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

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

sztopstar.en.alibaba.com

Company Overview - Shenzhen Topstar Technology Industrial Co., Ltd.

Page Load Speed

5.7 sec in total

First Response

1.6 sec

Resources Loaded

3.8 sec

Page Rendered

352 ms

sztopstar.en.alibaba.com screenshot

About Website

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

Shenzhen Topstar Technology Industrial Co., Ltd. Products:Fiber Optical Module/Fiber Optical Switch

Visit sztopstar.en.alibaba.com

Key Findings

We analyzed Sztopstar.en.alibaba.com page load time and found that the first response time was 1.6 sec and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

sztopstar.en.alibaba.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value5,870 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.051

99/100

15%

TTI (Time to Interactive)

Value26.5 s

0/100

10%

Network Requests Diagram

sztopstar.en.alibaba.com

1624 ms

sztopstar.en.alibaba.com

294 ms

130 ms

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

69 ms

index.js

126 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Sztopstar.en.alibaba.com, 45% (13 requests) were made to S.alicdn.com and 10% (3 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 840.3 kB (45%)

Content Size

1.9 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Sztopstar.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. 25% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 486.5 kB

  • Original 583.8 kB
  • After minification 582.9 kB
  • After compression 97.2 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 486.5 kB or 83% 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. Sz Topstar En Alibaba images are well optimized though.

JavaScript Optimization

-28%

Potential reduce by 353.8 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 930.0 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 353.8 kB or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (70%)

Requests Now

27

After Optimization

8

  • AJAX
  • Images
  • JavaScript

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sz Topstar 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

sztopstar.en.alibaba.com

sztopstar.en.alibaba.com

1624 ms

sztopstar.en.alibaba.com

sztopstar.en.alibaba.com

294 ms

130 ms

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

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

69 ms

index.js

index.js

126 ms

index.js

index.js

75 ms

renderHeader.js

renderHeader.js

90 ms

H9a69df76b5a34d36951e8009a037918ee.jpg

H9a69df76b5a34d36951e8009a037918ee.jpg

693 ms

H60d46a0ef3504c308b6f943350b737e9Z.jpg

H60d46a0ef3504c308b6f943350b737e9Z.jpg

846 ms

H1a581108a8d34672a5147cc21c31459d0.jpg

H1a581108a8d34672a5147cc21c31459d0.jpg

1975 ms

awsc.js

awsc.js

246 ms

65 ms

H4d2451d32c814c588188c87636cae1adW.jpg

H4d2451d32c814c588188c87636cae1adW.jpg

680 ms

H0abb8bb5854c41d29fe9641b0ff7a3b9t.jpg

H0abb8bb5854c41d29fe9641b0ff7a3b9t.jpg

503 ms

Hbc286209a3ad497bbf5ad390535ac48fP.jpg

Hbc286209a3ad497bbf5ad390535ac48fP.jpg

937 ms

Hfc30ac130e514e20a8a4dcd84381a83eq.jpg

Hfc30ac130e514e20a8a4dcd84381a83eq.jpg

649 ms

Hc3bdf13ee4434a7d9986f6ceaebf6c92X.jpg

Hc3bdf13ee4434a7d9986f6ceaebf6c92X.jpg

1690 ms

H3ae03922ef334e42bd2eea11961137dc2.jpg

H3ae03922ef334e42bd2eea11961137dc2.jpg

1378 ms

Hd2bfc40b55cd4716ba5ee2e342b569ec9.jpg

Hd2bfc40b55cd4716ba5ee2e342b569ec9.jpg

1811 ms

H0ee2d4ca9a1442b8817ea9beee97ed12X.jpg

H0ee2d4ca9a1442b8817ea9beee97ed12X.jpg

651 ms

He724a13e3b1640689428f352f998d92ea.jpg

He724a13e3b1640689428f352f998d92ea.jpg

571 ms

7.gif

7.gif

22 ms

et_n.js

et_n.js

17 ms

um.js

um.js

13 ms

wu.json

wu.json

708 ms

eg.js

eg.js

3 ms

um.json

um.json

55 ms

getUmid.do

getUmid.do

194 ms

index.js

index.js

6 ms

Accessibility Review

sztopstar.en.alibaba.com accessibility score

43

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

sztopstar.en.alibaba.com best practices score

75

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

sztopstar.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 Sztopstar.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 Sztopstar.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

sztopstar.en.alibaba.com

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