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zetatd.en.alibaba.com screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 40

    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

zetatd.en.alibaba.com

Shenzhen Zerui Trading Co., Ltd. - Hard disk drive, Solid State Drives

Page Load Speed

2.6 sec in total

First Response

76 ms

Resources Loaded

2.3 sec

Page Rendered

244 ms

zetatd.en.alibaba.com screenshot

About Website

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

Shenzhen Zerui Trading Co., Ltd., Experts in Manufacturing and Exporting Hard disk drive, Solid State Drives and 0 more Products.

Visit zetatd.en.alibaba.com

Key Findings

We analyzed Zetatd.en.alibaba.com page load time and found that the first response time was 76 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

zetatd.en.alibaba.com performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value14.7 s

0/100

25%

SI (Speed Index)

Value20.0 s

0/100

10%

TBT (Total Blocking Time)

Value5,810 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.564

12/100

15%

TTI (Time to Interactive)

Value28.9 s

0/100

10%

Network Requests Diagram

zetatd.en.alibaba.com

76 ms

zetatd.en.alibaba.com

404 ms

79 ms

59 ms

71 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Zetatd.en.alibaba.com, 59% (59 requests) were made to S.alicdn.com and 7% (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 4.2 MB (62%)

Content Size

6.7 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zetatd.en.alibaba.com main page is 6.7 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. 80% 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 5.4 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 572.4 kB

  • Original 684.3 kB
  • After minification 680.4 kB
  • After compression 111.9 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 572.4 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 15.3 kB

  • Original 304.8 kB
  • After minification 289.5 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. Zetatd En Alibaba images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 3.3 MB

  • Original 5.4 MB
  • After minification 5.4 MB
  • After compression 2.1 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 3.3 MB or 61% of the original size.

CSS Optimization

-72%

Potential reduce by 285.0 kB

  • Original 397.4 kB
  • After minification 346.6 kB
  • After compression 112.4 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. Zetatd.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 285.0 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (47%)

Requests Now

89

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zetatd 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 29 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zetatd.en.alibaba.com

zetatd.en.alibaba.com

76 ms

zetatd.en.alibaba.com

zetatd.en.alibaba.com

404 ms

79 ms

59 ms

71 ms

header.css

header.css

75 ms

header.js

header.js

76 ms

web-index.css

web-index.css

71 ms

web-index.css

web-index.css

76 ms

web-index.css

web-index.css

165 ms

web-index.css

web-index.css

166 ms

web-index.css

web-index.css

169 ms

273 ms

160 ms

index.js

index.js

159 ms

159 ms

awsc.js

awsc.js

271 ms

128 ms

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H9658f4a670ae4bd8b1228856a033855cT.jpg

543 ms

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TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

251 ms

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219 ms

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219 ms

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249 ms

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245 ms

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389 ms

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248 ms

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245 ms

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389 ms

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391 ms

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H4b9f745a4ef442bb8df8a270da5920ddM.jpg_250x250.jpg

389 ms

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H68d74f2d52744350b83c537feac0d4a8y.jpg_250x250.jpg

390 ms

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Hda6e8cad15034b43abacca64fbaf85892.jpg_250x250.jpg

387 ms

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537 ms

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487 ms

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Hc835ca39bb594397bac750791950e73bY.jpg_250x250.jpg

538 ms

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Hcec9a3700245484784364c49090bfd9cU.jpg_250x250.jpg

490 ms

Hea6fd1f95b014d80995e165fd4b6ee71f.jpg_250x250.jpg

Hea6fd1f95b014d80995e165fd4b6ee71f.jpg_250x250.jpg

493 ms

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H440105c0b4ed45febc73c353424d66e3g.jpg_250x250.jpg

549 ms

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H8e18edab1e384e8ca1d5f2d18d4df21eI.jpg_250x250.jpg

531 ms

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Ha260e98fa08840109c6d5e0905dafdc6g.jpg_250x250.jpg

537 ms

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Hbf90c4bc1613471daa5df9d0489012a6S.jpg_250x250.jpg

551 ms

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H884f6c84e111481faed452a8f7e9d6beH.jpg_250x250.jpg

567 ms

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Haf07890ac27a44549bd143e53d7466895.jpg_350x350.jpg

677 ms

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Hfef66bfc71694112a33b704a6d0313cdR.jpg_350x350.jpg

682 ms

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Hd137602de9cf4a2680b46f8ac0467e9dJ.jpg_350x350.jpg

828 ms

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Hd6bad492e3514b73aa73dadb5480cc85p.jpg_350x350.jpg

720 ms

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679 ms

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386 ms

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387 ms

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434 ms

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389 ms

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530 ms

personTipsInfo.do

personTipsInfo.do

328 ms

88 ms

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604 ms

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1374 ms

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1154 ms

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TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

360 ms

eg.js

eg.js

278 ms

roboto-regular.woff

roboto-regular.woff

575 ms

roboto-medium.woff

roboto-medium.woff

576 ms

roboto-light.woff

roboto-light.woff

578 ms

roboto-thin.woff

roboto-thin.woff

615 ms

roboto-bold.woff

roboto-bold.woff

579 ms

sc.globalxman.appscene

sc.globalxman.appscene

173 ms

icon-font.woff

icon-font.woff

470 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

270 ms

et_f.js

et_f.js

14 ms

um.js

um.js

153 ms

footer.css

footer.css

451 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

38 ms

index.js

index.js

29 ms

index.js

index.js

30 ms

wu.json

wu.json

62 ms

7.gif

7.gif

45 ms

baxiaCommon.js

baxiaCommon.js

26 ms

rp

rp

1216 ms

um.json

um.json

158 ms

light0.5x.png

light0.5x.png

70 ms

pages_version.html

pages_version.html

74 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

55 ms

defer-common.js

defer-common.js

203 ms

i.alicdn.com

i.alicdn.com

400 ms

index.js

index.js

62 ms

getUmid.do

getUmid.do

370 ms

index.web.css

index.web.css

122 ms

index.web.js

index.web.js

355 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

438 ms

store-proxy.html

store-proxy.html

306 ms

countryCurrencyDataService

countryCurrencyDataService

325 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

267 ms

personRoleInfo.do

personRoleInfo.do

250 ms

notification.do

notification.do

251 ms

index.js

index.js

160 ms

availableSurveyQuery.json

availableSurveyQuery.json

87 ms

iconfont.woff

iconfont.woff

10 ms

iconfont.woff

iconfont.woff

36 ms

index.js

index.js

22 ms

index.css

index.css

6 ms

data

data

5 ms

Accessibility Review

zetatd.en.alibaba.com accessibility score

40

Accessibility Issues

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.

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

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

High

Image elements do not have [alt] attributes

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

zetatd.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

zetatd.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 Zetatd.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 Zetatd.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

zetatd.en.alibaba.com

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