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

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 41

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

szvivid.en.alibaba.com

Shenzhen Vivid Technology Co., Ltd. - USB HUB, USB Cable

Page Load Speed

8.6 sec in total

First Response

81 ms

Resources Loaded

8 sec

Page Rendered

477 ms

szvivid.en.alibaba.com screenshot

About Website

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

Shenzhen Vivid Technology Co., Ltd., Experts in Manufacturing and Exporting USB HUB, USB Cable and 0 more Products.

Visit szvivid.en.alibaba.com

Key Findings

We analyzed Szvivid.en.alibaba.com page load time and found that the first response time was 81 ms and then it took 8.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

szvivid.en.alibaba.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value5,830 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.64

9/100

15%

TTI (Time to Interactive)

Value26.5 s

0/100

10%

Network Requests Diagram

szvivid.en.alibaba.com

81 ms

szvivid.en.alibaba.com

853 ms

111 ms

75 ms

header.css

97 ms

Our browser made a total of 98 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Szvivid.en.alibaba.com, 64% (63 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 (7 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 MB (55%)

Content Size

3.2 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Szvivid.en.alibaba.com main page is 3.2 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. 65% of websites need less resources to load. Javascripts take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 574.3 kB

  • Original 689.8 kB
  • After minification 685.9 kB
  • After compression 115.5 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 574.3 kB or 83% of the original size.

Image Optimization

-16%

Potential reduce by 8.9 kB

  • Original 57.1 kB
  • After minification 48.2 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 Vivid En Alibaba needs image optimization as it can save up to 8.9 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-42%

Potential reduce by 909.9 kB

  • Original 2.2 MB
  • After minification 2.2 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 909.9 kB or 42% of the original size.

CSS Optimization

-88%

Potential reduce by 284.9 kB

  • Original 322.4 kB
  • After minification 271.5 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. Szvivid.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 284.9 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 53 (61%)

Requests Now

87

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sz Vivid 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

szvivid.en.alibaba.com

szvivid.en.alibaba.com

81 ms

szvivid.en.alibaba.com

szvivid.en.alibaba.com

853 ms

111 ms

75 ms

header.css

header.css

97 ms

header.js

header.js

86 ms

78 ms

web-index.css

web-index.css

79 ms

web-index.css

web-index.css

80 ms

web-index.css

web-index.css

93 ms

web-index.css

web-index.css

106 ms

web-index.css

web-index.css

93 ms

288 ms

90 ms

index.js

index.js

285 ms

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586 ms

210 ms

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603 ms

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187 ms

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190 ms

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374 ms

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529 ms

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3115 ms

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2742 ms

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562 ms

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1291 ms

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1004 ms

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1380 ms

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1669 ms

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2699 ms

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1837 ms

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2537 ms

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2724 ms

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Ha39db1e166ad48b7a18f5e828b67834ad.jpg_250x250.jpg

4794 ms

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3325 ms

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4072 ms

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3291 ms

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3312 ms

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3945 ms

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4053 ms

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4341 ms

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4335 ms

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5337 ms

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4889 ms

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5963 ms

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5875 ms

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5677 ms

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5304 ms

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5509 ms

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6461 ms

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6278 ms

personTipsInfo.do

personTipsInfo.do

242 ms

awsc.js

awsc.js

265 ms

228 ms

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6546 ms

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6742 ms

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6968 ms

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545 ms

roboto-regular.woff

roboto-regular.woff

5784 ms

roboto-medium.woff

roboto-medium.woff

5789 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

148 ms

eg.js

eg.js

46 ms

et_n.js

et_n.js

42 ms

um.js

um.js

42 ms

footer.css

footer.css

5617 ms

sc.globalxman.appscene

sc.globalxman.appscene

26 ms

index.js

index.js

20 ms

index.js

index.js

19 ms

wu.json

wu.json

34 ms

7.gif

7.gif

20 ms

roboto-light.woff

roboto-light.woff

5462 ms

roboto-thin.woff

roboto-thin.woff

5459 ms

baxiaCommon.js

baxiaCommon.js

38 ms

rp

rp

942 ms

um.json

um.json

54 ms

getUmid.do

getUmid.do

35 ms

roboto-bold.woff

roboto-bold.woff

5018 ms

4737 ms

icon-font.woff

icon-font.woff

4648 ms

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5616 ms

light0.5x.png

light0.5x.png

270 ms

pages_version.html

pages_version.html

205 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

29 ms

defer-common.js

defer-common.js

45 ms

i.alicdn.com

i.alicdn.com

37 ms

index.js

index.js

213 ms

index.js

index.js

142 ms

store-proxy.html

store-proxy.html

120 ms

countryCurrencyDataService

countryCurrencyDataService

167 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

94 ms

personRoleInfo.do

personRoleInfo.do

84 ms

notification.do

notification.do

141 ms

index.web.css

index.web.css

60 ms

index.web.js

index.web.js

69 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

100 ms

availableSurveyQuery.json

availableSurveyQuery.json

53 ms

iconfont.woff

iconfont.woff

24 ms

iconfont.woff

iconfont.woff

49 ms

Accessibility Review

szvivid.en.alibaba.com accessibility score

41

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

szvivid.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

szvivid.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 Szvivid.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 Szvivid.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

szvivid.en.alibaba.com

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