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bluestone-tech.en.alibaba.com screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

bluestone-tech.en.alibaba.com

Alibaba Manufacturer Directory - Suppliers, Manufacturers, Exporters & Importers

Page Load Speed

2.3 sec in total

First Response

9 ms

Resources Loaded

2.1 sec

Page Rendered

204 ms

bluestone-tech.en.alibaba.com screenshot

About Website

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

Shenzhen Bluestone Technology Co., Ltd., Experts in Manufacturing and Exporting Adapter charger, charging cable and 0 more Products.

Visit bluestone-tech.en.alibaba.com

Key Findings

We analyzed Bluestone-tech.en.alibaba.com page load time and found that the first response time was 9 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

bluestone-tech.en.alibaba.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

64/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value4,800 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.32

36/100

15%

TTI (Time to Interactive)

Value23.4 s

1/100

10%

Network Requests Diagram

bluestone-tech.en.alibaba.com

9 ms

bluestone-tech.en.alibaba.com

627 ms

181 ms

235 ms

header.css

214 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Bluestone-tech.en.alibaba.com, 52% (38 requests) were made to S.alicdn.com and 10% (7 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Fourier.taobao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.4 MB (60%)

Content Size

5.7 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bluestone-tech.en.alibaba.com main page is 5.7 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 5.0 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 340.0 kB

  • Original 423.5 kB
  • After minification 419.6 kB
  • After compression 83.5 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 340.0 kB or 80% 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, Bluestone Tech 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

-58%

Potential reduce by 2.9 MB

  • Original 5.0 MB
  • After minification 5.0 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 2.9 MB or 58% of the original size.

CSS Optimization

-64%

Potential reduce by 202.5 kB

  • Original 315.3 kB
  • After minification 264.4 kB
  • After compression 112.8 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. Bluestone-tech.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 202.5 kB or 64% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (66%)

Requests Now

62

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bluestone Tech 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 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bluestone-tech.en.alibaba.com

bluestone-tech.en.alibaba.com

9 ms

bluestone-tech.en.alibaba.com

bluestone-tech.en.alibaba.com

627 ms

181 ms

235 ms

header.css

header.css

214 ms

header.js

header.js

214 ms

34 ms

web-index.css

web-index.css

215 ms

web-index.css

web-index.css

278 ms

web-index.css

web-index.css

278 ms

web-index.css

web-index.css

282 ms

279 ms

227 ms

index.js

index.js

273 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

181 ms

HTB1WuxgeyMnBKNjSZFCq6x0KFXaV.jpg

HTB1WuxgeyMnBKNjSZFCq6x0KFXaV.jpg

438 ms

H606feefa5e784e87989c9ef7a2991b372.jpg_350x350.jpg

H606feefa5e784e87989c9ef7a2991b372.jpg_350x350.jpg

332 ms

H279082ac911a4808a679425568b2068bB.jpg_350x350.jpg

H279082ac911a4808a679425568b2068bB.jpg_350x350.jpg

484 ms

H93c9e947358746ebac40b26f95f850e9G.jpg_350x350.jpg

H93c9e947358746ebac40b26f95f850e9G.jpg_350x350.jpg

407 ms

Heaf3a0e3f7fe4adcb5650c5c7e0cab0fd.jpg_350x350.jpg

Heaf3a0e3f7fe4adcb5650c5c7e0cab0fd.jpg_350x350.jpg

574 ms

Hdf17e456cca5411f8b7fc6c907876b418.jpg_350x350.jpg

Hdf17e456cca5411f8b7fc6c907876b418.jpg_350x350.jpg

333 ms

H89363224f52f440eb84a455d1de7f9d71.jpg_350x350.jpg

H89363224f52f440eb84a455d1de7f9d71.jpg_350x350.jpg

720 ms

Hff96e007b0914bc09e35af1de4e61346f.jpg_350x350.jpg

Hff96e007b0914bc09e35af1de4e61346f.jpg_350x350.jpg

665 ms

HLB1Dy6kU6TpK1RjSZKPq6y3UpXaF.jpg_350x350.jpg

HLB1Dy6kU6TpK1RjSZKPq6y3UpXaF.jpg_350x350.jpg

779 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

226 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

406 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

413 ms

384 ms

roboto-regular.woff

roboto-regular.woff

384 ms

roboto-medium.woff

roboto-medium.woff

392 ms

roboto-light.woff

roboto-light.woff

408 ms

roboto-thin.woff

roboto-thin.woff

410 ms

roboto-bold.woff

roboto-bold.woff

420 ms

personTipsInfo.do

personTipsInfo.do

85 ms

awsc.js

awsc.js

83 ms

47 ms

TB13qeCOVXXXXafaVXXXXXXXXXX-1200-280.jpg

TB13qeCOVXXXXafaVXXXXXXXXXX-1200-280.jpg

117 ms

eg.js

eg.js

265 ms

icon-font.woff

icon-font.woff

343 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

68 ms

13 ms

et_n.js

et_n.js

26 ms

um.js

um.js

108 ms

sc.globalxman.appscene

sc.globalxman.appscene

204 ms

footer.css

footer.css

231 ms

wu.json

wu.json

610 ms

7.gif

7.gif

14 ms

index.js

index.js

14 ms

index.js

index.js

14 ms

baxiaCommon.js

baxiaCommon.js

14 ms

rp

rp

1006 ms

light0.5x.png

light0.5x.png

53 ms

pages_version.html

pages_version.html

138 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

15 ms

defer-common.js

defer-common.js

277 ms

i.alicdn.com

i.alicdn.com

400 ms

index.js

index.js

76 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

374 ms

index.web.css

index.web.css

6 ms

index.web.js

index.web.js

24 ms

availableSurveyQuery.json

availableSurveyQuery.json

252 ms

index.js

index.js

48 ms

index.css

index.css

126 ms

store-proxy.html

store-proxy.html

99 ms

countryCurrencyDataService

countryCurrencyDataService

468 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

81 ms

personRoleInfo.do

personRoleInfo.do

85 ms

notification.do

notification.do

95 ms

index.js

index.js

12 ms

um.json

um.json

51 ms

getUmid.do

getUmid.do

7 ms

iconfont.woff

iconfont.woff

76 ms

iconfont.woff

iconfont.woff

26 ms

Accessibility Review

bluestone-tech.en.alibaba.com accessibility score

46

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

bluestone-tech.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

bluestone-tech.en.alibaba.com SEO score

79

Search Engine Optimization Advices

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 Bluestone-tech.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 Bluestone-tech.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

bluestone-tech.en.alibaba.com

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