Report Summary

  • 75

    Performance

    Renders faster than
    84% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

ccen.net

化工设备网-化工设备垂直门户

Page Load Speed

55.6 sec in total

First Response

1.6 sec

Resources Loaded

52.9 sec

Page Rendered

1.2 sec

ccen.net screenshot

About Website

Welcome to ccen.net homepage info - get ready to check Ccen best content for China right away, or after learning these important things about ccen.net

化工设备网(ccen.net)--化工设备、化工机械电子商务网站。涵盖化工设备、化工机械及工程;制药设备、制药机械及工程;环保设备、环保机械及工程。为广大行业机械设备类企业服务。

Visit ccen.net

Key Findings

We analyzed Ccen.net page load time and found that the first response time was 1.6 sec and then it took 54 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 14 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

ccen.net performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

77/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

92/100

25%

SI (Speed Index)

Value6.4 s

41/100

10%

TBT (Total Blocking Time)

Value160 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.204

61/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

ccen.net

1561 ms

www.ccen.net

6019 ms

style.css

866 ms

jquery.js

1716 ms

ymPrompt.js

4763 ms

Our browser made a total of 199 requests to load all elements on the main page. We found that 46% of them (92 requests) were addressed to the original Ccen.net, 48% (96 requests) were made to File.ccen.net and 3% (5 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source File.ccen.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 555.5 kB (69%)

Content Size

799.3 kB

After Optimization

243.8 kB

In fact, the total size of Ccen.net main page is 799.3 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. 35% of websites need less resources to load. HTML takes 576.9 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 511.9 kB

  • Original 576.9 kB
  • After minification 513.4 kB
  • After compression 65.0 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 63.5 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 511.9 kB or 89% of the original size.

Image Optimization

-15%

Potential reduce by 30.4 kB

  • Original 202.2 kB
  • After minification 171.8 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, Ccen needs image optimization as it can save up to 30.4 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-7%

Potential reduce by 50 B

  • Original 756 B
  • After minification 755 B
  • After compression 706 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

-68%

Potential reduce by 13.2 kB

  • Original 19.4 kB
  • After minification 17.5 kB
  • After compression 6.3 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. Ccen.net needs all CSS files to be minified and compressed as it can save up to 13.2 kB or 68% of the original size.

Requests Breakdown

Number of requests can be reduced by 69 (38%)

Requests Now

183

After Optimization

114

The browser has sent 183 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ccen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

ccen.net accessibility score

69

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

ccen.net 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

ccen.net 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

    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 Ccen.net 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 Ccen.net 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

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