Tools & Wizards About Us
zxchem.com.cn screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    40% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 86

    SEO

    Google-friendlier than
    61% of websites

zxchem.com.cn

海南中信化工有限公司

Page Load Speed

50.2 sec in total

First Response

13.9 sec

Resources Loaded

36.2 sec

Page Rendered

196 ms

zxchem.com.cn screenshot

About Website

Visit zxchem.com.cn now to see the best up-to-date Zxchem content and also check out these interesting facts you probably never knew about zxchem.com.cn

海南中信一直致力于营养、健康和化工产品领域，并依托丰富的行业经验和对市场趋势的深入理解和预测，为我们的合作伙伴提供增值服务。

Visit zxchem.com.cn

Key Findings

We analyzed Zxchem.com.cn page load time and found that the first response time was 13.9 sec and then it took 36.4 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 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

zxchem.com.cn performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.3 s

0/100

25%

SI (Speed Index)

Value16.8 s

0/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.436

21/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

zxchem.com.cn

13852 ms

Validator.js

910 ms

core.css

2834 ms

home.css

1333 ms

jquery-1.3.2.min.js

4354 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 92% of them (35 requests) were addressed to the original Zxchem.com.cn, 5% (2 requests) were made to Hm.baidu.com and 3% (1 request) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (19.7 sec) belongs to the original domain Zxchem.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 54.5 kB (36%)

Content Size

152.1 kB

After Optimization

97.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zxchem.com.cn main page is 152.1 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. Images take 70.7 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 5.0 kB

  • Original 7.3 kB
  • After minification 6.9 kB
  • After compression 2.3 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 5.0 kB or 68% of the original size.

Image Optimization

-1%

Potential reduce by 448 B

  • Original 70.7 kB
  • After minification 70.2 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. Zxchem images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 42.2 kB

  • Original 64.4 kB
  • After minification 63.5 kB
  • After compression 22.2 kB

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 42.2 kB or 66% of the original size.

CSS Optimization

-70%

Potential reduce by 6.9 kB

  • Original 9.8 kB
  • After minification 8.8 kB
  • After compression 2.9 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. Zxchem.com.cn needs all CSS files to be minified and compressed as it can save up to 6.9 kB or 70% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (32%)

Requests Now

34

After Optimization

23

  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zxchem. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zxchem.com.cn

zxchem.com.cn

13852 ms

Validator.js

Validator.js

910 ms

core.css

core.css

2834 ms

home.css

home.css

1333 ms

jquery-1.3.2.min.js

jquery-1.3.2.min.js

4354 ms

PlayImg.js

PlayImg.js

2272 ms

index.css

index.css

2780 ms

jquery.js

jquery.js

3283 ms

kefu.js

kefu.js

3314 ms

index2.jpg

index2.jpg

2957 ms

20.jpg

20.jpg

5847 ms

index1.jpg

index1.jpg

441 ms

index3.jpg

index3.jpg

470 ms

banner5.jpg

banner5.jpg

15448 ms

banner1.jpg

banner1.jpg

19699 ms

banner4.jpg

banner4.jpg

4860 ms

banner2.jpg

banner2.jpg

15727 ms

banner3.jpg

banner3.jpg

19698 ms

index8.jpg

index8.jpg

7710 ms

index5.jpg

index5.jpg

8543 ms

index12.jpg

index12.jpg

8578 ms

index6.jpg

index6.jpg

9635 ms

index13.jpg

index13.jpg

9012 ms

index7.jpg

index7.jpg

11133 ms

index14.jpg

index14.jpg

10184 ms

index9.jpg

index9.jpg

12110 ms

index11.jpg

index11.jpg

12329 ms

hm.js

hm.js

642 ms

keifu.png

keifu.png

14813 ms

sky.gif

sky.gif

12774 ms

common3.jpg

common3.jpg

13882 ms

common2.jpg

common2.jpg

14267 ms

common1.jpg

common1.jpg

16428 ms

index4.jpg

index4.jpg

15344 ms

index10.jpg

index10.jpg

16706 ms

icon.gif

icon.gif

15917 ms

hm.gif

hm.gif

304 ms

button_old_41.gif

button_old_41.gif

482 ms

Accessibility Review

zxchem.com.cn accessibility score

87

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

zxchem.com.cn 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

zxchem.com.cn SEO score

86

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

Links do not have descriptive text

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

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zxchem.com.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Zxchem.com.cn 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

zxchem.com.cn

Open Graph description is not detected on the main page of Zxchem. 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: