Tools & Wizards About Us
zhenglin.coowor.com screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 51

    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

zhenglin.coowor.com

Shanghai Zheng Lin International Trading Co., Ltd. - Distributor, Header/Manifolds

Page Load Speed

26.1 sec in total

First Response

689 ms

Resources Loaded

24.4 sec

Page Rendered

998 ms

zhenglin.coowor.com screenshot

About Website

Click here to check amazing Zheng Lin Co Owor content for United States. Otherwise, check out these important facts you probably never knew about zhenglin.coowor.com

Shanghai Zheng Lin International Trading Co., Ltd.,Experts in Distributor, Header/Manifolds, A Verified Supplier on Coowor.com.

Visit zhenglin.coowor.com

Key Findings

We analyzed Zhenglin.coowor.com page load time and found that the first response time was 689 ms and then it took 25.4 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

zhenglin.coowor.com performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

77/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value17.4 s

0/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.124

83/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

zhenglin.coowor.com

689 ms

zhenglin.coowor.com

2197 ms

hm.js

1038 ms

atrk.js

4 ms

push.js

1476 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 63% of them (42 requests) were addressed to the original Zhenglin.coowor.com, 31% (21 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 (19.7 sec) relates to the external source Img.coowor.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 168.6 kB (15%)

Content Size

1.1 MB

After Optimization

929.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zhenglin.coowor.com main page is 1.1 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 896.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 126.5 kB

  • Original 154.5 kB
  • After minification 137.3 kB
  • After compression 28.0 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 17.2 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 126.5 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 28.3 kB

  • Original 896.5 kB
  • After minification 868.1 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. Zheng Lin 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. Zhenglin.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 (30%)

Requests Now

61

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zheng Lin 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

zhenglin.coowor.com

zhenglin.coowor.com

689 ms

zhenglin.coowor.com

zhenglin.coowor.com

2197 ms

hm.js

hm.js

1038 ms

atrk.js

atrk.js

4 ms

push.js

push.js

1476 ms

index.css

index.css

443 ms

Reset.css

Reset.css

667 ms

cssstyles.css

cssstyles.css

1334 ms

indexstyle.css

indexstyle.css

1119 ms

font.css

font.css

899 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

2021 ms

shop-index.css

shop-index.css

900 ms

shop-index.js

shop-index.js

888 ms

jquery.lazyload.js;jsessionid=5B4422A4B70A18F22F814478A1E44A0B

jquery.lazyload.js;jsessionid=5B4422A4B70A18F22F814478A1E44A0B

1112 ms

jquery.scrollLoading.js;jsessionid=5B4422A4B70A18F22F814478A1E44A0B

jquery.scrollLoading.js;jsessionid=5B4422A4B70A18F22F814478A1E44A0B

1123 ms

jquery.tmpl.min.js;jsessionid=5B4422A4B70A18F22F814478A1E44A0B

jquery.tmpl.min.js;jsessionid=5B4422A4B70A18F22F814478A1E44A0B

1124 ms

shop-header.css

shop-header.css

1334 ms

shop-header.js

shop-header.js

1124 ms

product_priceRange.js

product_priceRange.js

1130 ms

bootstrap.min.css

bootstrap.min.css

2032 ms

bootstrap-wysihtml5.css

bootstrap-wysihtml5.css

1336 ms

jquery.blockUI.js

jquery.blockUI.js

1339 ms

util.js

util.js

1346 ms

hm.gif

hm.gif

311 ms

20180726154654JZZ2.jpg

20180726154654JZZ2.jpg

2542 ms

up.png

up.png

237 ms

logo.gif

logo.gif

237 ms

unit_deposit.gif

unit_deposit.gif

239 ms

shop_collect1.png

shop_collect1.png

236 ms

search_btn.png

search_btn.png

239 ms

icon_03.png

icon_03.png

443 ms

icon_05.png

icon_05.png

445 ms

icon_07.png

icon_07.png

446 ms

iconleft_03.png

iconleft_03.png

448 ms

iconleft_08.png

iconleft_08.png

449 ms

iconleft_10.png

iconleft_10.png

450 ms

iconleft2_03.png

iconleft2_03.png

673 ms

iconleft2_hot.png

iconleft2_hot.png

673 ms

2018072616001064WD.jpg

2018072616001064WD.jpg

19746 ms

20180726160036PE9D.jpg

20180726160036PE9D.jpg

1749 ms

20180726160020C4EQ.jpg

20180726160020C4EQ.jpg

1989 ms

20180726160000BGRQ.jpg

20180726160000BGRQ.jpg

2012 ms

201807261559478BOU.jpg

201807261559478BOU.jpg

1809 ms

20200715112802L1W0.jpg

20200715112802L1W0.jpg

2423 ms

201809301713503PLL.jpg

201809301713503PLL.jpg

11657 ms

20190930155742C3WR.jpg

20190930155742C3WR.jpg

8376 ms

20180726162018C742.jpg

20180726162018C742.jpg

16152 ms

20180726162548UVVY.jpg

20180726162548UVVY.jpg

19744 ms

20180726162811TAIL.jpg

20180726162811TAIL.jpg

19745 ms

20180726163015D74Y.jpg

20180726163015D74Y.jpg

9824 ms

shop_publish_years.png

shop_publish_years.png

656 ms

201807261657103SLH.jpg

201807261657103SLH.jpg

8798 ms

shopCustomShow.html;jsessionid=5B4422A4B70A18F22F814478A1E44A0B

shopCustomShow.html;jsessionid=5B4422A4B70A18F22F814478A1E44A0B

666 ms

loading_02.gif

loading_02.gif

646 ms

arr.fw.png

arr.fw.png

884 ms

re.png

re.png

849 ms

dh.png

dh.png

852 ms

size.png

size.png

849 ms

list-chat1_5.png

list-chat1_5.png

882 ms

20180717131151PXIK.jpg

20180717131151PXIK.jpg

5194 ms

20180717131912R9O3.jpg

20180717131912R9O3.jpg

5615 ms

20180717131911XX5X.jpg

20180717131911XX5X.jpg

12734 ms

online_chat_btn.png

online_chat_btn.png

898 ms

20180716152526P9PB.jpg

20180716152526P9PB.jpg

5210 ms

201807161530185SDH.jpg

201807161530185SDH.jpg

5436 ms

201807161529332GRO.jpg

201807161529332GRO.jpg

5630 ms

20180716152625FZ5R.jpg

20180716152625FZ5R.jpg

5661 ms

Accessibility Review

zhenglin.coowor.com accessibility score

51

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

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

zhenglin.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

zhenglin.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 Zhenglin.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 Zhenglin.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

zhenglin.coowor.com

Open Graph description is not detected on the main page of Zheng Lin 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: