Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

gatevalve.cn

阀门网 工业阀门,铸钢球阀,锻钢闸阀,美标截止阀,国标止回阀,蝶阀,对夹止回阀,阀门产品,行业标准,工程选型,技术知识

Page Load Speed

35.6 sec in total

First Response

5.4 sec

Resources Loaded

29.8 sec

Page Rendered

380 ms

gatevalve.cn screenshot

About Website

Visit gatevalve.cn now to see the best up-to-date Gatevalve content and also check out these interesting facts you probably never knew about gatevalve.cn

阀门网供应工业钢制球阀,闸阀,截止阀,止回阀,蝶阀,调节阀,电站阀,锻钢阀门等阀门产品,应用于石油、石化、化工、管道等工业,是集产品,资讯,技术手册,工程案例,阀门标准,工程选型,技术知识,展会,电子商务为一体的阀门行业网站。

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Key Findings

We analyzed Gatevalve.cn page load time and found that the first response time was 5.4 sec and then it took 30.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

gatevalve.cn performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value23.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value23.9 s

0/100

25%

SI (Speed Index)

Value49.1 s

0/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value23.6 s

1/100

10%

Network Requests Diagram

gatevalve.cn

5393 ms

style.css.asp

1330 ms

common.js

3690 ms

c_html_js_add.asp

2696 ms

custom.js

1753 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 93% of them (37 requests) were addressed to the original Gatevalve.cn, 5% (2 requests) were made to Hm.baidu.com and 3% (1 request) were made to Znsv.baidu.com. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Znsv.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 182.8 kB (47%)

Content Size

390.0 kB

After Optimization

207.2 kB

In fact, the total size of Gatevalve.cn main page is 390.0 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. Javascripts take 214.9 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 23.0 kB

  • Original 30.1 kB
  • After minification 29.3 kB
  • After compression 7.1 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 23.0 kB or 76% of the original size.

Image Optimization

-5%

Potential reduce by 5.9 kB

  • Original 130.9 kB
  • After minification 125.0 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. Gatevalve images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 142.9 kB

  • Original 214.9 kB
  • After minification 207.7 kB
  • After compression 72.0 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 142.9 kB or 66% of the original size.

CSS Optimization

-78%

Potential reduce by 11.0 kB

  • Original 14.1 kB
  • After minification 12.2 kB
  • After compression 3.1 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. Gatevalve.cn needs all CSS files to be minified and compressed as it can save up to 11.0 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (34%)

Requests Now

38

After Optimization

25

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gatevalve. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

gatevalve.cn accessibility score

55

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

gatevalve.cn best practices score

75

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

SEO Factors

gatevalve.cn SEO score

100

Search Engine Optimization Advices

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

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 Gatevalve.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 Gatevalve.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

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