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

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

undersun.en.alibaba.com

Shaanxi Undersun Biomedtech Co., Ltd.

Page Load Speed

3.7 sec in total

First Response

249 ms

Resources Loaded

3.1 sec

Page Rendered

337 ms

undersun.en.alibaba.com screenshot

About Website

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

Shaanxi Undersun Biomedtech Co., Ltd., Experts in Manufacturing and Exporting and 0 more Products.

Visit undersun.en.alibaba.com

Key Findings

We analyzed Undersun.en.alibaba.com page load time and found that the first response time was 249 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

undersun.en.alibaba.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value5,650 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.073

95/100

15%

TTI (Time to Interactive)

Value26.0 s

0/100

10%

Network Requests Diagram

undersun.en.alibaba.com

249 ms

undersun.en.alibaba.com

583 ms

182 ms

296 ms

header.css

191 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Undersun.en.alibaba.com, 36% (31 requests) were made to S.alicdn.com and 15% (13 requests) were made to Sc01.alicdn.com. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (52%)

Content Size

3.0 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Undersun.en.alibaba.com main page is 3.0 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. 55% of websites need less resources to load. Javascripts take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 501.3 kB

  • Original 601.3 kB
  • After minification 597.4 kB
  • After compression 100.0 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 501.3 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, Undersun 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

-40%

Potential reduce by 853.8 kB

  • Original 2.1 MB
  • After minification 2.1 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 853.8 kB or 40% of the original size.

CSS Optimization

-84%

Potential reduce by 203.8 kB

  • Original 241.9 kB
  • After minification 191.1 kB
  • After compression 38.1 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. Undersun.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 203.8 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (58%)

Requests Now

74

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Undersun 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

undersun.en.alibaba.com

undersun.en.alibaba.com

249 ms

undersun.en.alibaba.com

undersun.en.alibaba.com

583 ms

182 ms

296 ms

header.css

header.css

191 ms

header.js

header.js

248 ms

36 ms

web-index.css

web-index.css

228 ms

web-index.css

web-index.css

279 ms

web-index.css

web-index.css

246 ms

web-index.css

web-index.css

310 ms

web-index.css

web-index.css

248 ms

370 ms

294 ms

index.js

index.js

298 ms

300 ms

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He27eb8cfc7d142129df46413421b26b7d.jpg

705 ms

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H7788797c931b4fceb50780207f431ed6g.jpg

373 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

392 ms

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H86999d12286e4561bdf892c7f9f324c6v.jpg

1149 ms

Hb99ce1dc8b8a49cb943a7e98a7a60e6d7.jpg_q80.jpg

Hb99ce1dc8b8a49cb943a7e98a7a60e6d7.jpg_q80.jpg

659 ms

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H7842fe5b214340f4adebb5fc877638e79.jpg_q80.jpg

2370 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

561 ms

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H0db1a20d53da43d4978a2dae98dab7c6d.jpg

562 ms

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Hecc7d268c52f424aa535e28b5a26199dk.jpg

383 ms

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Hcb5995650f4749779f29edd70b884eaaQ.jpg

296 ms

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Hf4ea06ee69374d929e3b740e90ddadc0Y.jpg

470 ms

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H1549ff8935d14b4782baa5fa2698db3d9.jpg

381 ms

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H961dfb2c1cf843f089bfd3eda48040b3V.jpg

642 ms

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H3287474cca354287b3ec0ec0843d60c6o.jpg

639 ms

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Haa4b0295b6ab4d5e81630ae912ea562cB.jpg

666 ms

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H31f69ff65aa74a468283195ed185095fi.jpg

622 ms

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H5483fa2f293149028f25328660865ba2r.jpg

641 ms

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H05ac20cba8e84ee3855adb156bd78eacf.jpg

1840 ms

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Hf3f30f4a33514fac85fae0d57289c563j.jpg

638 ms

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Hde99fbb6371946588dcf414859bb30cbA.jpg

550 ms

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H3e785ca2bab94daa8fbd41e6345e4735K.jpg

558 ms

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H12a4b1f045554619aba31509633b75a2t.jpg

620 ms

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H709c90c2c7ff414eb76393b42120dea5d.jpg

606 ms

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H6bdf92cdc86c489a9174e0d4619d4f57o.jpg

1213 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

201 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

102 ms

roboto-regular.woff

roboto-regular.woff

69 ms

roboto-medium.woff

roboto-medium.woff

70 ms

roboto-light.woff

roboto-light.woff

143 ms

roboto-thin.woff

roboto-thin.woff

89 ms

roboto-bold.woff

roboto-bold.woff

144 ms

personTipsInfo.do

personTipsInfo.do

382 ms

awsc.js

awsc.js

182 ms

29 ms

H0d479fc1bf8b404db7fcf33ffb2dd38fe.jpg

H0d479fc1bf8b404db7fcf33ffb2dd38fe.jpg

934 ms

eg.js

eg.js

399 ms

33 ms

icon-font.woff

icon-font.woff

104 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

274 ms

sc.globalxman.appscene

sc.globalxman.appscene

275 ms

et_n.js

et_n.js

93 ms

um.js

um.js

183 ms

footer.css

footer.css

14 ms

light0.5x.png

light0.5x.png

138 ms

pages_version.html

pages_version.html

310 ms

defer-common.js

defer-common.js

510 ms

i.alicdn.com

i.alicdn.com

685 ms

index.js

index.js

88 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

183 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

626 ms

wu.json

wu.json

624 ms

7.gif

7.gif

3 ms

index.js

index.js

9 ms

index.js

index.js

18 ms

baxiaCommon.js

baxiaCommon.js

13 ms

rp

rp

1268 ms

index.web.css

index.web.css

48 ms

index.web.js

index.web.js

63 ms

availableSurveyQuery.json

availableSurveyQuery.json

41 ms

store-proxy.html

store-proxy.html

137 ms

countryCurrencyDataService

countryCurrencyDataService

172 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

108 ms

personRoleInfo.do

personRoleInfo.do

154 ms

notification.do

notification.do

186 ms

index.js

index.js

111 ms

iconfont.woff

iconfont.woff

10 ms

iconfont.woff

iconfont.woff

16 ms

um.json

um.json

54 ms

getUmid.do

getUmid.do

10 ms

Accessibility Review

undersun.en.alibaba.com accessibility score

75

Accessibility Issues

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

undersun.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

undersun.en.alibaba.com SEO score

79

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

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 Undersun.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 Undersun.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

undersun.en.alibaba.com

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