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

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

vcanstorage.en.alibaba.com

Hangzhou Vcan Trade Co., Ltd. - Emergency Tools, Car Interior Accessories

Page Load Speed

3.8 sec in total

First Response

81 ms

Resources Loaded

2.9 sec

Page Rendered

739 ms

vcanstorage.en.alibaba.com screenshot

About Website

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

Hangzhou Vcan Trade Co., Ltd., Experts in Manufacturing and Exporting Emergency Tools, Car Interior Accessories and 0 more Products.

Visit vcanstorage.en.alibaba.com

Key Findings

We analyzed Vcanstorage.en.alibaba.com page load time and found that the first response time was 81 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

vcanstorage.en.alibaba.com performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

84/100

25%

SI (Speed Index)

Value14.9 s

1/100

10%

TBT (Total Blocking Time)

Value4,620 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value27.6 s

0/100

10%

Network Requests Diagram

vcanstorage.en.alibaba.com

81 ms

vcanstorage.en.alibaba.com

754 ms

60 ms

93 ms

header.css

87 ms

Our browser made a total of 106 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Vcanstorage.en.alibaba.com, 52% (55 requests) were made to S.alicdn.com and 8% (9 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.0 MB (41%)

Content Size

4.9 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vcanstorage.en.alibaba.com main page is 4.9 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 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 685.7 kB

  • Original 816.9 kB
  • After minification 812.9 kB
  • After compression 131.2 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 685.7 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 9.0 kB

  • Original 182.6 kB
  • After minification 173.6 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. Vcan Storage En Alibaba images are well optimized though.

JavaScript Optimization

-29%

Potential reduce by 1.0 MB

  • Original 3.6 MB
  • After minification 3.6 MB
  • After compression 2.5 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 1.0 MB or 29% of the original size.

CSS Optimization

-79%

Potential reduce by 286.4 kB

  • Original 360.4 kB
  • After minification 309.5 kB
  • After compression 74.0 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. Vcanstorage.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 286.4 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 56 (59%)

Requests Now

95

After Optimization

39

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vcan Storage 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 31 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vcanstorage.en.alibaba.com

vcanstorage.en.alibaba.com

81 ms

vcanstorage.en.alibaba.com

vcanstorage.en.alibaba.com

754 ms

60 ms

93 ms

header.css

header.css

87 ms

header.js

header.js

87 ms

87 ms

web-index.css

web-index.css

86 ms

web-index.css

web-index.css

113 ms

web-index.css

web-index.css

160 ms

web-index.css

web-index.css

113 ms

web-index.css

web-index.css

159 ms

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192 ms

432 ms

174 ms

index.js

index.js

173 ms

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157 ms

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358 ms

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116 ms

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945 ms

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135 ms

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397 ms

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545 ms

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365 ms

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356 ms

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943 ms

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543 ms

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638 ms

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625 ms

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801 ms

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269 ms

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1139 ms

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155 ms

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155 ms

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TB1kuhcgQyWBuNjy0FpXXassXXa-18-16.svg

160 ms

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TB1VjDmgQyWBuNjy0FpXXassXXa-46-46.svg

160 ms

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232 ms

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241 ms

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515 ms

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517 ms

roboto-regular.woff

roboto-regular.woff

555 ms

roboto-medium.woff

roboto-medium.woff

555 ms

roboto-light.woff

roboto-light.woff

556 ms

roboto-thin.woff

roboto-thin.woff

556 ms

roboto-bold.woff

roboto-bold.woff

557 ms

personTipsInfo.do

personTipsInfo.do

176 ms

awsc.js

awsc.js

285 ms

167 ms

eb30154273af4f23bfefa8efb13b8554

eb30154273af4f23bfefa8efb13b8554

962 ms

171 ms

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790 ms

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950 ms

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1240 ms

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813 ms

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1546 ms

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1232 ms

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1056 ms

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1079 ms

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1253 ms

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1186 ms

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1264 ms

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2263 ms

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1729 ms

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160 ms

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1728 ms

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1724 ms

icon-font.woff

icon-font.woff

1159 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

145 ms

1178 ms

eg.js

eg.js

101 ms

sc.globalxman.appscene

sc.globalxman.appscene

23 ms

footer.css

footer.css

1066 ms

et_f.js

et_f.js

37 ms

um.js

um.js

178 ms

7.gif

7.gif

136 ms

index.js

index.js

136 ms

index.js

index.js

137 ms

baxiaCommon.js

baxiaCommon.js

67 ms

rp

rp

975 ms

wu.json

wu.json

22 ms

um.json

um.json

59 ms

getUmid.do

getUmid.do

41 ms

font_992356_jz8e219lwqi.css

font_992356_jz8e219lwqi.css

17 ms

normalize.css

normalize.css

1159 ms

index.css

index.css

365 ms

mtoplib.min.js

mtoplib.min.js

13 ms

uploaded.js

uploaded.js

36 ms

index.js

index.js

965 ms

light0.5x.png

light0.5x.png

68 ms

pages_version.html

pages_version.html

379 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

44 ms

defer-common.js

defer-common.js

168 ms

i.alicdn.com

i.alicdn.com

348 ms

index.js

index.js

39 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

242 ms

store-proxy.html

store-proxy.html

171 ms

countryCurrencyDataService

countryCurrencyDataService

157 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

125 ms

personRoleInfo.do

personRoleInfo.do

111 ms

notification.do

notification.do

120 ms

index.js

index.js

136 ms

index.web.css

index.web.css

116 ms

index.web.js

index.web.js

12 ms

availableSurveyQuery.json

availableSurveyQuery.json

68 ms

iconfont.woff

iconfont.woff

29 ms

iconfont.woff

iconfont.woff

29 ms

Accessibility Review

vcanstorage.en.alibaba.com accessibility score

70

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

vcanstorage.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

vcanstorage.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 Vcanstorage.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 Vcanstorage.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

vcanstorage.en.alibaba.com

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