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bluetech.en.alibaba.com screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

bluetech.en.alibaba.com

Shanghai Bluetech Co., Ltd.

Page Load Speed

2.5 sec in total

First Response

77 ms

Resources Loaded

2 sec

Page Rendered

480 ms

bluetech.en.alibaba.com screenshot

About Website

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

Shanghai Bluetech Co., Ltd., Experts in Manufacturing and Exporting and 0 more Products.

Visit bluetech.en.alibaba.com

Key Findings

We analyzed Bluetech.en.alibaba.com page load time and found that the first response time was 77 ms and then it took 2.5 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

bluetech.en.alibaba.com performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

65/100

25%

SI (Speed Index)

Value12.6 s

3/100

10%

TBT (Total Blocking Time)

Value7,360 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value28.9 s

0/100

10%

Network Requests Diagram

bluetech.en.alibaba.com

77 ms

bluetech.en.alibaba.com

718 ms

45 ms

40 ms

header.css

43 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Bluetech.en.alibaba.com, 38% (33 requests) were made to S.alicdn.com and 21% (18 requests) were made to Sc04.alicdn.com. The less responsive or slowest element that took the longest time to load (965 ms) relates to the external source Fourier.taobao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.6 MB (61%)

Content Size

6.0 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bluetech.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. 80% 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 4.9 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 528.1 kB

  • Original 631.8 kB
  • After minification 627.9 kB
  • After compression 103.7 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 528.1 kB or 84% of the original size.

Image Optimization

-11%

Potential reduce by 8.9 kB

  • Original 78.4 kB
  • After minification 69.5 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, Bluetech En Alibaba needs image optimization as it can save up to 8.9 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-58%

Potential reduce by 2.8 MB

  • Original 4.9 MB
  • After minification 4.9 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 2.8 MB or 58% of the original size.

CSS Optimization

-72%

Potential reduce by 292.4 kB

  • Original 404.9 kB
  • After minification 354.0 kB
  • After compression 112.5 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. Bluetech.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 292.4 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (49%)

Requests Now

76

After Optimization

39

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bluetech 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

bluetech.en.alibaba.com

bluetech.en.alibaba.com

77 ms

bluetech.en.alibaba.com

bluetech.en.alibaba.com

718 ms

45 ms

40 ms

header.css

header.css

43 ms

header.js

header.js

89 ms

151 ms

web-index.css

web-index.css

86 ms

web-index.css

web-index.css

87 ms

web-index.css

web-index.css

119 ms

web-index.css

web-index.css

119 ms

web-index.css

web-index.css

118 ms

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

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

118 ms

265 ms

128 ms

index.js

index.js

128 ms

128 ms

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

130 ms

H77232fd12714438f9a7bb1fe46021daeb.jpg

H77232fd12714438f9a7bb1fe46021daeb.jpg

349 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

68 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

70 ms

H536d0f8a74cc48499daca3e0b7ab73c5L.jpg

H536d0f8a74cc48499daca3e0b7ab73c5L.jpg

228 ms

H83852edc215f41b2ba9163872aa884faa.jpg

H83852edc215f41b2ba9163872aa884faa.jpg

224 ms

H10cb974de42641a587a950f443d932b8O.jpg

H10cb974de42641a587a950f443d932b8O.jpg

411 ms

H9dc8b1fc121e4b2e8ccf6a556a1054baI.jpg

H9dc8b1fc121e4b2e8ccf6a556a1054baI.jpg

255 ms

H3f699142d7ed4daeab0160e6675c1723a.jpg

H3f699142d7ed4daeab0160e6675c1723a.jpg

229 ms

H3908879b4c7d4ef78a812f53a9a84cfbo.jpg

H3908879b4c7d4ef78a812f53a9a84cfbo.jpg

224 ms

Ha39dafef1e854973ac552eb69888a5ebE.jpg

Ha39dafef1e854973ac552eb69888a5ebE.jpg

443 ms

Hf268a6512e0e4f2d8a0ddd98f08099ffi.png

Hf268a6512e0e4f2d8a0ddd98f08099ffi.png

348 ms

Ha868c02485bb4963a93789920d2bbf57e.jpg

Ha868c02485bb4963a93789920d2bbf57e.jpg

409 ms

H152d45505c354eed8c45135debbbaecfd.jpg

H152d45505c354eed8c45135debbbaecfd.jpg

348 ms

Heeff350a6ea14a1d8a9c3ae42e01c78a4.jpg

Heeff350a6ea14a1d8a9c3ae42e01c78a4.jpg

410 ms

Hd71552080fff4c6881fe0790b14aac82a.jpg

Hd71552080fff4c6881fe0790b14aac82a.jpg

593 ms

H9424907b757d4407b43b1298ff2ebde1L.jpg

H9424907b757d4407b43b1298ff2ebde1L.jpg

409 ms

H16a8b968ab1649e2aaab4cb324e65842E.jpg

H16a8b968ab1649e2aaab4cb324e65842E.jpg

594 ms

H9805882ac3494f318865ecc7df84b547d.jpg

H9805882ac3494f318865ecc7df84b547d.jpg

423 ms

H709f9028e6b5428e90cebcd31fc4cd54D.png

H709f9028e6b5428e90cebcd31fc4cd54D.png

573 ms

H29031708de274bbd8c7789bbec11f5c6J.jpg

H29031708de274bbd8c7789bbec11f5c6J.jpg

591 ms

H6e712edc511748418a636833665b7134s.jpg

H6e712edc511748418a636833665b7134s.jpg

571 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

221 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

227 ms

roboto-regular.woff

roboto-regular.woff

83 ms

roboto-medium.woff

roboto-medium.woff

96 ms

roboto-light.woff

roboto-light.woff

82 ms

roboto-thin.woff

roboto-thin.woff

112 ms

roboto-bold.woff

roboto-bold.woff

164 ms

personTipsInfo.do

personTipsInfo.do

160 ms

H14fef1058786401e85ccef25da7139beJ.jpg

H14fef1058786401e85ccef25da7139beJ.jpg

301 ms

86 ms

H263242c277d04f3a8dda646c9b3ceb414.jpg

H263242c277d04f3a8dda646c9b3ceb414.jpg

296 ms

awsc.js

awsc.js

157 ms

99 ms

eg.js

eg.js

42 ms

icon-font.woff

icon-font.woff

17 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

133 ms

sc.globalxman.appscene

sc.globalxman.appscene

26 ms

footer.css

footer.css

15 ms

et_n.js

et_n.js

13 ms

um.js

um.js

79 ms

7.gif

7.gif

29 ms

index.js

index.js

28 ms

index.js

index.js

28 ms

light0.5x.png

light0.5x.png

63 ms

pages_version.html

pages_version.html

210 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

25 ms

defer-common.js

defer-common.js

61 ms

i.alicdn.com

i.alicdn.com

180 ms

index.js

index.js

34 ms

wu.json

wu.json

482 ms

baxiaCommon.js

baxiaCommon.js

31 ms

rp

rp

965 ms

index.js

index.js

212 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

194 ms

store-proxy.html

store-proxy.html

98 ms

countryCurrencyDataService

countryCurrencyDataService

109 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

77 ms

personRoleInfo.do

personRoleInfo.do

88 ms

notification.do

notification.do

129 ms

index.js

index.js

29 ms

index.web.css

index.web.css

11 ms

index.web.js

index.web.js

49 ms

iconfont.woff

iconfont.woff

77 ms

iconfont.woff

iconfont.woff

10 ms

availableSurveyQuery.json

availableSurveyQuery.json

50 ms

index.css

index.css

19 ms

um.json

um.json

52 ms

getUmid.do

getUmid.do

8 ms

Accessibility Review

bluetech.en.alibaba.com accessibility score

65

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Some elements have a [tabindex] value greater than 0

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

bluetech.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

bluetech.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 Bluetech.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 Bluetech.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

bluetech.en.alibaba.com

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