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

Report Summary

  • 40

    Performance

    Renders faster than
    59% 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

  • 79

    SEO

    Google-friendlier than
    40% of websites

wellav.en.alibaba.com

Wellav Technologies Ltd. - Digital TV Headend Equipment, Encoder/Transcoder

Page Load Speed

3.7 sec in total

First Response

471 ms

Resources Loaded

2.9 sec

Page Rendered

325 ms

wellav.en.alibaba.com screenshot

About Website

Visit wellav.en.alibaba.com now to see the best up-to-date Wellav En Alibaba content for China and also check out these interesting facts you probably never knew about wellav.en.alibaba.com

Wellav Technologies Ltd., Experts in Manufacturing and Exporting Digital TV Headend Equipment, Encoder/Transcoder and 330 more Products.

Visit wellav.en.alibaba.com

Key Findings

We analyzed Wellav.en.alibaba.com page load time and found that the first response time was 471 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

wellav.en.alibaba.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

72/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value3,820 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value22.8 s

1/100

10%

Network Requests Diagram

wellav.en.alibaba.com

471 ms

wellav.en.alibaba.com

391 ms

239 ms

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

325 ms

345 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Wellav.en.alibaba.com, 30% (8 requests) were made to Assets.alicdn.com and 19% (5 requests) were made to S.alicdn.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Bdc.alibabachengdun.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 575.2 kB (30%)

Content Size

1.9 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Wellav.en.alibaba.com main page is 1.9 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. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 331.8 kB

  • Original 417.5 kB
  • After minification 416.8 kB
  • After compression 85.7 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 331.8 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 6.5 kB

  • Original 373.1 kB
  • After minification 366.6 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. Wellav En Alibaba images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 237.0 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 915.6 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 237.0 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (56%)

Requests Now

25

After Optimization

11

  • AJAX
  • Images
  • JavaScript

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wellav 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 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

wellav.en.alibaba.com

wellav.en.alibaba.com

471 ms

wellav.en.alibaba.com

wellav.en.alibaba.com

391 ms

239 ms

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

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

325 ms

345 ms

renderHeader.js

renderHeader.js

336 ms

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

546 ms

H7c5be3e4a86a48aea7546c76d54e196bg.jpg_80x80.jpg

H7c5be3e4a86a48aea7546c76d54e196bg.jpg_80x80.jpg

912 ms

H41d2be23f9054350a6f78f5a5bfb842fh.jpg

H41d2be23f9054350a6f78f5a5bfb842fh.jpg

773 ms

TB13qeCOVXXXXafaVXXXXXXXXXX-1200-280.jpg

TB13qeCOVXXXXafaVXXXXXXXXXX-1200-280.jpg

561 ms

TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

586 ms

TB1Z8vPSFXXXXXLXVXXXXXXXXXX-1519-200.png

TB1Z8vPSFXXXXXLXVXXXXXXXXXX-1519-200.png

567 ms

awsc.js

awsc.js

252 ms

22 ms

7.gif

7.gif

272 ms

index.js

index.js

30 ms

index.js

index.js

36 ms

awsc.js

awsc.js

10 ms

baxiaCommon.js

baxiaCommon.js

13 ms

wcfg.json

wcfg.json

1376 ms

rp

rp

1374 ms

et_n.js

et_n.js

19 ms

um.js

um.js

9 ms

wu.json

wu.json

656 ms

um.json

um.json

62 ms

eg.js

eg.js

4 ms

getUmid.do

getUmid.do

738 ms

Accessibility Review

wellav.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

wellav.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

wellav.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 Wellav.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 Wellav.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

wellav.en.alibaba.com

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