Tools & Wizards About Us

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

valve-hg.com

山东阀门_阀门_沪工阀门,锻钢阀门,沪工阀门,阀门,衬氟阀门,电动阀门,气动阀门,特种阀门,化工阀门,冶金阀,水力控制阀,旋塞阀-山东沪工阀门制造股份有限公司

Page Load Speed

9.8 sec in total

First Response

1.3 sec

Resources Loaded

8.3 sec

Page Rendered

213 ms

About Website

Welcome to valve-hg.com homepage info - get ready to check Valve Hg best content right away, or after learning these important things about valve-hg.com

山东沪工阀门制造股份有限公司是专业生产制造闸阀,截止阀,球阀,蝶阀,衬氟阀门,调节阀,旋塞阀,锻钢阀门,水力控制阀等通用阀门的厂家.山东沪工阀门位于世界风筝之都-潍坊,集研发,制造,销售,服务于一体的专业阀门制造企业.

Visit valve-hg.com

Key Findings

We analyzed Valve-hg.com page load time and found that the first response time was 1.3 sec and then it took 8.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

valve-hg.com performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value24.6 s

0/100

25%

SI (Speed Index)

Value9.9 s

10/100

10%

TBT (Total Blocking Time)

Value420 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.049

99/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

Network Requests Diagram

valve-hg.com

1304 ms

layout.css

261 ms

jquery.js

492 ms

jquery.kc.js

717 ms

lrtk.css

506 ms

Our browser made a total of 123 requests to load all elements on the main page. We found that 83% of them (102 requests) were addressed to the original Valve-hg.com, 8% (10 requests) were made to Bdimg.share.baidu.com and 7% (8 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Valve-hg.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (19%)

Content Size

5.7 MB

After Optimization

4.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Valve-hg.com main page is 5.7 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 5.3 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 62.3 kB

  • Original 71.5 kB
  • After minification 67.5 kB
  • After compression 9.2 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 62.3 kB or 87% of the original size.

Image Optimization

-19%

Potential reduce by 993.2 kB

  • Original 5.3 MB
  • After minification 4.3 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. Obviously, Valve Hg needs image optimization as it can save up to 993.2 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-9%

Potential reduce by 29.0 kB

  • Original 319.5 kB
  • After minification 319.5 kB
  • After compression 290.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-29%

Potential reduce by 2.5 kB

  • Original 8.7 kB
  • After minification 8.7 kB
  • After compression 6.2 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. Valve-hg.com needs all CSS files to be minified and compressed as it can save up to 2.5 kB or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (26%)

Requests Now

120

After Optimization

89

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 120 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Valve Hg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

valve-hg.com accessibility score

76

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

Links do not have a discernible name

High

<object> elements do not have alternate text

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

valve-hg.com 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

valve-hg.com SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Document uses plugins

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 Valve-hg.com 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 Valve-hg.com 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 Valve Hg. 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: