Tools & Wizards About Us
51cosmo.net screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 41

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

51cosmo.net

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Page Load Speed

26.1 sec in total

First Response

460 ms

Resources Loaded

21.1 sec

Page Rendered

4.5 sec

51cosmo.net screenshot

About Website

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

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Key Findings

We analyzed 51cosmo.net page load time and found that the first response time was 460 ms and then it took 25.7 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 was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

51cosmo.net performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value14.5 s

0/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.113

86/100

15%

TTI (Time to Interactive)

Value45.0 s

0/100

10%

Network Requests Diagram

www.51cosmo.net

460 ms

iconfont.css

131 ms

stui_default.css

132 ms

jquery.min.js

222 ms

stui_default.js

135 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 32% of them (22 requests) were addressed to the original 51cosmo.net, 7% (5 requests) were made to P.qlogo.cn and 4% (3 requests) were made to Kvkaa.com. The less responsive or slowest element that took the longest time to load (19.6 sec) relates to the external source Img.x918.xyz.

Page Optimization Overview & Recommendations

Page size can be reduced by 152.3 kB (63%)

Content Size

242.6 kB

After Optimization

90.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 51cosmo.net main page is 242.6 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. 50% of websites need less resources to load. HTML takes 183.3 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 140.7 kB

  • Original 183.3 kB
  • After minification 182.7 kB
  • After compression 42.6 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 140.7 kB or 77% of the original size.

Image Optimization

-25%

Potential reduce by 612 B

  • Original 2.5 kB
  • After minification 1.8 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. Obviously, 51 Cosmo needs image optimization as it can save up to 612 B or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-19%

Potential reduce by 9.5 kB

  • Original 51.0 kB
  • After minification 50.8 kB
  • After compression 41.4 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 9.5 kB or 19% of the original size.

CSS Optimization

-24%

Potential reduce by 1.4 kB

  • Original 5.8 kB
  • After minification 5.8 kB
  • After compression 4.4 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. 51cosmo.net needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (29%)

Requests Now

41

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Cosmo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.51cosmo.net

www.51cosmo.net

460 ms

iconfont.css

iconfont.css

131 ms

stui_default.css

stui_default.css

132 ms

jquery.min.js

jquery.min.js

222 ms

stui_default.js

stui_default.js

135 ms

jquery.cookie.min.js

jquery.cookie.min.js

133 ms

jquery.lazyload.min.js

jquery.lazyload.min.js

162 ms

home.js

home.js

192 ms

sousuo.js

sousuo.js

191 ms

daohang1.js

daohang1.js

197 ms

daohang2.js

daohang2.js

197 ms

daohang3.js

daohang3.js

351 ms

shang1i7d3.php

shang1i7d3.php

351 ms

sxpf.js

sxpf.js

351 ms

shipinqiangg.js

shipinqiangg.js

351 ms

tj.js

tj.js

265 ms

c8e1344f3d584efebecd98ce9573c7b8.woff

c8e1344f3d584efebecd98ce9573c7b8.woff

315 ms

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150x50.gif

238 ms

shouyeshang.html

shouyeshang.html

250 ms

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1743 ms

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2173 ms

load.gif

load.gif

559 ms

play.png

play.png

474 ms

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1426 ms

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2009 ms

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1742 ms

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1904 ms

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1946 ms

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1743 ms

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1538 ms

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1900 ms

0

0

2673 ms

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1621 ms

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1559 ms

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1469 ms

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1560 ms

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9306 ms

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1994 ms

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1521 ms

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2620 ms

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19641 ms

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1549 ms

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1615 ms

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1563 ms

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1494 ms

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1558 ms

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2074 ms

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1586 ms

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1594 ms

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3581 ms

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3461 ms

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1560 ms

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1532 ms

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3551 ms

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4998 ms

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4761 ms

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4723 ms

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1549 ms

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1548 ms

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1538 ms

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3649 ms

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1475 ms

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1476 ms

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1531 ms

hm.js

hm.js

2101 ms

iconfont-15417656157251.ttf

iconfont-15417656157251.ttf

431 ms

hm.gif

hm.gif

329 ms

Accessibility Review

51cosmo.net accessibility score

41

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

[lang] attributes do not have a valid value

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>).

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

51cosmo.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

51cosmo.net SEO score

82

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 51cosmo.net can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that 51cosmo.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

51cosmo.net

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