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sz-bitvisus.en.alibaba.com screenshot

Report Summary

  • 9

    Performance

    Renders faster than
    23% 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

sz-bitvisus.en.alibaba.com

Shenzhen Bitvisus Technology Limited

Page Load Speed

3.8 sec in total

First Response

80 ms

Resources Loaded

2.9 sec

Page Rendered

792 ms

sz-bitvisus.en.alibaba.com screenshot

About Website

Click here to check amazing Sz Bitvisus En Alibaba content for China. Otherwise, check out these important facts you probably never knew about sz-bitvisus.en.alibaba.com

Shenzhen Bitvisus Technology Limited, Experts in Manufacturing and Exporting and 0 more Products.

Visit sz-bitvisus.en.alibaba.com

Key Findings

We analyzed Sz-bitvisus.en.alibaba.com page load time and found that the first response time was 80 ms and then it took 3.7 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

sz-bitvisus.en.alibaba.com performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value17.4 s

0/100

10%

TBT (Total Blocking Time)

Value5,670 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.529

14/100

15%

TTI (Time to Interactive)

Value26.9 s

0/100

10%

Network Requests Diagram

sz-bitvisus.en.alibaba.com

80 ms

sz-bitvisus.en.alibaba.com

726 ms

68 ms

64 ms

header.css

109 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Sz-bitvisus.en.alibaba.com, 47% (40 requests) were made to S.alicdn.com and 8% (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 4.4 MB (62%)

Content Size

7.1 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sz-bitvisus.en.alibaba.com main page is 7.1 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 5.3 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 744.4 kB

  • Original 868.9 kB
  • After minification 864.9 kB
  • After compression 124.4 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 744.4 kB or 86% of the original size.

Image Optimization

-24%

Potential reduce by 137.1 kB

  • Original 575.4 kB
  • After minification 438.3 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, Sz Bitvisus En Alibaba needs image optimization as it can save up to 137.1 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 3.2 MB

  • Original 5.3 MB
  • After minification 5.3 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 3.2 MB or 61% of the original size.

CSS Optimization

-72%

Potential reduce by 284.4 kB

  • Original 396.1 kB
  • After minification 345.2 kB
  • After compression 111.7 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. Sz-bitvisus.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 284.4 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (59%)

Requests Now

75

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sz Bitvisus 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

sz-bitvisus.en.alibaba.com

sz-bitvisus.en.alibaba.com

80 ms

sz-bitvisus.en.alibaba.com

sz-bitvisus.en.alibaba.com

726 ms

68 ms

64 ms

header.css

header.css

109 ms

header.js

header.js

115 ms

217 ms

web-index.css

web-index.css

65 ms

web-index.css

web-index.css

66 ms

web-index.css

web-index.css

114 ms

web-index.css

web-index.css

115 ms

web-index.css

web-index.css

116 ms

O1CN01KD2ycd23TlAhTEpWp_!!6000000007257-0-tps-3840-90.jpg

O1CN01KD2ycd23TlAhTEpWp_!!6000000007257-0-tps-3840-90.jpg

201 ms

200 ms

107 ms

index.js

index.js

108 ms

107 ms

O1CN01kpueUS231orwYDJAV_!!6000000007196-2-tps-132-34.png

O1CN01kpueUS231orwYDJAV_!!6000000007196-2-tps-132-34.png

505 ms

Hb6095792a02542e5a2ca8ec161a60193r.png

Hb6095792a02542e5a2ca8ec161a60193r.png

628 ms

H365e184e5bfb47b78f51e891e8a2a8c4x.jpg

H365e184e5bfb47b78f51e891e8a2a8c4x.jpg

393 ms

Ha1f4d3f34ecf4a81b73021b49547e614J.jpg_q80.jpg

Ha1f4d3f34ecf4a81b73021b49547e614J.jpg_q80.jpg

243 ms

H8362152b6a904f8e8eb610f6ad6890a2V.png_350x350.png

H8362152b6a904f8e8eb610f6ad6890a2V.png_350x350.png

287 ms

H5e4a6f26b664493e93159e02e29ef9f9F.jpg_350x350.jpg

H5e4a6f26b664493e93159e02e29ef9f9F.jpg_350x350.jpg

231 ms

H52292bfae4bf4afe987cf3eb5adb835cf.jpg

H52292bfae4bf4afe987cf3eb5adb835cf.jpg

1060 ms

Hb5002730894f4bc8b0f6599dbafe10e4f.png_100x100.png

Hb5002730894f4bc8b0f6599dbafe10e4f.png_100x100.png

245 ms

H8ba2eb97c6df4fcd98bd600f247bfd3fk.jpg

H8ba2eb97c6df4fcd98bd600f247bfd3fk.jpg

569 ms

H382b5882bfd443d3b49701ba4fcb78d2h.jpg

H382b5882bfd443d3b49701ba4fcb78d2h.jpg

448 ms

Hfc209145681e497f972e8b8e66df2ad36.jpg

Hfc209145681e497f972e8b8e66df2ad36.jpg

432 ms

O1CN01gZ3lTu1XIFHZfHHGr_!!6000000002900-2-tps-36-36.png

O1CN01gZ3lTu1XIFHZfHHGr_!!6000000002900-2-tps-36-36.png

569 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

724 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

887 ms

roboto-regular.woff

roboto-regular.woff

109 ms

roboto-medium.woff

roboto-medium.woff

110 ms

roboto-light.woff

roboto-light.woff

134 ms

roboto-thin.woff

roboto-thin.woff

134 ms

roboto-bold.woff

roboto-bold.woff

228 ms

144 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

206 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

204 ms

H98841b344f76452fa08fd116fda684f1Y.png

H98841b344f76452fa08fd116fda684f1Y.png

432 ms

H4da64616ead34e9db91f936beaf52993i.png

H4da64616ead34e9db91f936beaf52993i.png

1347 ms

Hd11502b7805a4b4a86e7237e0765840eU.jpg

Hd11502b7805a4b4a86e7237e0765840eU.jpg

531 ms

H9c91afcbc1c34a43bbbd447ef979228bX.png

H9c91afcbc1c34a43bbbd447ef979228bX.png

687 ms

H5b5ac2ee122b4ecba940722d6c9700e0q.png

H5b5ac2ee122b4ecba940722d6c9700e0q.png

1418 ms

He2c6717554e14c82b2c9e4e4112ad8e7v.png

He2c6717554e14c82b2c9e4e4112ad8e7v.png

464 ms

O1CN01REbO5M1iNFNVX2yeq_!!6000000004400-2-tps-1920-200.png

O1CN01REbO5M1iNFNVX2yeq_!!6000000004400-2-tps-1920-200.png

1102 ms

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

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

1004 ms

H8fb783e1366d45a8a3b145f79aacaa17R.jpg

H8fb783e1366d45a8a3b145f79aacaa17R.jpg

847 ms

personTipsInfo.do

personTipsInfo.do

176 ms

awsc.js

awsc.js

150 ms

118 ms

icon-font.woff

icon-font.woff

291 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

113 ms

footer.css

footer.css

255 ms

eg.js

eg.js

650 ms

et_n.js

et_n.js

24 ms

um.js

um.js

110 ms

wu.json

wu.json

24 ms

light0.5x.png

light0.5x.png

53 ms

pages_version.html

pages_version.html

61 ms

defer-common.js

defer-common.js

188 ms

i.alicdn.com

i.alicdn.com

187 ms

index.js

index.js

46 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

354 ms

um.json

um.json

133 ms

index.web.css

index.web.css

52 ms

index.web.js

index.web.js

62 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

102 ms

availableSurveyQuery.json

availableSurveyQuery.json

175 ms

getUmid.do

getUmid.do

160 ms

index.js

index.js

161 ms

store-proxy.html

store-proxy.html

140 ms

countryCurrencyDataService

countryCurrencyDataService

131 ms

personRoleInfo.do

personRoleInfo.do

90 ms

notification.do

notification.do

113 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

42 ms

iconfont.woff

iconfont.woff

29 ms

iconfont.woff

iconfont.woff

30 ms

sc.globalxman.appscene

sc.globalxman.appscene

27 ms

index.js

index.js

60 ms

index.js

index.js

73 ms

7.gif

7.gif

55 ms

baxiaCommon.js

baxiaCommon.js

10 ms

rp

rp

1021 ms

index.js

index.js

24 ms

index.css

index.css

6 ms

Accessibility Review

sz-bitvisus.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

sz-bitvisus.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

sz-bitvisus.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 Sz-bitvisus.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 Sz-bitvisus.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

sz-bitvisus.en.alibaba.com

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