Tools & Wizards About Us

Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

ccgas.cn

亚威华天然气网-天然气调压器商务平台、免费发布燃气设备供求信息、免费开网店商铺、免费浏览天然气资讯、燃气调压站、燃气调压柜、燃气调压箱、燃气调压柜、天然气调压器、燃气减压阀、气化器、气化炉、涡轮流量计、罗茨流量计、可燃气体报警器、阻火器、过滤器、LNG加气机

Page Load Speed

14.9 sec in total

First Response

3.9 sec

Resources Loaded

9.5 sec

Page Rendered

1.4 sec

About Website

Click here to check amazing Ccgas content. Otherwise, check out these important facts you probably never knew about ccgas.cn

亚威华天然气调压器网为您提供天然气设备、业界资讯、商务平台（商铺）、供求信息、天然气人才招聘等服务，专业提供天然气设备：天然气调压柜、LNG设备、CNG加气装置、天然气调压计量站、燃气调压器、燃气报警器、流量计、阻火器、电磁阀、燃烧机、天然气减压阀、LNG/LPG气化器、气化炉、混合器、液相切换阀、调压柜、热值仪、阀门、燃气调压柜、燃气调压箱、红外线燃烧器、燃气燃油燃烧机等天然气输配设备。

Visit ccgas.cn

Key Findings

We analyzed Ccgas.cn page load time and found that the first response time was 3.9 sec and then it took 10.9 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

ccgas.cn performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

36/100

25%

SI (Speed Index)

Value7.5 s

26/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value8.9 s

34/100

10%

Network Requests Diagram

ccgas.cn

3941 ms

common.css

725 ms

style.css

969 ms

head.css

499 ms

sinaflash.js

571 ms

Our browser made a total of 125 requests to load all elements on the main page. We found that 90% of them (112 requests) were addressed to the original Ccgas.cn, 2% (3 requests) were made to Hm.baidu.com and 2% (2 requests) were made to Ccgas.net. The less responsive or slowest element that took the longest time to load (4.4 sec) relates to the external source Ccgas.cc.

Page Optimization Overview & Recommendations

Page size can be reduced by 183.4 kB (15%)

Content Size

1.2 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ccgas.cn main page is 1.2 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. 45% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 87.6 kB

  • Original 104.2 kB
  • After minification 97.5 kB
  • After compression 16.6 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 87.6 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 26.7 kB

  • Original 1.0 MB
  • After minification 1.0 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. Ccgas images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 50.8 kB

  • Original 76.9 kB
  • After minification 76.8 kB
  • After compression 26.1 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 50.8 kB or 66% of the original size.

CSS Optimization

-81%

Potential reduce by 18.3 kB

  • Original 22.7 kB
  • After minification 20.1 kB
  • After compression 4.4 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. Ccgas.cn needs all CSS files to be minified and compressed as it can save up to 18.3 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (32%)

Requests Now

117

After Optimization

79

  • Images
  • JavaScript
  • CSS

The browser has sent 117 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ccgas. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

ccgas.cn accessibility score

51

Accessibility Issues

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

High

<object> elements do not have alternate text

Best Practices

ccgas.cn best practices score

50

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

High

Browser errors were logged to the console

SEO Factors

ccgas.cn SEO score

82

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

High

Document uses plugins

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

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ccgas.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 Ccgas.cn 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

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