Tools & Wizards About Us
sianvalves.com screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

sianvalves.com

LPG Valve, Industrial Gas, Fire Extinguisher Valve, CGA Valve, CNG Valve – Ningbo Fuhua Valve Co.,Ltd.

Page Load Speed

4.5 sec in total

First Response

319 ms

Resources Loaded

3.3 sec

Page Rendered

856 ms

sianvalves.com screenshot

About Website

Click here to check amazing Sian Valve S content. Otherwise, check out these important facts you probably never knew about sianvalves.com

Ningbo Fuhua Valve Co.,Ltd. is a professional leader China LPG Valve, Industrial Gas, Fire Extinguisher Valve manufacturer with high quality and reasonable price. Welcome to contact us.

Visit sianvalves.com

Key Findings

We analyzed Sianvalves.com page load time and found that the first response time was 319 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

sianvalves.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

36/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value2,570 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.081

94/100

15%

TTI (Time to Interactive)

Value25.4 s

0/100

10%

Network Requests Diagram

www.sianvalves.com

319 ms

tooltipster.css

47 ms

styleMian.css

63 ms

navigation.css

72 ms

style.css

74 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Sianvalves.com, 54% (44 requests) were made to Iprorwxhojjplm5p.leadongcdn.com and 13% (11 requests) were made to Embed.tawk.to. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Iprorwxhojjplm5p.leadongcdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 395.8 kB (11%)

Content Size

3.7 MB

After Optimization

3.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sianvalves.com main page is 3.7 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. 75% 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 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 203.0 kB

  • Original 250.3 kB
  • After minification 250.2 kB
  • After compression 47.3 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 203.0 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 160.7 kB

  • Original 3.1 MB
  • After minification 3.0 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. Sian Valve S images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 31.9 kB

  • Original 292.6 kB
  • After minification 292.6 kB
  • After compression 260.7 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 31.9 kB or 11% of the original size.

CSS Optimization

-12%

Potential reduce by 246 B

  • Original 2.0 kB
  • After minification 2.0 kB
  • After compression 1.7 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. Sianvalves.com needs all CSS files to be minified and compressed as it can save up to 246 B or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (35%)

Requests Now

77

After Optimization

50

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sian Valve S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.sianvalves.com

www.sianvalves.com

319 ms

tooltipster.css

tooltipster.css

47 ms

styleMian.css

styleMian.css

63 ms

navigation.css

navigation.css

72 ms

style.css

style.css

74 ms

rkkoKBprriRljSpomjRliSkkjlkmRliSjlmmqrRljSjrrlrkrpimkoRoiSrqpmromnrorrSRil.css

rkkoKBprriRljSpomjRliSkkjlkmRliSjlmmqrRljSjrrlrkrpimkoRoiSrqpmromnrorrSRil.css

41 ms

js

js

172 ms

css

css

59 ms

analyze.js

analyze.js

840 ms

float_card

float_card

829 ms

speedLazyLoad4.min.js

speedLazyLoad4.min.js

169 ms

banner.jpg

banner.jpg

176 ms

left.png

left.png

491 ms

1euulf6su

1euulf6su

305 ms

line.jpg

line.jpg

182 ms

bottom.jpg

bottom.jpg

251 ms

logo.png

logo.png

151 ms

1.jpg

1.jpg

850 ms

style123tiny.png

style123tiny.png

147 ms

WeChat.jpg

WeChat.jpg

248 ms

banner.jpg

banner.jpg

852 ms

banner.jpg

banner.jpg

318 ms

banner.jpg

banner.jpg

925 ms

banner.jpg

banner.jpg

281 ms

banner.jpg

banner.jpg

380 ms

banner.jpg

banner.jpg

428 ms

juxing.jpg

juxing.jpg

526 ms

01-200-200.png

01-200-200.png

837 ms

1-300-250.jpg

1-300-250.jpg

957 ms

02-200-200.png

02-200-200.png

658 ms

02-300-250.jpg

02-300-250.jpg

866 ms

03-200-200.png

03-200-200.png

1026 ms

03-300-250.jpg

03-300-250.jpg

1013 ms

04-200-200.png

04-200-200.png

955 ms

woshou-300-250.jpg

woshou-300-250.jpg

1080 ms

05-200-200.png

05-200-200.png

1038 ms

zhanhuitupian-300-250.jpg

zhanhuitupian-300-250.jpg

1180 ms

a.jpg

a.jpg

1191 ms

b.jpg

b.jpg

1313 ms

video.jpg

video.jpg

1148 ms

bg.jpg

bg.jpg

1286 ms

DSC07146-200-200.png

DSC07146-200-200.png

1789 ms

08-200-200.png

08-200-200.png

1728 ms

08-200-200.png

08-200-200.png

1793 ms

00000211-200-200.png

00000211-200-200.png

1522 ms

00002239-200-200.png

00002239-200-200.png

2042 ms

1-200-200.jpg

1-200-200.jpg

1476 ms

2-200-200.jpg

2-200-200.jpg

1719 ms

3-200-200.jpg

3-200-200.jpg

1708 ms

news.jpg

news.jpg

1966 ms

right.png

right.png

578 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1757 ms

OPD3.jpg

OPD3.jpg

1840 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYA.ttf

30 ms

iconfont.woff

iconfont.woff

1669 ms

xiyouqiti.jpg

xiyouqiti.jpg

1793 ms

wenzhangfengmian4-kaobei.jpg

wenzhangfengmian4-kaobei.jpg

1693 ms

wenzhangfengmian3-kaobei.jpg

wenzhangfengmian3-kaobei.jpg

1760 ms

7038f5ee-95cd-4382-8ac5-3c50efbde07d.jpg

7038f5ee-95cd-4382-8ac5-3c50efbde07d.jpg

1730 ms

focustech-kefu.css

focustech-kefu.css

238 ms

loader.js

loader.js

256 ms

siteSetting

siteSetting

1063 ms

icon.css

icon.css

40 ms

icon.js

icon.js

117 ms

js

js

52 ms

js

js

99 ms

okki-chat-widget-sdk.iife.js

okki-chat-widget-sdk.iife.js

265 ms

report

report

318 ms

js

js

70 ms

analytics.js

analytics.js

28 ms

collect

collect

75 ms

twk-arr-find-polyfill.js

twk-arr-find-polyfill.js

58 ms

twk-object-values-polyfill.js

twk-object-values-polyfill.js

62 ms

twk-event-polyfill.js

twk-event-polyfill.js

72 ms

twk-iterator-polyfill.js

twk-iterator-polyfill.js

70 ms

twk-main.js

twk-main.js

62 ms

twk-vendor.js

twk-vendor.js

112 ms

twk-chunk-vendors.js

twk-chunk-vendors.js

188 ms

twk-chunk-common.js

twk-chunk-common.js

206 ms

twk-runtime.js

twk-runtime.js

75 ms

twk-app.js

twk-app.js

77 ms

report

report

316 ms

Accessibility Review

sianvalves.com accessibility score

67

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

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

Links do not have a discernible name

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

sianvalves.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

sianvalves.com SEO score

76

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sianvalves.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Sianvalves.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

sianvalves.com

Open Graph description is not detected on the main page of Sian Valve S. 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: