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

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

qdevu.en.alibaba.com

Qingdao Evu Environmental And Engineering Equipment Co., Ltd.

Page Load Speed

3.4 sec in total

First Response

76 ms

Resources Loaded

3.1 sec

Page Rendered

283 ms

qdevu.en.alibaba.com screenshot

About Website

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

Qingdao Evu Environmental And Engineering Equipment Co., Ltd., Experts in Manufacturing and Exporting and 0 more Products.

Visit qdevu.en.alibaba.com

Key Findings

We analyzed Qdevu.en.alibaba.com page load time and found that the first response time was 76 ms and then it took 3.3 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

qdevu.en.alibaba.com performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

1/100

25%

SI (Speed Index)

Value16.8 s

0/100

10%

TBT (Total Blocking Time)

Value5,810 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.627

9/100

15%

TTI (Time to Interactive)

Value26.5 s

0/100

10%

Network Requests Diagram

qdevu.en.alibaba.com

76 ms

qdevu.en.alibaba.com

686 ms

133 ms

121 ms

header.css

224 ms

Our browser made a total of 112 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Qdevu.en.alibaba.com, 35% (39 requests) were made to S.alicdn.com and 13% (15 requests) were made to Sc01.alicdn.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Sc01.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.5 MB (48%)

Content Size

7.3 MB

After Optimization

3.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Qdevu.en.alibaba.com main page is 7.3 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. 70% of websites need less resources to load. Javascripts take 6.2 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 349.6 kB

  • Original 440.0 kB
  • After minification 436.1 kB
  • After compression 90.4 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 349.6 kB or 79% of the original size.

Image Optimization

-7%

Potential reduce by 12.5 kB

  • Original 178.2 kB
  • After minification 165.6 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. Qd Evu En Alibaba images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 2.9 MB

  • Original 6.2 MB
  • After minification 6.2 MB
  • After compression 3.3 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 2.9 MB or 46% of the original size.

CSS Optimization

-66%

Potential reduce by 287.9 kB

  • Original 435.3 kB
  • After minification 384.3 kB
  • After compression 147.3 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. Qdevu.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 287.9 kB or 66% of the original size.

Requests Breakdown

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

Requests Now

101

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Qd Evu 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 32 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

qdevu.en.alibaba.com

qdevu.en.alibaba.com

76 ms

qdevu.en.alibaba.com

qdevu.en.alibaba.com

686 ms

133 ms

121 ms

header.css

header.css

224 ms

header.js

header.js

263 ms

63 ms

web-index.css

web-index.css

191 ms

web-index.css

web-index.css

191 ms

web-index.css

web-index.css

237 ms

web-index.css

web-index.css

262 ms

web-index.css

web-index.css

263 ms

506 ms

396 ms

index.js

index.js

395 ms

398 ms

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273 ms

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727 ms

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719 ms

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233 ms

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596 ms

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569 ms

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597 ms

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362 ms

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316 ms

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361 ms

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402 ms

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361 ms

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367 ms

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367 ms

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367 ms

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593 ms

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742 ms

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659 ms

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573 ms

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657 ms

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1046 ms

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1047 ms

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1047 ms

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1048 ms

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1046 ms

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1226 ms

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1444 ms

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1403 ms

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1914 ms

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593 ms

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358 ms

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352 ms

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594 ms

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337 ms

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1044 ms

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567 ms

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731 ms

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571 ms

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591 ms

awsc.js

awsc.js

354 ms

146 ms

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269 ms

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269 ms

personTipsInfo.do

personTipsInfo.do

227 ms

eg.js

eg.js

195 ms

3341bc6f2e264d6a891752d8888102fb

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1220 ms

roboto-regular.woff

roboto-regular.woff

382 ms

roboto-medium.woff

roboto-medium.woff

214 ms

roboto-light.woff

roboto-light.woff

383 ms

roboto-thin.woff

roboto-thin.woff

384 ms

roboto-bold.woff

roboto-bold.woff

385 ms

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905 ms

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402 ms

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188 ms

41 ms

icon-font.woff

icon-font.woff

362 ms

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157 ms

sc.globalxman.appscene

sc.globalxman.appscene

33 ms

footer.css

footer.css

229 ms

et_f.js

et_f.js

34 ms

um.js

um.js

200 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

160 ms

index.js

index.js

153 ms

index.js

index.js

154 ms

7.gif

7.gif

89 ms

baxiaCommon.js

baxiaCommon.js

61 ms

rp

rp

1145 ms

light0.5x.png

light0.5x.png

68 ms

wu.json

wu.json

60 ms

pages_version.html

pages_version.html

515 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

28 ms

defer-common.js

defer-common.js

38 ms

i.alicdn.com

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338 ms

index.js

index.js

339 ms

store-proxy.html

store-proxy.html

363 ms

countryCurrencyDataService

countryCurrencyDataService

347 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

269 ms

personRoleInfo.do

personRoleInfo.do

237 ms

notification.do

notification.do

274 ms

um.json

um.json

141 ms

index.js

index.js

49 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

112 ms

index.js

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113 ms

getUmid.do

getUmid.do

53 ms

iconfont.woff

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61 ms

iconfont.woff

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211 ms

index.web.css

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15 ms

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35 ms

availableSurveyQuery.json

availableSurveyQuery.json

116 ms

font_992356_jz8e219lwqi.css

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61 ms

normalize.css

normalize.css

1000 ms

index.css

index.css

390 ms

mtoplib.min.js

mtoplib.min.js

142 ms

uploaded.js

uploaded.js

69 ms

index.js

index.js

814 ms

index.css

index.css

78 ms

Accessibility Review

qdevu.en.alibaba.com accessibility score

66

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

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

qdevu.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

qdevu.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 Qdevu.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 Qdevu.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

qdevu.en.alibaba.com

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