Tools & Wizards About Us
zhouju.coowor.com screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

zhouju.coowor.com

Hangzhou Zhouju Electronic Technological Co.,LTD - BLDC Inverter Driver with 5W-30Kw DC Inverter Fan Motor Driver Inverter Compressor Driver Dc heat P...

Page Load Speed

27 sec in total

First Response

804 ms

Resources Loaded

25.4 sec

Page Rendered

841 ms

zhouju.coowor.com screenshot

About Website

Welcome to zhouju.coowor.com homepage info - get ready to check Zhouju Co Owor best content for United States right away, or after learning these important things about zhouju.coowor.com

Hangzhou Zhouju Electronic Technological Co.,LTD,Experts in BLDC Inverter Driver with 5W-30Kw DC Inverter Fan Motor Driver Inverter Compressor Driver Dc heat Pump DC water Pump DC water Treatment Text...

Visit zhouju.coowor.com

Key Findings

We analyzed Zhouju.coowor.com page load time and found that the first response time was 804 ms and then it took 26.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 10 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

zhouju.coowor.com performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value126.4 s

0/100

25%

SI (Speed Index)

Value38.9 s

0/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.25

49/100

15%

TTI (Time to Interactive)

Value4.0 s

88/100

10%

Network Requests Diagram

zhouju.coowor.com

804 ms

zhouju.coowor.com

2344 ms

hm.js

1070 ms

atrk.js

24 ms

push.js

1312 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 57% of them (43 requests) were addressed to the original Zhouju.coowor.com, 38% (29 requests) were made to Img.coowor.com and 3% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Img.coowor.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 195.0 kB (10%)

Content Size

1.9 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zhouju.coowor.com main page is 1.9 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. 30% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 156.1 kB

  • Original 188.7 kB
  • After minification 167.2 kB
  • After compression 32.6 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. This page needs HTML code to be minified as it can gain 21.5 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 156.1 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 25.0 kB

  • Original 1.6 MB
  • After minification 1.6 MB

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. Zhouju Co Owor images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 18 B

  • Original 261 B
  • After minification 261 B
  • After compression 243 B

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. This website has mostly compressed JavaScripts.

CSS Optimization

-29%

Potential reduce by 13.8 kB

  • Original 47.3 kB
  • After minification 46.2 kB
  • After compression 33.5 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. Zhouju.coowor.com needs all CSS files to be minified and compressed as it can save up to 13.8 kB or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (29%)

Requests Now

63

After Optimization

45

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zhouju Co Owor. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zhouju.coowor.com

zhouju.coowor.com

804 ms

zhouju.coowor.com

zhouju.coowor.com

2344 ms

hm.js

hm.js

1070 ms

atrk.js

atrk.js

24 ms

push.js

push.js

1312 ms

index.css

index.css

513 ms

Reset.css

Reset.css

781 ms

cssstyles.css

cssstyles.css

1589 ms

indexstyle.css

indexstyle.css

1319 ms

font.css

font.css

1048 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

2370 ms

shop-index.css

shop-index.css

1053 ms

shop-index.js

shop-index.js

1317 ms

jquery.lazyload.js;jsessionid=079EC2E53BE4A8B4C26BD6F9CC2EB946

jquery.lazyload.js;jsessionid=079EC2E53BE4A8B4C26BD6F9CC2EB946

1602 ms

jquery.scrollLoading.js;jsessionid=079EC2E53BE4A8B4C26BD6F9CC2EB946

jquery.scrollLoading.js;jsessionid=079EC2E53BE4A8B4C26BD6F9CC2EB946

1331 ms

jquery.tmpl.min.js;jsessionid=079EC2E53BE4A8B4C26BD6F9CC2EB946

jquery.tmpl.min.js;jsessionid=079EC2E53BE4A8B4C26BD6F9CC2EB946

1587 ms

shop-header.css

shop-header.css

1325 ms

shop-header.js

shop-header.js

1340 ms

product_priceRange.js

product_priceRange.js

1568 ms

bootstrap.min.css

bootstrap.min.css

2085 ms

bootstrap-wysihtml5.css

bootstrap-wysihtml5.css

1568 ms

jquery.blockUI.js

jquery.blockUI.js

1833 ms

util.js

util.js

1584 ms

hm.gif

hm.gif

311 ms

2020081313550568KY.jpg

2020081313550568KY.jpg

3188 ms

up.png

up.png

270 ms

logo.gif

logo.gif

272 ms

online-expo-host-logo.png

online-expo-host-logo.png

832 ms

unit_deposit.gif

unit_deposit.gif

273 ms

shop_collect1.png

shop_collect1.png

270 ms

search_btn.png

search_btn.png

272 ms

icon_03.png

icon_03.png

534 ms

icon_05.png

icon_05.png

534 ms

icon_07.png

icon_07.png

535 ms

iconleft_03.png

iconleft_03.png

535 ms

iconleft_08.png

iconleft_08.png

537 ms

iconleft_10.png

iconleft_10.png

829 ms

iconleft2_03.png

iconleft2_03.png

829 ms

iconleft2_hot.png

iconleft2_hot.png

830 ms

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202006291050500LR5.jpg

7035 ms

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20200629104651FYMA.jpg

4146 ms

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20200621135623JZ6I.jpg

10091 ms

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2020061917362861SG.jpg

4655 ms

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20200619173628YX7W.jpg

4145 ms

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20200619174249FVTI.jpg

5409 ms

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20200813141522H2LH.jpg

7562 ms

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20200813141522BD8U.jpg

9152 ms

20200813141522YT2W.jpg

20200813141522YT2W.jpg

6001 ms

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20200629115712GBTT.jpg

7207 ms

20191127131527TI8W.jpg

20191127131527TI8W.jpg

6780 ms

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20200813140126LMGH.jpg

18133 ms

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202008131401419HDM.jpg

13156 ms

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20200813140155MJSC.jpg

14986 ms

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20200813140207II6Y.jpg

13170 ms

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20200813140230VPND.jpg

14180 ms

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202008131402411C8U.jpg

14534 ms

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202008131403004G5J.jpg

20097 ms

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20200813171000VR97.jpg

20098 ms

20200813140326F3E8.jpg

20200813140326F3E8.jpg

15935 ms

shop_publish_years.png

shop_publish_years.png

814 ms

20200813140351U8RQ.jpg

20200813140351U8RQ.jpg

20084 ms

shopCustomShow.html;jsessionid=079EC2E53BE4A8B4C26BD6F9CC2EB946

shopCustomShow.html;jsessionid=079EC2E53BE4A8B4C26BD6F9CC2EB946

863 ms

loading_02.gif

loading_02.gif

1311 ms

arr.fw.png

arr.fw.png

1312 ms

re.png

re.png

1047 ms

dh.png

dh.png

1046 ms

size.png

size.png

1048 ms

list-chat1_5.png

list-chat1_5.png

1103 ms

20200813141650JYD6.jpg

20200813141650JYD6.jpg

20039 ms

20200813141650XHOT.jpg

20200813141650XHOT.jpg

20039 ms

202008131416501CJE.jpg

202008131416501CJE.jpg

20039 ms

online_chat_btn.png

online_chat_btn.png

1807 ms

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20005 ms

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20200407164649E5HE.jpg

20005 ms

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20004 ms

20200407140128NR8J.jpg

20200407140128NR8J.jpg

20004 ms

Accessibility Review

zhouju.coowor.com accessibility score

52

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.

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

zhouju.coowor.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

zhouju.coowor.com SEO score

85

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 uses 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 Zhouju.coowor.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 Zhouju.coowor.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

zhouju.coowor.com

Open Graph description is not detected on the main page of Zhouju Co Owor. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: