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

Report Summary

  • 36

    Performance

    Renders faster than
    55% 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

  • 71

    SEO

    Google-friendlier than
    30% of websites

wiitek.en.alibaba.com

Shenzhen Wiitek Technology Co., Ltd. - SFP+ QSFP+ QSFP28 DAC/AOC, Optical Transceivers

Page Load Speed

5.9 sec in total

First Response

655 ms

Resources Loaded

4.7 sec

Page Rendered

496 ms

wiitek.en.alibaba.com screenshot

About Website

Click here to check amazing Wiitek En Alibaba content for China. Otherwise, check out these important facts you probably never knew about wiitek.en.alibaba.com

Shenzhen Wiitek Technology Co., Ltd., Experts in Manufacturing and Exporting SFP+ QSFP+ QSFP28 DAC/AOC, Optical Transceivers and 0 more Products.

Visit wiitek.en.alibaba.com

Key Findings

We analyzed Wiitek.en.alibaba.com page load time and found that the first response time was 655 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

wiitek.en.alibaba.com performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value15.2 s

1/100

10%

TBT (Total Blocking Time)

Value5,540 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value26.8 s

0/100

10%

Network Requests Diagram

wiitek.en.alibaba.com

655 ms

wiitek.en.alibaba.com

808 ms

129 ms

165 ms

header.css

159 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Wiitek.en.alibaba.com, 42% (40 requests) were made to S.alicdn.com and 19% (18 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (3.3 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.3 MB (59%)

Content Size

4.0 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wiitek.en.alibaba.com main page is 4.0 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. 70% of websites need less resources to load. Javascripts take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 735.8 kB

  • Original 862.7 kB
  • After minification 858.8 kB
  • After compression 126.9 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 735.8 kB or 85% of the original size.

Image Optimization

-44%

Potential reduce by 177.2 kB

  • Original 402.1 kB
  • After minification 224.9 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. Obviously, Wiitek En Alibaba needs image optimization as it can save up to 177.2 kB or 44% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-49%

Potential reduce by 1.2 MB

  • Original 2.5 MB
  • After minification 2.5 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 49% of the original size.

CSS Optimization

-84%

Potential reduce by 202.3 kB

  • Original 239.7 kB
  • After minification 188.9 kB
  • After compression 37.4 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. Wiitek.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 202.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (56%)

Requests Now

85

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wiitek 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

wiitek.en.alibaba.com

wiitek.en.alibaba.com

655 ms

wiitek.en.alibaba.com

wiitek.en.alibaba.com

808 ms

129 ms

165 ms

header.css

header.css

159 ms

header.js

header.js

196 ms

37 ms

web-index.css

web-index.css

158 ms

web-index.css

web-index.css

159 ms

web-index.css

web-index.css

195 ms

web-index.css

web-index.css

159 ms

web-index.css

web-index.css

242 ms

226 ms

182 ms

index.js

index.js

181 ms

225 ms

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Hd9204b504cb64a1bbdbd95721afcb697n.jpg

716 ms

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H8a14552dc790443fbae8b0c85665d500o.jpg

573 ms

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TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

142 ms

H12189f5a481746fab3ad53804ad39e36B.jpg_q80.jpg

H12189f5a481746fab3ad53804ad39e36B.jpg_q80.jpg

631 ms

Hc5b0ba5b2f6840f9bf29eab5221fdd0eD.png_480x480.png

Hc5b0ba5b2f6840f9bf29eab5221fdd0eD.png_480x480.png

501 ms

A291d1733009d47b3bb32d48e2716c931Y.jpg_480x480.jpg

A291d1733009d47b3bb32d48e2716c931Y.jpg_480x480.jpg

668 ms

H2aa0316ce03144c3b4e15ac3e1817b6bs.jpg_480x480.jpg

H2aa0316ce03144c3b4e15ac3e1817b6bs.jpg_480x480.jpg

378 ms

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Hf3fe275ca66e4b07a0e5299bc1873f7ff.jpg_480x480.jpg

618 ms

A1d80c7d7b3f949f580b214c6121f7c8eu.jpg_480x480.jpg

A1d80c7d7b3f949f580b214c6121f7c8eu.jpg_480x480.jpg

718 ms

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TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

142 ms

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582 ms

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1986 ms

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H4f43b24039a44a5bba1f9a0d7b326c371.jpg

666 ms

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He836641eda934b4986c03ba91a5d59f7s.jpg

623 ms

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H7956411e66194faaa0616c418e2812f6G.jpg

636 ms

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Hbef9278d6f2a483492e1179df583d3f2M.jpg

1143 ms

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Ha7651b8c51354efe86dfe13415fc986dw.jpg

794 ms

H7e2c6ad768664e2a9b895030517be5243.jpg

H7e2c6ad768664e2a9b895030517be5243.jpg

887 ms

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H2903ef2e5fc94d16a020684142524ff2L.jpg

837 ms

H89467fe395f04f578b1ab4dea4e09773N.jpg

H89467fe395f04f578b1ab4dea4e09773N.jpg

921 ms

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H497bde8379cd4dec9a6cc91c136db0b4s.jpg

998 ms

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Hc36dd0d099a646d2b4b7224109a66c63X.jpg

1000 ms

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H5d6b46309df94f17be7e7258f56272bbt.jpg

1027 ms

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H49310beb3c1f42d485d7b32ddb08adfbI.jpg

1121 ms

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H601fc57c27e3401ba3b38be42b49c2dcC.jpg

1132 ms

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H07dca51961574feba40a3561f9cf8956n.jpg

1315 ms

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H784a2a94280a4fa5849e96515dd246a2T.jpg

1259 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

405 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

424 ms

awsc.js

awsc.js

181 ms

81 ms

personTipsInfo.do

personTipsInfo.do

197 ms

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H42a02fdff5ca458b94d564cbe8058e4eY.jpg

1675 ms

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A98d8555e2f6d40aaa13f88a74ce8b00dO.jpg

3265 ms

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H71322b7a0c544ca3a2a44fac68d05c1fX.jpg

700 ms

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H355ccf57132a44cabcd2c17535b48f012.jpg

598 ms

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961 ms

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3116 ms

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O1CN01eP7P8d1y1kdsWFgqQ_!!6000000006519-2-tps-1920-200.png

98 ms

O1CN01lsY1P61yvAejjEVHt_!!6000000006640-2-tps-584-560.png

O1CN01lsY1P61yvAejjEVHt_!!6000000006640-2-tps-584-560.png

103 ms

eg.js

eg.js

231 ms

roboto-regular.woff

roboto-regular.woff

619 ms

roboto-medium.woff

roboto-medium.woff

697 ms

roboto-light.woff

roboto-light.woff

715 ms

roboto-thin.woff

roboto-thin.woff

733 ms

roboto-bold.woff

roboto-bold.woff

847 ms

16 ms

icon-font.woff

icon-font.woff

682 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

228 ms

et_n.js

et_n.js

65 ms

um.js

um.js

159 ms

sc.globalxman.appscene

sc.globalxman.appscene

133 ms

footer.css

footer.css

624 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

39 ms

index.js

index.js

33 ms

index.js

index.js

49 ms

wu.json

wu.json

495 ms

7.gif

7.gif

17 ms

baxiaCommon.js

baxiaCommon.js

11 ms

rp

rp

1224 ms

light0.5x.png

light0.5x.png

60 ms

um.json

um.json

64 ms

pages_version.html

pages_version.html

108 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

18 ms

defer-common.js

defer-common.js

441 ms

i.alicdn.com

i.alicdn.com

632 ms

index.js

index.js

34 ms

getUmid.do

getUmid.do

197 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

156 ms

index.web.css

index.web.css

8 ms

index.web.js

index.web.js

37 ms

availableSurveyQuery.json

availableSurveyQuery.json

437 ms

store-proxy.html

store-proxy.html

173 ms

countryCurrencyDataService

countryCurrencyDataService

361 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

124 ms

personRoleInfo.do

personRoleInfo.do

109 ms

notification.do

notification.do

172 ms

index.js

index.js

18 ms

iconfont.woff

iconfont.woff

11 ms

iconfont.woff

iconfont.woff

21 ms

Accessibility Review

wiitek.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.

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

wiitek.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

wiitek.en.alibaba.com SEO score

71

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

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 Wiitek.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 Wiitek.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

wiitek.en.alibaba.com

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