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

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

zjredsun.en.alibaba.com

Zhejiang Red Sun Education Facilities Co., Ltd.

Page Load Speed

2.5 sec in total

First Response

76 ms

Resources Loaded

2 sec

Page Rendered

483 ms

zjredsun.en.alibaba.com screenshot

About Website

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

Zhejiang Red Sun Education Facilities Co., Ltd., Experts in Manufacturing and Exporting and 0 more Products.

Visit zjredsun.en.alibaba.com

Key Findings

We analyzed Zjredsun.en.alibaba.com page load time and found that the first response time was 76 ms and then it took 2.4 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

zjredsun.en.alibaba.com performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value16.5 s

0/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value4,140 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value1.191

1/100

15%

TTI (Time to Interactive)

Value24.8 s

0/100

10%

Network Requests Diagram

zjredsun.en.alibaba.com

76 ms

zjredsun.en.alibaba.com

617 ms

57 ms

83 ms

header.css

94 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Zjredsun.en.alibaba.com, 42% (38 requests) were made to S.alicdn.com and 9% (8 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (963 ms) relates to the external source Fourier.taobao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.7 MB (61%)

Content Size

6.0 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zjredsun.en.alibaba.com main page is 6.0 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. 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 5.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 370.5 kB

  • Original 459.8 kB
  • After minification 455.9 kB
  • After compression 89.4 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 370.5 kB or 81% of the original size.

Image Optimization

-20%

Potential reduce by 23.9 kB

  • Original 116.5 kB
  • After minification 92.7 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, Zj Red Sun En Alibaba needs image optimization as it can save up to 23.9 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 3.0 MB

  • Original 5.1 MB
  • After minification 5.1 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 3.0 MB or 59% of the original size.

CSS Optimization

-72%

Potential reduce by 284.3 kB

  • Original 396.9 kB
  • After minification 346.0 kB
  • After compression 112.6 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. Zjredsun.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 284.3 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (53%)

Requests Now

79

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zj Red Sun 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

zjredsun.en.alibaba.com

zjredsun.en.alibaba.com

76 ms

zjredsun.en.alibaba.com

zjredsun.en.alibaba.com

617 ms

57 ms

83 ms

header.css

header.css

94 ms

header.js

header.js

99 ms

31 ms

web-index.css

web-index.css

55 ms

web-index.css

web-index.css

147 ms

web-index.css

web-index.css

100 ms

web-index.css

web-index.css

99 ms

web-index.css

web-index.css

101 ms

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

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

102 ms

220 ms

99 ms

index.js

index.js

99 ms

101 ms

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

456 ms

HTB1FvNMayYrK1Rjy0Fdq6ACvVXaf.jpg

HTB1FvNMayYrK1Rjy0Fdq6ACvVXaf.jpg

729 ms

HTB1mE0fatfvK1RjSspoq6zfNpXaV.jpg

HTB1mE0fatfvK1RjSspoq6zfNpXaV.jpg

194 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

616 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

638 ms

H811b82006f974c99b6582936329faa25n.jpg

H811b82006f974c99b6582936329faa25n.jpg

194 ms

TB1jikuF7P2gK0jSZPxXXacQpXa-204-204.png

TB1jikuF7P2gK0jSZPxXXacQpXa-204-204.png

234 ms

TB1dl9FF7L0gK0jSZFxXXXWHVXa-204-204.png

TB1dl9FF7L0gK0jSZFxXXXWHVXa-204-204.png

68 ms

TB1NjFaFO_1gK0jSZFqXXcpaXXa-204-204.png

TB1NjFaFO_1gK0jSZFqXXcpaXXa-204-204.png

67 ms

TB1C_AxF4v1gK0jSZFFXXb0sXXa-204-204.png

TB1C_AxF4v1gK0jSZFFXXb0sXXa-204-204.png

117 ms

HTB1Zn8jazzuK1Rjy0Fpq6yEpFXaY.jpg

HTB1Zn8jazzuK1Rjy0Fpq6yEpFXaY.jpg

164 ms

HTB1F5xjasvrK1Rjy0Feq6ATmVXaM.jpg

HTB1F5xjasvrK1Rjy0Feq6ATmVXaM.jpg

457 ms

HTB1G6FjayzxK1Rjy1zkq6yHrVXaT.jpg

HTB1G6FjayzxK1Rjy1zkq6yHrVXaT.jpg

231 ms

HTB13MRpasnrK1RjSspkq6yuvXXa5.jpg

HTB13MRpasnrK1RjSspkq6yuvXXa5.jpg

191 ms

HTB1pxXoasfrK1Rjy1Xdq6yemFXa4.jpg

HTB1pxXoasfrK1Rjy1Xdq6yemFXa4.jpg

613 ms

HTB1FnNmaDjxK1Rjy0Fnq6yBaFXaA.jpg

HTB1FnNmaDjxK1Rjy0Fnq6yBaFXaA.jpg

673 ms

HTB1gqlqatfvK1RjSspfq6zzXFXaF.jpg

HTB1gqlqatfvK1RjSspfq6zzXFXaF.jpg

234 ms

HTB13aBgau6sK1RjSsrbq6xbDXXa1.jpg

HTB13aBgau6sK1RjSsrbq6xbDXXa1.jpg

231 ms

HTB1TBBqasrrK1Rjy1zeq6xalFXa5.jpg

HTB1TBBqasrrK1Rjy1zeq6xalFXa5.jpg

391 ms

HTB1fMBnazDuK1RjSszdq6xGLpXaD.jpg

HTB1fMBnazDuK1RjSszdq6xGLpXaD.jpg

231 ms

HTB1zexlayzxK1RkSnaVq6xn9VXaK.jpg

HTB1zexlayzxK1RkSnaVq6xn9VXaK.jpg

455 ms

HTB1imlwavjsK1Rjy1Xaq6zispXae.jpg

HTB1imlwavjsK1Rjy1Xaq6zispXae.jpg

240 ms

HTB15UJiasnrK1RkHFrdq6xCoFXaN.jpg

HTB15UJiasnrK1RkHFrdq6xCoFXaN.jpg

634 ms

HTB14yXLazzuK1RjSspeq6ziHVXaq.jpg

HTB14yXLazzuK1RjSspeq6ziHVXaq.jpg

246 ms

roboto-regular.woff

roboto-regular.woff

91 ms

roboto-medium.woff

roboto-medium.woff

84 ms

roboto-light.woff

roboto-light.woff

167 ms

roboto-thin.woff

roboto-thin.woff

125 ms

roboto-bold.woff

roboto-bold.woff

124 ms

awsc.js

awsc.js

202 ms

93 ms

personTipsInfo.do

personTipsInfo.do

170 ms

80 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

79 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

149 ms

HTB1AR0nasfrK1Rjy1Xdq6yemFXaU.jpg

HTB1AR0nasfrK1Rjy1Xdq6yemFXaU.jpg

370 ms

TB1v9yQIG61gK0jSZFlXXXDKFXa-177-27.svg

TB1v9yQIG61gK0jSZFlXXXDKFXa-177-27.svg

146 ms

eg.js

eg.js

100 ms

sc.globalxman.appscene

sc.globalxman.appscene

17 ms

icon-font.woff

icon-font.woff

97 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

158 ms

et_n.js

et_n.js

22 ms

um.js

um.js

113 ms

footer.css

footer.css

95 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

28 ms

index.js

index.js

22 ms

index.js

index.js

23 ms

7.gif

7.gif

20 ms

baxiaCommon.js

baxiaCommon.js

31 ms

rp

rp

963 ms

light0.5x.png

light0.5x.png

64 ms

pages_version.html

pages_version.html

252 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

24 ms

defer-common.js

defer-common.js

58 ms

i.alicdn.com

i.alicdn.com

181 ms

index.js

index.js

28 ms

wu.json

wu.json

192 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

191 ms

index.js

index.js

204 ms

store-proxy.html

store-proxy.html

129 ms

countryCurrencyDataService

countryCurrencyDataService

157 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

106 ms

personRoleInfo.do

personRoleInfo.do

95 ms

notification.do

notification.do

133 ms

index.js

index.js

38 ms

index.web.css

index.web.css

77 ms

index.web.js

index.web.js

83 ms

um.json

um.json

77 ms

iconfont.woff

iconfont.woff

54 ms

iconfont.woff

iconfont.woff

93 ms

availableSurveyQuery.json

availableSurveyQuery.json

53 ms

getUmid.do

getUmid.do

17 ms

index.css

index.css

13 ms

Accessibility Review

zjredsun.en.alibaba.com accessibility score

67

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

zjredsun.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

zjredsun.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 Zjredsun.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 Zjredsun.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

zjredsun.en.alibaba.com

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