Tools & Wizards About Us
huaxuejia.cn screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

huaxuejia.cn

化学加_专业的精细化工医药产业资源供需及整合平台

Page Load Speed

56.5 sec in total

First Response

5.9 sec

Resources Loaded

49.5 sec

Page Rendered

1.2 sec

huaxuejia.cn screenshot

About Website

Visit huaxuejia.cn now to see the best up-to-date Huaxuejia content for United States and also check out these interesting facts you probably never knew about huaxuejia.cn

化学加网,是一个专业的精细日用化工医药化学品电商交易平台。旨在为化学化工、医药日化领域的企业提供化学试剂购物商城,化工资讯报道和优质的化工原料。

Visit huaxuejia.cn

Key Findings

We analyzed Huaxuejia.cn page load time and found that the first response time was 5.9 sec and then it took 50.7 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 35 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

huaxuejia.cn performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value14.2 s

1/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.061

97/100

15%

TTI (Time to Interactive)

Value12.9 s

13/100

10%

Network Requests Diagram

huaxuejia.cn

5867 ms

bootstrap.min.css

4278 ms

footerstyle.css

2741 ms

topstyle.css

3283 ms

ie-emulation-modes-warning.js

1114 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 89% of them (51 requests) were addressed to the original Huaxuejia.cn, 2% (1 request) were made to S11.cnzz.com and 2% (1 request) were made to Oz.cnzz.com. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Huaxuejia.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 164.0 kB (79%)

Content Size

207.2 kB

After Optimization

43.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Huaxuejia.cn main page is 207.2 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. Javascripts take 105.4 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 45.5 kB

  • Original 51.8 kB
  • After minification 29.6 kB
  • After compression 6.3 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. This page needs HTML code to be minified as it can gain 22.2 kB, which is 43% 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 45.5 kB or 88% of the original size.

Image Optimization

-54%

Potential reduce by 7.3 kB

  • Original 13.4 kB
  • After minification 6.1 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. Obviously, Huaxuejia needs image optimization as it can save up to 7.3 kB or 54% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-79%

Potential reduce by 82.9 kB

  • Original 105.4 kB
  • After minification 78.6 kB
  • After compression 22.5 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 82.9 kB or 79% of the original size.

CSS Optimization

-77%

Potential reduce by 28.2 kB

  • Original 36.6 kB
  • After minification 31.1 kB
  • After compression 8.4 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. Huaxuejia.cn needs all CSS files to be minified and compressed as it can save up to 28.2 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (63%)

Requests Now

19

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Huaxuejia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

huaxuejia.cn

huaxuejia.cn

5867 ms

bootstrap.min.css

bootstrap.min.css

4278 ms

footerstyle.css

footerstyle.css

2741 ms

topstyle.css

topstyle.css

3283 ms

ie-emulation-modes-warning.js

ie-emulation-modes-warning.js

1114 ms

jquery.min.js

jquery.min.js

10983 ms

bootstrap.min.js

bootstrap.min.js

6120 ms

homestyle.css

homestyle.css

4962 ms

base.css

base.css

3829 ms

common.css

common.css

6710 ms

common.js

common.js

1646 ms

jquery.bootstrap.newsbox.js

jquery.bootstrap.newsbox.js

1096 ms

counter.js

counter.js

6250 ms

line3.png

line3.png

11379 ms

logohome.png

logohome.png

1734 ms

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1458969909_7305.jpg

19692 ms

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19692 ms

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19692 ms

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19692 ms

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19692 ms

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19692 ms

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19692 ms

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19692 ms

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19692 ms

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19692 ms

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19691 ms

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19692 ms

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19692 ms

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19691 ms

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19690 ms

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19691 ms

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19690 ms

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19690 ms

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19694 ms

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19693 ms

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19693 ms

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newplay1.jpg

19693 ms

newplay2.jpg

newplay2.jpg

19693 ms

newplay3.jpg

newplay3.jpg

19693 ms

newplay4.jpg

newplay4.jpg

19693 ms

game.png

game.png

19693 ms

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19693 ms

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19693 ms

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19693 ms

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19692 ms

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19693 ms

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145644805944.jpg

19693 ms

xinlang.png

xinlang.png

19693 ms

wechatcode.jpg

wechatcode.jpg

19634 ms

z_stat.php

z_stat.php

1201 ms

stat.htm

stat.htm

159 ms

core.php

core.php

2362 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

19957 ms

9.gif

9.gif

3839 ms

pic.gif

pic.gif

785 ms

app.gif

app.gif

1005 ms

glyphicons-halflings-regular.ttf

glyphicons-halflings-regular.ttf

15079 ms

Accessibility Review

huaxuejia.cn accessibility score

87

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.

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

huaxuejia.cn best practices score

67

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

High

Page has valid source maps

SEO Factors

huaxuejia.cn SEO score

75

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

High

robots.txt is not valid

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

High

Tap targets are not sized appropriately

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 Huaxuejia.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 Huaxuejia.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

huaxuejia.cn

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