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

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

wolon.en.alibaba.com

Company Overview - Wuhan Wolon Communication Technology Co., Ltd.

Page Load Speed

22.8 sec in total

First Response

321 ms

Resources Loaded

21.9 sec

Page Rendered

597 ms

wolon.en.alibaba.com screenshot

About Website

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

Wuhan Wolon Communication Technology Co., Ltd. Products:Fiber Optic Cable, Fiber Optic Patch Cord, Fiber Optic Plc Splitter, SFP Module, WDM

Visit wolon.en.alibaba.com

Key Findings

We analyzed Wolon.en.alibaba.com page load time and found that the first response time was 321 ms and then it took 22.5 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

wolon.en.alibaba.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

55/100

25%

SI (Speed Index)

Value48.6 s

0/100

10%

TBT (Total Blocking Time)

Value92,140 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.412

24/100

15%

TTI (Time to Interactive)

Value111.5 s

0/100

10%

Network Requests Diagram

wolon.en.alibaba.com

321 ms

wolon.en.alibaba.com

829 ms

173 ms

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

114 ms

index.js

229 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Wolon.en.alibaba.com, 36% (29 requests) were made to Sc02.alicdn.com and 24% (19 requests) were made to Img.alicdn.com. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Acjs.aliyun.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 934.2 kB (30%)

Content Size

3.1 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Wolon.en.alibaba.com main page is 3.1 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. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 367.1 kB

  • Original 453.7 kB
  • After minification 452.7 kB
  • After compression 86.5 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 367.1 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 24.1 kB

  • Original 1.2 MB
  • After minification 1.2 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. Wolon En Alibaba images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 542.9 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 885.2 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 542.9 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (32%)

Requests Now

75

After Optimization

51

  • AJAX
  • Images
  • JavaScript

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wolon 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

wolon.en.alibaba.com

wolon.en.alibaba.com

321 ms

wolon.en.alibaba.com

wolon.en.alibaba.com

829 ms

173 ms

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

114 ms

index.js

index.js

229 ms

index.js

index.js

123 ms

renderHeader.js

renderHeader.js

205 ms

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825 ms

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411 ms

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540 ms

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411 ms

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359 ms

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506 ms

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352 ms

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467 ms

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531 ms

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442 ms

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105 ms

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138 ms

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144 ms

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1422 ms

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557 ms

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567 ms

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1206 ms

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558 ms

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1289 ms

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983 ms

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995 ms

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942 ms

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1290 ms

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1419 ms

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1375 ms

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430 ms

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350 ms

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352 ms

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527 ms

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353 ms

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463 ms

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488 ms

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495 ms

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532 ms

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533 ms

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651 ms

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488 ms

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1208 ms

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1636 ms

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1723 ms

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2817 ms

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1718 ms

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583 ms

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716 ms

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697 ms

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648 ms

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646 ms

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956 ms

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754 ms

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1840 ms

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855 ms

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780 ms

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1178 ms

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963 ms

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962 ms

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1001 ms

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1044 ms

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1064 ms

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1173 ms

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1167 ms

awsc.js

awsc.js

144 ms

53 ms

7.gif

7.gif

63 ms

et_n.js

et_n.js

7 ms

um.js

um.js

90 ms

error

error

20453 ms

wu.json

wu.json

18 ms

um.json

um.json

61 ms

getUmid.do

getUmid.do

25 ms

error

error

20179 ms

error

error

20158 ms

eg.js

eg.js

3 ms

index.js

index.js

19 ms

Accessibility Review

wolon.en.alibaba.com accessibility score

66

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

wolon.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

wolon.en.alibaba.com SEO score

79

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 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 Wolon.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 Wolon.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

wolon.en.alibaba.com

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