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szzq.en.alibaba.com screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

szzq.en.alibaba.com

Shenzhen Zhangqing Electronic Ltd. - POE injector,POE tester

Page Load Speed

2.7 sec in total

First Response

236 ms

Resources Loaded

2.2 sec

Page Rendered

303 ms

szzq.en.alibaba.com screenshot

About Website

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

Shenzhen Zhangqing Electronic Ltd., Experts in Manufacturing and Exporting POE injector,POE tester and 0 more Products. A Verified CN Gold Supplier on Alibaba.com.

Visit szzq.en.alibaba.com

Key Findings

We analyzed Szzq.en.alibaba.com page load time and found that the first response time was 236 ms and then it took 2.5 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

szzq.en.alibaba.com performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

87/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value9,050 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.477

18/100

15%

TTI (Time to Interactive)

Value28.0 s

0/100

10%

Network Requests Diagram

szzq.en.alibaba.com

236 ms

szzq.en.alibaba.com

593 ms

70 ms

65 ms

header.css

105 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Szzq.en.alibaba.com, 47% (35 requests) were made to S.alicdn.com and 9% (7 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.9 MB (51%)

Content Size

3.7 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Szzq.en.alibaba.com main page is 3.7 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 409.8 kB

  • Original 507.6 kB
  • After minification 503.7 kB
  • After compression 97.8 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 409.8 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 15.3 kB

  • Original 453.9 kB
  • After minification 438.6 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. Szzq En Alibaba images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 1.2 MB

  • Original 2.4 MB
  • After minification 2.4 MB
  • After compression 1.3 MB

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 1.2 MB or 48% of the original size.

CSS Optimization

-88%

Potential reduce by 304.3 kB

  • Original 344.3 kB
  • After minification 293.4 kB
  • After compression 40.0 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. Szzq.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 304.3 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (68%)

Requests Now

63

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Szzq 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 28 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

szzq.en.alibaba.com

szzq.en.alibaba.com

236 ms

szzq.en.alibaba.com

szzq.en.alibaba.com

593 ms

70 ms

65 ms

header.css

header.css

105 ms

header.js

header.js

112 ms

57 ms

web-index.css

web-index.css

66 ms

web-index.css

web-index.css

113 ms

web-index.css

web-index.css

111 ms

web-index.css

web-index.css

149 ms

web-index.css

web-index.css

111 ms

212 ms

111 ms

index.js

index.js

110 ms

144 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

368 ms

TB1xVPje3MPMeJjy1XdXXasrXXa-1200-350.jpg_q80.jpg

TB1xVPje3MPMeJjy1XdXXasrXXa-1200-350.jpg_q80.jpg

55 ms

HTB1WSjUSFXXXXbbXVXXq6xXFXXXw.jpg_480x480.jpg

HTB1WSjUSFXXXXbbXVXXq6xXFXXXw.jpg_480x480.jpg

751 ms

HTB1YGmQKFXXXXaFXVXXq6xXFXXXC.jpg_350x350.jpg

HTB1YGmQKFXXXXaFXVXXq6xXFXXXC.jpg_350x350.jpg

827 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

532 ms

awsc.js

awsc.js

124 ms

71 ms

personTipsInfo.do

personTipsInfo.do

181 ms

HTB1G9YkSpXXXXb.aFXXq6xXFXXXo.jpg

HTB1G9YkSpXXXXb.aFXXq6xXFXXXo.jpg

947 ms

55 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

51 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

50 ms

Hc799b7b3ba4343a7afc3e5f3ab7525d2V.png

Hc799b7b3ba4343a7afc3e5f3ab7525d2V.png

966 ms

H332d6edc951b44e9a14f7c7aa22cc501K.png

H332d6edc951b44e9a14f7c7aa22cc501K.png

984 ms

H27c67e4a9ee74aa0b5271b69b567cb7dD.jpg

H27c67e4a9ee74aa0b5271b69b567cb7dD.jpg

306 ms

Hb63222b38b9142c0ba39cfd593d1ed553.jpg

Hb63222b38b9142c0ba39cfd593d1ed553.jpg

1377 ms

TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

817 ms

TB1Z8vPSFXXXXXLXVXXXXXXXXXX-1519-200.png

TB1Z8vPSFXXXXXLXVXXXXXXXXXX-1519-200.png

519 ms

TB139qIiv2H8KJjy0FcXXaDlFXa-1000-600.jpg

TB139qIiv2H8KJjy0FcXXaDlFXa-1000-600.jpg

832 ms

eg.js

eg.js

195 ms

roboto-regular.woff

roboto-regular.woff

286 ms

roboto-medium.woff

roboto-medium.woff

314 ms

roboto-light.woff

roboto-light.woff

326 ms

roboto-thin.woff

roboto-thin.woff

336 ms

roboto-bold.woff

roboto-bold.woff

344 ms

et_n.js

et_n.js

98 ms

um.js

um.js

162 ms

sc.globalxman.appscene

sc.globalxman.appscene

72 ms

icon-font.woff

icon-font.woff

240 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

128 ms

footer.css

footer.css

242 ms

wu.json

wu.json

563 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

11 ms

index.js

index.js

22 ms

index.js

index.js

27 ms

7.gif

7.gif

17 ms

baxiaCommon.js

baxiaCommon.js

17 ms

rp

rp

953 ms

light0.5x.png

light0.5x.png

39 ms

pages_version.html

pages_version.html

89 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

16 ms

defer-common.js

defer-common.js

96 ms

i.alicdn.com

i.alicdn.com

226 ms

index.js

index.js

31 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

169 ms

index.web.css

index.web.css

135 ms

index.web.js

index.web.js

143 ms

store-proxy.html

store-proxy.html

175 ms

countryCurrencyDataService

countryCurrencyDataService

169 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

82 ms

personRoleInfo.do

personRoleInfo.do

148 ms

notification.do

notification.do

163 ms

index.js

index.js

107 ms

availableSurveyQuery.json

availableSurveyQuery.json

71 ms

iconfont.woff

iconfont.woff

9 ms

iconfont.woff

iconfont.woff

18 ms

um.json

um.json

55 ms

getUmid.do

getUmid.do

9 ms

Accessibility Review

szzq.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

szzq.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

Displays images with incorrect aspect ratio

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

szzq.en.alibaba.com SEO score

79

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

High

Document doesn't have a valid hreflang

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 Szzq.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 Szzq.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

szzq.en.alibaba.com

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