Tools & Wizards About Us
51welink.com screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

51welink.com

微网通联|新媒体和智慧车场运营商

Page Load Speed

25 sec in total

First Response

664 ms

Resources Loaded

24 sec

Page Rendered

312 ms

51welink.com screenshot

About Website

Welcome to 51welink.com homepage info - get ready to check 51 Welink best content for China right away, or after learning these important things about 51welink.com

北京微网通联股份有限公司是行业领先的云通信平台及解决方案服务商之一，以云通信平台为根基，打造云通信与移动营销并轨的业务模式。云通信业务构建了以UMC云平台、GMP聚合消息服务平台和物联网服务三位一体的企业服务生态。

Visit 51welink.com

Key Findings

We analyzed 51welink.com page load time and found that the first response time was 664 ms and then it took 24.3 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 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

51welink.com performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value29.8 s

0/100

25%

SI (Speed Index)

Value35.3 s

0/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.1 s

6/100

10%

Network Requests Diagram

51welink.com

664 ms

www.51welink.com

2066 ms

bootstrap.min.css

450 ms

swiper.css

664 ms

animate.css

859 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that all of those requests were addressed to 51welink.com and no external sources were called. The less responsive or slowest element that took the longest time to load (19.8 sec) belongs to the original domain 51welink.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 172.8 kB (8%)

Content Size

2.2 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 51welink.com main page is 2.2 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 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 33.8 kB

  • Original 41.0 kB
  • After minification 27.3 kB
  • After compression 7.1 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. This page needs HTML code to be minified as it can gain 13.7 kB, which is 33% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 33.8 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 93.5 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 Welink images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 24.3 kB

  • Original 100.0 kB
  • After minification 100.0 kB
  • After compression 75.7 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 24.3 kB or 24% of the original size.

CSS Optimization

-36%

Potential reduce by 21.2 kB

  • Original 59.3 kB
  • After minification 59.2 kB
  • After compression 38.1 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. 51welink.com needs all CSS files to be minified and compressed as it can save up to 21.2 kB or 36% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (22%)

Requests Now

60

After Optimization

47

  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Welink. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

51welink.com

51welink.com

664 ms

www.51welink.com

www.51welink.com

2066 ms

bootstrap.min.css

bootstrap.min.css

450 ms

swiper.css

swiper.css

664 ms

animate.css

animate.css

859 ms

fsgallery.css

fsgallery.css

856 ms

welink_style.css

welink_style.css

1081 ms

index.css

index.css

869 ms

index_05.png

index_05.png

873 ms

modernizr-2.6.2.min.js

modernizr-2.6.2.min.js

877 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

1479 ms

bootstrap.min.js

bootstrap.min.js

1065 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

1074 ms

jquery.waypoints.min.js

jquery.waypoints.min.js

1177 ms

jquery.stellar.min.js

jquery.stellar.min.js

1177 ms

superfish.js

superfish.js

1273 ms

main.js

main.js

1283 ms

swiper-3.3.1.jquery.min.js

swiper-3.3.1.jquery.min.js

1496 ms

c-xx-2.png

c-xx-2.png

1294 ms

c-logo-2.jpg

c-logo-2.jpg

1304 ms

c-logo-1.jpg

c-logo-1.jpg

1494 ms

8115413947.jpg

8115413947.jpg

1494 ms

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9152553105.png

1508 ms

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9121943663.jpg

1531 ms

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912183857.jpg

2308 ms

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9121740251.jpg

1689 ms

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912177777.jpg

1699 ms

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9121639197.jpg

1703 ms

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9121449859.jpg

1717 ms

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9121228395.jpg

1729 ms

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26115412472.png

1897 ms

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2610342578.png

1907 ms

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2695755219.png

1911 ms

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9121916796.jpg

1929 ms

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9121811248.jpg

1942 ms

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201132584.png

2105 ms

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9121550907.jpg

2115 ms

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9121522208.jpg

2119 ms

WechatIMG131.jpeg

WechatIMG131.jpeg

19846 ms

car-ele.png

car-ele.png

5419 ms

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2211139546.png

1467 ms

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2211336750.png

1473 ms

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1468 ms

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1650 ms

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1648 ms

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1471 ms

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1467 ms

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1552 ms

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1557 ms

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1567 ms

%E5%A4%87%E6%A1%88%E5%9B%BE%E6%A0%87.png

%E5%A4%87%E6%A1%88%E5%9B%BE%E6%A0%87.png

1474 ms

index_100.png

index_100.png

1654 ms

index_102.png

index_102.png

1647 ms

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1649 ms

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19802 ms

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fc7928f373189482.png

19800 ms

banner02.jpg

banner02.jpg

4228 ms

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2020333333.png

1653 ms

2020222222.png

2020222222.png

1840 ms

1-1.png

1-1.png

2049 ms

1-2.png

1-2.png

3072 ms

index-wh.jpg

index-wh.jpg

4930 ms

1-1.jpg

1-1.jpg

4437 ms

li-ioc.png

li-ioc.png

4573 ms

youb.png

youb.png

4620 ms

Accessibility Review

51welink.com accessibility score

81

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.

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

51welink.com best practices score

83

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

Page has valid source maps

SEO Factors

51welink.com SEO score

92

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

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

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 51welink.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 51welink.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

51welink.com

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