Tools & Wizards About Us
seelun.en.alibaba.com screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

seelun.en.alibaba.com

Company Overview - Changsha Silun Network Technology Co., Ltd.

Page Load Speed

3.4 sec in total

First Response

600 ms

Resources Loaded

2.7 sec

Page Rendered

72 ms

seelun.en.alibaba.com screenshot

About Website

Welcome to seelun.en.alibaba.com homepage info - get ready to check Seelun En Alibaba best content for China right away, or after learning these important things about seelun.en.alibaba.com

Changsha Silun Network Technology Co., Ltd. Products:OLT,ONT,router,switch,wlan

Visit seelun.en.alibaba.com

Key Findings

We analyzed Seelun.en.alibaba.com page load time and found that the first response time was 600 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

seelun.en.alibaba.com performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

56/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value12,500 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value26.3 s

0/100

10%

Network Requests Diagram

seelun.en.alibaba.com

600 ms

seelun.en.alibaba.com

799 ms

52 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

67 ms

index.js

171 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Seelun.en.alibaba.com, 32% (12 requests) were made to Sc02.alicdn.com and 27% (10 requests) were made to S.alicdn.com. The less responsive or slowest element that took the longest time to load (868 ms) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 815.8 kB (46%)

Content Size

1.8 MB

After Optimization

962.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Seelun.en.alibaba.com main page is 1.8 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. 25% of websites need less resources to load. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 272.7 kB

  • Original 344.7 kB
  • After minification 344.0 kB
  • After compression 72.1 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. 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 272.7 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 4.8 kB
  • After minification 4.8 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. Seelun En Alibaba images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 543.1 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 885.3 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 543.1 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (60%)

Requests Now

35

After Optimization

14

  • AJAX
  • Images
  • JavaScript

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Seelun En Alibaba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

seelun.en.alibaba.com

seelun.en.alibaba.com

600 ms

seelun.en.alibaba.com

seelun.en.alibaba.com

799 ms

52 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

67 ms

index.js

index.js

171 ms

index.js

index.js

66 ms

renderHeader.js

renderHeader.js

71 ms

H454cdcf3b6db463482239c5fe984ba64l.jpg

H454cdcf3b6db463482239c5fe984ba64l.jpg

573 ms

H2cb3ac7e778942ae818452a4579b5935e.jpg

H2cb3ac7e778942ae818452a4579b5935e.jpg

683 ms

H984c8bc5417e4804896a3bbaedf5be2eO.jpg

H984c8bc5417e4804896a3bbaedf5be2eO.jpg

334 ms

awsc.js

awsc.js

76 ms

17 ms

m.i.c

m.i.c

70 ms

7.gif

7.gif

75 ms

H67ad165f3aa844e0ac7ecf776d319310f.jpg

H67ad165f3aa844e0ac7ecf776d319310f.jpg

382 ms

Hfe7b02039ed04cb19faf861aad5cde103.jpg

Hfe7b02039ed04cb19faf861aad5cde103.jpg

310 ms

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H93f0205da7d14bbe8aad95b969eaafcd4.jpg

590 ms

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H02fa8998b6264686bd91f413a44ed3085.jpg

868 ms

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Hfbdd215e68f041dca0c588ac42178b23N.jpg

836 ms

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Hfd0a8dc1352f4eb6809976e04fd8b946x.jpg

242 ms

H0d0251375d834bed9ab0d5a82cb02892g.jpg

H0d0251375d834bed9ab0d5a82cb02892g.jpg

195 ms

H276772c05bba4de7a88b644b767ba4df5.png

H276772c05bba4de7a88b644b767ba4df5.png

176 ms

H9f29d1865e37498c97662f4b318f864fN.png

H9f29d1865e37498c97662f4b318f864fN.png

261 ms

H4f1dd106e18f473e98859ec669198c089.png

H4f1dd106e18f473e98859ec669198c089.png

346 ms

H4c36380206c3475389e9dd0ef27d0eacw.png

H4c36380206c3475389e9dd0ef27d0eacw.png

353 ms

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H6d184f5bedcc4bfdb17385902eefa51fd.png

565 ms

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Hc176899b92a24409856403e68a460cbbk.png

423 ms

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H83b6d4bb797549a090408d41794718de9.png

548 ms

H45a02b0e86404de28c9feaad403ade46A.jpg

H45a02b0e86404de28c9feaad403ade46A.jpg

589 ms

H70d4e58f5550477b87ca2584fb2a6ed5r.jpg

H70d4e58f5550477b87ca2584fb2a6ed5r.jpg

843 ms

et_n.js

et_n.js

45 ms

um.js

um.js

117 ms

wu.json

wu.json

15 ms

um.json

um.json

53 ms

getUmid.do

getUmid.do

23 ms

eg.js

eg.js

2 ms

index.js

index.js

8 ms

Accessibility Review

seelun.en.alibaba.com accessibility score

69

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

Buttons do not have an accessible name

High

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

High

Image elements do not have [alt] attributes

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

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

seelun.en.alibaba.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

seelun.en.alibaba.com SEO score

86

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Seelun.en.alibaba.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Seelun.en.alibaba.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

seelun.en.alibaba.com

Open Graph data is detected on the main page of Seelun En Alibaba. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: