299.5 kB (13%)

Content Size

2.3 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 51sucai.net main page is 2.3 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. 60% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 33.2 kB

  • Original 39.2 kB
  • After minification 35.1 kB
  • After compression 5.9 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 33.2 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 86.1 kB

  • Original 2.0 MB
  • After minification 1.9 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. 51 Sucai images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 152.5 kB

  • Original 217.0 kB
  • After minification 214.6 kB
  • After compression 64.4 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 152.5 kB or 70% of the original size.

CSS Optimization

-81%

Potential reduce by 27.6 kB

  • Original 34.2 kB
  • After minification 33.2 kB
  • After compression 6.6 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. 51sucai.net needs all CSS files to be minified and compressed as it can save up to 27.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (12%)

Requests Now

49

After Optimization

43

  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Sucai. 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.

Network Requests Diagram

51sucai.net

51sucai.net

613 ms

www.51sucai.net

www.51sucai.net

816 ms

init_g.js

init_g.js

670 ms

global_latest.css

global_latest.css

672 ms

index_latest.css

index_latest.css

653 ms

jq.min.js

jq.min.js

420 ms

global_latest.js

global_latest.js

437 ms

index_latest.js

index_latest.js

470 ms

hm.js

hm.js

1218 ms

swiper.min.css

swiper.min.css

411 ms

jquery.min.js

jquery.min.js

616 ms

swiper.min.js

swiper.min.js

822 ms

saf7abd4934741487f80740846eb9757f0.js

saf7abd4934741487f80740846eb9757f0.js

636 ms

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634 ms

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639 ms

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650 ms

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832 ms

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835 ms

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840 ms

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841 ms

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848 ms

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864 ms

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1034 ms

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1039 ms

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1046 ms

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1079 ms

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1238 ms

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1243 ms

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1251 ms

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1252 ms

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1264 ms

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1292 ms

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1440 ms

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1446 ms

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1457 ms

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1458 ms

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1472 ms

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1505 ms

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1642 ms

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1650 ms

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1662 ms

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1663 ms

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1681 ms

logo.png

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207 ms

init.png

init.png

206 ms

bg.png

bg.png

634 ms

hm.gif

hm.gif

312 ms

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1106 ms

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1347 ms

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901 ms

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887 ms

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888 ms

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1019 ms

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929 ms

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937 ms

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1762 ms

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1321 ms

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1118 ms

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1682 ms

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976 ms

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1167 ms

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1159 ms

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1219 ms

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1590 ms

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1362 ms

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1192 ms

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1264 ms

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1618 ms

Accessibility Review

51sucai.net accessibility score

77

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

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

51sucai.net best practices score

75

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

51sucai.net SEO score

93

Search Engine Optimization Advices

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 51sucai.net 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 51sucai.net 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

51sucai.net

Open Graph description is not detected on the main page of 51 Sucai. 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: