Tools & Wizards About Us
huaxuejia.cn screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% 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_合成化学产业资源聚合服务平台

Page Load Speed

12.5 sec in total

First Response

912 ms

Resources Loaded

8.6 sec

Page Rendered

3 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 912 ms and then it took 11.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

huaxuejia.cn performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value18.4 s

0/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value1,580 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

huaxuejia.cn

912 ms

base.css

381 ms

headfootStyle.css

390 ms

bootstrap.min.css

577 ms

formValidation.css

388 ms

Our browser made a total of 133 requests to load all elements on the main page. We found that 92% of them (123 requests) were addressed to the original Huaxuejia.cn, 2% (2 requests) were made to Res.wx.qq.com and 2% (2 requests) were made to V.trustutn.org. The less responsive or slowest element that took the longest time to load (6.1 sec) belongs to the original domain Huaxuejia.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (12%)

Content Size

12.9 MB

After Optimization

11.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Huaxuejia.cn main page is 12.9 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. Only a small number of websites need less resources to load. Images take 12.6 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 167.9 kB

  • Original 187.7 kB
  • After minification 122.7 kB
  • After compression 19.8 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 65.0 kB, which is 35% 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 167.9 kB or 89% of the original size.

Image Optimization

-10%

Potential reduce by 1.3 MB

  • Original 12.6 MB
  • After minification 11.3 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. Huaxuejia images are well optimized though.

JavaScript Optimization

-25%

Potential reduce by 29.9 kB

  • Original 118.3 kB
  • After minification 116.6 kB
  • After compression 88.4 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 29.9 kB or 25% of the original size.

CSS Optimization

-28%

Potential reduce by 18.3 kB

  • Original 64.8 kB
  • After minification 64.8 kB
  • After compression 46.5 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. Huaxuejia.cn needs all CSS files to be minified and compressed as it can save up to 18.3 kB or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (23%)

Requests Now

126

After Optimization

97

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 126 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 14 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

huaxuejia.cn

huaxuejia.cn

912 ms

base.css

base.css

381 ms

headfootStyle.css

headfootStyle.css

390 ms

bootstrap.min.css

bootstrap.min.css

577 ms

formValidation.css

formValidation.css

388 ms

jquery.ui.autocomplete.css

jquery.ui.autocomplete.css

390 ms

jquery.min.js

jquery.min.js

588 ms

jquery.cookie.js

jquery.cookie.js

569 ms

bootstrap.min.js

bootstrap.min.js

584 ms

swiper.min.css

swiper.min.css

583 ms

swiper.min.js

swiper.min.js

781 ms

checkLogin.js

checkLogin.js

758 ms

sweetalert.min.js

sweetalert.min.js

768 ms

sweetalert.css

sweetalert.css

775 ms

mIndex.css

mIndex.css

779 ms

pageproduct.css

pageproduct.css

793 ms

js-sdk-pro.min.js

js-sdk-pro.min.js

681 ms

jweixin-1.6.0.js

jweixin-1.6.0.js

343 ms

headFoot.js

headFoot.js

786 ms

jquery.ui.core.js

jquery.ui.core.js

787 ms

jquery.ui.widget.js

jquery.ui.widget.js

788 ms

jquery.ui.position.js

jquery.ui.position.js

788 ms

jquery.ui.autocomplete.js

jquery.ui.autocomplete.js

806 ms

wxLogin.js

wxLogin.js

341 ms

loginMobile.js

loginMobile.js

806 ms

iconLogo.png

iconLogo.png

347 ms

verify

verify

371 ms

personType.jpg

personType.jpg

758 ms

enterpriseType.jpg

enterpriseType.jpg

964 ms

1_01.png

1_01.png

575 ms

bdLogo.jpg

bdLogo.jpg

384 ms

logo.jpg

logo.jpg

536 ms

sideBM01.png

sideBM01.png

562 ms

sideBM02.png

sideBM02.png

579 ms

sideBM04.png

sideBM04.png

726 ms

sideBM05.png

sideBM05.png

754 ms

sideBM06.png

sideBM06.png

771 ms

sideBM07.png

sideBM07.png

774 ms

sideBM08.png

sideBM08.png

915 ms

wechatcode.jpg

wechatcode.jpg

945 ms

sideBM09.png

sideBM09.png

950 ms

getLoginStatus

getLoginStatus

1729 ms

brand_realname_small_img.png

brand_realname_small_img.png

603 ms

icon3.png

icon3.png

631 ms

logoweb.png

logoweb.png

1527 ms

rsmall.gif

rsmall.gif

1924 ms

miniApp.jpg

miniApp.jpg

1838 ms

line3.png

line3.png

1113 ms

menu3.png

menu3.png

1120 ms

menu1.png

menu1.png

1134 ms

menu2.png

menu2.png

1305 ms

menu17.png

menu17.png

1312 ms

menu11.png

menu11.png

1328 ms

menu7.png

menu7.png

1502 ms

menu4.png

menu4.png

1506 ms

menu8.png

menu8.png

1523 ms

menu10.png

menu10.png

1647 ms

enterpriseToProvinceList

enterpriseToProvinceList

606 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

1558 ms

menu19.png

menu19.png

1569 ms

1723629980_9976.jpg

1723629980_9976.jpg

2509 ms

1723629404_7752.jpg

1723629404_7752.jpg

2877 ms

1723629433_9707.jpg

1723629433_9707.jpg

2327 ms

1723189471_4654.jpg

1723189471_4654.jpg

2112 ms

collect

collect

476 ms

jssdkStatic.php

jssdkStatic.php

499 ms

1718183375_5277.jpg

1718183375_5277.jpg

1900 ms

1630918439_3973.jpg

1630918439_3973.jpg

1774 ms

mInBtn8.png

mInBtn8.png

1968 ms

mInBtn9.png

mInBtn9.png

1902 ms

mInBtn10.png

mInBtn10.png

1971 ms

mInBtn4.png

mInBtn4.png

1968 ms

mInBtn5.png

mInBtn5.png

2050 ms

brand_realname_small_img.png

brand_realname_small_img.png

770 ms

icon3.png

icon3.png

873 ms

mInBtn15.png

mInBtn15.png

2000 ms

mInBtn1.png

mInBtn1.png

1973 ms

mInBtn11.png

mInBtn11.png

1975 ms

mInBtn14.png

mInBtn14.png

2051 ms

mInBtn12.png

mInBtn12.png

2135 ms

1718699814_4649.jpg

1718699814_4649.jpg

6130 ms

1564041023_6451.png

1564041023_6451.png

1988 ms

1484280119_5738.png

1484280119_5738.png

1983 ms

1691047110_1688.png

1691047110_1688.png

2047 ms

1512382561_9755.jpg

1512382561_9755.jpg

1951 ms

1691049388_8513.jpg

1691049388_8513.jpg

1975 ms

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1667371491_9284.jpg

1983 ms

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1482141212_5013.png

1870 ms

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1715594108_2618.png

1944 ms

1712548298_1715.png

1712548298_1715.png

1938 ms

brand_realname_small_img.png

brand_realname_small_img.png

1251 ms

icon3.png

icon3.png

1160 ms

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1715594024_4105.png

1793 ms

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1715594370_8860.png

1794 ms

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1843 ms

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1712735736_9158.jpg

1920 ms

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1716447172_7848.png

3512 ms

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1712556707_4786.jpg

1772 ms

adv20240627.jpg

adv20240627.jpg

1776 ms

adv20240814.jpg

adv20240814.jpg

1816 ms

20240523.jpg

20240523.jpg

1803 ms

1474443636_3027.jpg

1474443636_3027.jpg

1761 ms

vipIcon5.png

vipIcon5.png

1575 ms

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1712461847_6398.png

1515 ms

vipIcon4.png

vipIcon4.png

1518 ms

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1688031192_4132.png

1544 ms

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1679359930_7332.jpg

1478 ms

vipIcon3.png

vipIcon3.png

1429 ms

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1683618315_3069.png

1502 ms

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1698802239_9664.jpg

1551 ms

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1482 ms

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1456 ms

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1510 ms

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1568 ms

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1578 ms

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1534391073_7854.png

1508 ms

vipIcon2.png

vipIcon2.png

1508 ms

phAddPic1.png

phAddPic1.png

1557 ms

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1556 ms

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1510 ms

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1534 ms

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1599 ms

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1581 ms

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1574 ms

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1613 ms

1720434376_5610.jpg

1720434376_5610.jpg

1595 ms

appcode.png

appcode.png

1607 ms

banner_app_close.png

banner_app_close.png

1593 ms

saoAsk.png

saoAsk.png

1684 ms

side_app_close.png

side_app_close.png

1693 ms

cert1.jpg

cert1.jpg

1627 ms

cert2.jpg

cert2.jpg

1588 ms

cert3.jpg

cert3.jpg

1673 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

    ZH

  • 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 it matches the claimed language. 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: