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apparatus.chemnet.com screenshot

Report Summary

  • 73

    Performance

    Renders faster than
    82% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

apparatus.chemnet.com

Global Chemical Network - Chemicals Trading Platform for Chemical Suppliers and Chemical Buyers - ChemNet

Page Load Speed

46.6 sec in total

First Response

13.1 sec

Resources Loaded

32.9 sec

Page Rendered

495 ms

apparatus.chemnet.com screenshot

About Website

Welcome to apparatus.chemnet.com homepage info - get ready to check Apparatus Chem Net best content for China right away, or after learning these important things about apparatus.chemnet.com

ChemNet is the Chemical Trading platform to connect chemical buyers and chemical sellers with Chemical Search Engine of Chemical Suppliers and Chemical Products.

Visit apparatus.chemnet.com

Key Findings

We analyzed Apparatus.chemnet.com page load time and found that the first response time was 13.1 sec and then it took 33.4 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 6 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

apparatus.chemnet.com performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.069

96/100

15%

TTI (Time to Interactive)

Value4.0 s

87/100

10%

Network Requests Diagram

apparatus.chemnet.com

13122 ms

layout.css

336 ms

Q17.css

1366 ms

font.css

357 ms

ajaxtabs.js

353 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 5% of them (3 requests) were addressed to the original Apparatus.chemnet.com, 60% (37 requests) were made to Img1.chemnet.com and 31% (19 requests) were made to China.chemnet.com. The less responsive or slowest element that took the longest time to load (19.8 sec) relates to the external source Img1.chemnet.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 97.7 kB (66%)

Content Size

148.5 kB

After Optimization

50.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Apparatus.chemnet.com main page is 148.5 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. 15% of websites need less resources to load. HTML takes 65.6 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 51.0 kB

  • Original 65.6 kB
  • After minification 61.5 kB
  • After compression 14.6 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. 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 51.0 kB or 78% of the original size.

Image Optimization

-43%

Potential reduce by 6.6 kB

  • Original 15.3 kB
  • After minification 8.7 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, Apparatus Chem Net needs image optimization as it can save up to 6.6 kB or 43% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-27%

Potential reduce by 7.4 kB

  • Original 27.4 kB
  • After minification 25.4 kB
  • After compression 20.0 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 7.4 kB or 27% of the original size.

CSS Optimization

-81%

Potential reduce by 32.7 kB

  • Original 40.1 kB
  • After minification 34.4 kB
  • After compression 7.4 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. Apparatus.chemnet.com needs all CSS files to be minified and compressed as it can save up to 32.7 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (33%)

Requests Now

55

After Optimization

37

  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Apparatus Chem Net. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

apparatus.chemnet.com

apparatus.chemnet.com

13122 ms

layout.css

layout.css

336 ms

Q17.css

Q17.css

1366 ms

font.css

font.css

357 ms

ajaxtabs.js

ajaxtabs.js

353 ms

Ajax.js

Ajax.js

359 ms

input.js

input.js

353 ms

show_hyxf.js

show_hyxf.js

358 ms

2265 ms

hyxf_bg01.gif

hyxf_bg01.gif

175 ms

hyxf_bg03.gif

hyxf_bg03.gif

174 ms

100762_1.gif

100762_1.gif

19034 ms

102279_1.gif

102279_1.gif

2231 ms

102728_1.gif

102728_1.gif

1571 ms

102683_1.gif

102683_1.gif

1802 ms

3358 ms

2742 ms

4454 ms

4811 ms

5211 ms

3850 ms

ga.js

ga.js

105 ms

__utm.gif

__utm.gif

40 ms

hyxf_bg02.gif

hyxf_bg02.gif

178 ms

hyxf_bg04.gif

hyxf_bg04.gif

164 ms

hyxf_bg07.gif

hyxf_bg07.gif

164 ms

102275_1.gif

102275_1.gif

5093 ms

9695 ms

11489 ms

12745 ms

12151 ms

hyxf_bg08.gif

hyxf_bg08.gif

173 ms

hyxf_bg09.gif

hyxf_bg09.gif

170 ms

13517 ms

14267 ms

12657 ms

15104 ms

13175 ms

19774 ms

sc1.gif

sc1.gif

163 ms

16633 ms

14621 ms

15074 ms

18173 ms

18621 ms

16137 ms

15274 ms

16492 ms

sc8.gif

sc8.gif

151 ms

17276 ms

19795 ms

19794 ms

18498 ms

dot03.gif

dot03.gif

8898 ms

no-photo.jpg

no-photo.jpg

138 ms

19745 ms

19744 ms

corp_card_ajax_Q.js

corp_card_ajax_Q.js

19745 ms

sc19.jpg

sc19.jpg

301 ms

float_div.js

float_div.js

1034 ms

cha.gif

cha.gif

161 ms

19737 ms

Accessibility Review

apparatus.chemnet.com accessibility score

53

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

apparatus.chemnet.com 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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

apparatus.chemnet.com SEO score

69

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    GB2312"

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Apparatus.chemnet.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Apparatus.chemnet.com main page’s claimed encoding is gb2312". Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

apparatus.chemnet.com

Open Graph description is not detected on the main page of Apparatus Chem Net. 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: