Access ccgas.net. 燃气设备-燃气调压器-燃气调压箱-LNG气化站-CNG减压撬-深圳亚威华经营燃气设备二十六年|实训设备|ACD低温泵

ccgas.net screenshot

81

Performance

Renders faster than
87% of other websites
40

Accessibility

Visual factors better than
that of 18% of websites
50

Best Practices

More advanced features
available than in
18% of websites
50

SEO

Google-friendlier than
18% of websites

First Response

2.4 sec

Resources Loaded

14.1 sec

Page Rendered

467 ms

ccgas.net screenshot

About Website

Welcome to ccgas.net homepage info - get ready to check Ccgas best content right away, or after learning these important things about ccgas.net

深圳亚威华燃气设备公司从1995年至今经营燃气调压设备4000897166,主要:燃气设备配件,燃气调压器,实训设备,ACD低温泵,燃气调压箱柜,LNG气化站,CNG减压撬,分输站,燃气门站,燃机阀组,旋风过滤分离和管道收发球筒,天然气净化等装备。

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Key Findings

We analyzed Ccgas.net page load time and found that the first response time was 2.4 sec and then it took 14.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

79/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.165

71/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

ccgas.net

2430 ms

gascss.css

1194 ms

title5.gif

928 ms

201836231514.jpg

1515 ms

2016823220108.jpg

1280 ms

Our browser made a total of 169 requests to load all elements on the main page. We found that 95% of them (160 requests) were addressed to the original Ccgas.net, 2% (3 requests) were made to Hm.baidu.com and 1% (2 requests) were made to Szcert.ebs.org.cn. The less responsive or slowest element that took the longest time to load (8.9 sec) belongs to the original domain Ccgas.net.

Content Size

1.0 MB

After Optimization

899.1 kB

In fact, the total size of Ccgas.net main page is 1.0 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. 35% of websites need less resources to load. Images take 871.8 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 60.1 kB

Original 76.5 kB
After minification 70.5 kB
After compression 16.4 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 60.1 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 16.8 kB

Original 871.8 kB
After minification 855.0 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. Ccgas images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 49.4 kB

Original 74.7 kB
After minification 74.4 kB
After compression 25.3 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 49.4 kB or 66% of the original size.

CSS Optimization

-76%

Potential reduce by 7.6 kB

Original 10.0 kB
After minification 8.8 kB
After compression 2.4 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.net needs all CSS files to be minified and compressed as it can save up to 7.6 kB or 76% of the original size.

Requests Now

163

After Optimization

137

The browser has sent 163 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.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

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

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

High

Document uses plugins

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

GB2312

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

ccgas.net

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: