Tools & Wizards About Us
u-control.en.alibaba.com screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

u-control.en.alibaba.com

Shenzhen U-Control Electric Co., Ltd. - Thermometers, Temperature Controller

Page Load Speed

5 sec in total

First Response

781 ms

Resources Loaded

3.7 sec

Page Rendered

524 ms

u-control.en.alibaba.com screenshot

About Website

Click here to check amazing U Control En Alibaba content for China. Otherwise, check out these important facts you probably never knew about u-control.en.alibaba.com

Shenzhen U-Control Electric Co., Ltd., Experts in Manufacturing and Exporting Thermometers, Temperature Controller and 0 more Products.

Visit u-control.en.alibaba.com

Key Findings

We analyzed U-control.en.alibaba.com page load time and found that the first response time was 781 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

u-control.en.alibaba.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

84/100

25%

SI (Speed Index)

Value12.1 s

4/100

10%

TBT (Total Blocking Time)

Value9,450 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.328

35/100

15%

TTI (Time to Interactive)

Value28.0 s

0/100

10%

Network Requests Diagram

u-control.en.alibaba.com

781 ms

u-control.en.alibaba.com

684 ms

284 ms

318 ms

header.css

278 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original U-control.en.alibaba.com, 42% (40 requests) were made to S.alicdn.com and 9% (9 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (52%)

Content Size

3.3 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of U-control.en.alibaba.com main page is 3.3 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 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 437.7 kB

  • Original 533.2 kB
  • After minification 528.3 kB
  • After compression 95.5 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 437.7 kB or 82% of the original size.

Image Optimization

-48%

Potential reduce by 194.4 kB

  • Original 406.1 kB
  • After minification 211.8 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, U Control En Alibaba needs image optimization as it can save up to 194.4 kB or 48% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-42%

Potential reduce by 911.6 kB

  • Original 2.2 MB
  • After minification 2.2 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 911.6 kB or 42% of the original size.

CSS Optimization

-84%

Potential reduce by 202.3 kB

  • Original 239.9 kB
  • After minification 189.0 kB
  • After compression 37.6 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. U-control.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 202.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (50%)

Requests Now

84

After Optimization

42

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of U Control 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

u-control.en.alibaba.com

u-control.en.alibaba.com

781 ms

u-control.en.alibaba.com

u-control.en.alibaba.com

684 ms

284 ms

318 ms

header.css

header.css

278 ms

header.js

header.js

281 ms

40 ms

web-index.css

web-index.css

280 ms

web-index.css

web-index.css

310 ms

web-index.css

web-index.css

309 ms

web-index.css

web-index.css

310 ms

web-index.css

web-index.css

312 ms

327 ms

308 ms

index.js

index.js

308 ms

309 ms

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435 ms

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212 ms

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436 ms

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234 ms

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211 ms

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433 ms

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281 ms

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227 ms

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263 ms

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232 ms

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233 ms

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232 ms

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231 ms

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302 ms

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305 ms

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314 ms

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312 ms

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345 ms

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304 ms

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308 ms

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307 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

20 ms

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TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

22 ms

roboto-regular.woff

roboto-regular.woff

59 ms

roboto-medium.woff

roboto-medium.woff

59 ms

roboto-light.woff

roboto-light.woff

56 ms

roboto-thin.woff

roboto-thin.woff

114 ms

roboto-bold.woff

roboto-bold.woff

166 ms

personTipsInfo.do

personTipsInfo.do

264 ms

awsc.js

awsc.js

268 ms

88 ms

blank

blank

13 ms

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2082 ms

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897 ms

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406 ms

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376 ms

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611 ms

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199 ms

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1048 ms

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485 ms

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764 ms

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723 ms

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1612 ms

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193 ms

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195 ms

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179 ms

69 ms

icon-font.woff

icon-font.woff

673 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

161 ms

eg.js

eg.js

287 ms

sc.globalxman.appscene

sc.globalxman.appscene

198 ms

footer.css

footer.css

554 ms

et_n.js

et_n.js

5 ms

um.js

um.js

80 ms

wu.json

wu.json

659 ms

7.gif

7.gif

3 ms

index.js

index.js

6 ms

index.js

index.js

8 ms

baxiaCommon.js

baxiaCommon.js

7 ms

rp

rp

1316 ms

light0.5x.png

light0.5x.png

59 ms

pages_version.html

pages_version.html

283 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

13 ms

defer-common.js

defer-common.js

280 ms

i.alicdn.com

i.alicdn.com

275 ms

index.js

index.js

10 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

519 ms

index.js

index.js

130 ms

index.web.css

index.web.css

218 ms

index.web.js

index.web.js

129 ms

store-proxy.html

store-proxy.html

185 ms

countryCurrencyDataService

countryCurrencyDataService

484 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

165 ms

personRoleInfo.do

personRoleInfo.do

203 ms

notification.do

notification.do

311 ms

um.json

um.json

171 ms

availableSurveyQuery.json

availableSurveyQuery.json

231 ms

getUmid.do

getUmid.do

8 ms

iconfont.woff

iconfont.woff

10 ms

iconfont.woff

iconfont.woff

27 ms

Accessibility Review

u-control.en.alibaba.com accessibility score

43

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

u-control.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

u-control.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 U-control.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 U-control.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

u-control.en.alibaba.com

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