Tools & Wizards About Us
440b.net screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

440b.net

Page Load Speed

42.7 sec in total

First Response

9.8 sec

Resources Loaded

32.5 sec

Page Rendered

433 ms

440b.net screenshot

About Website

Welcome to 440b.net homepage info - get ready to check 440 B best content right away, or after learning these important things about 440b.net

苏州/模宝商城是国内宝钢,太钢等知名钢厂合作单位【配置专线:0512-67879056】，提供440b,440不锈钢板,440不锈钢丝,440不锈钢管,440不锈钢带,440不锈钢棒等材料价格报价\切割-加工-配送为一体的配货服务。专业供应各类型圆钢 钢板 钢管 模具钢 无缝钢管 钢棒 不锈钢等材料价格报价

Visit 440b.net

Key Findings

We analyzed 440b.net page load time and found that the first response time was 9.8 sec and then it took 32.9 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 were 6 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

440b.net performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

6/100

10%

LCP (Largest Contentful Paint)

Value15.1 s

0/100

25%

SI (Speed Index)

Value15.2 s

1/100

10%

TBT (Total Blocking Time)

Value830 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value18.7 s

3/100

10%

Network Requests Diagram

440b.net

9845 ms

common.css

3700 ms

base.js

5063 ms

common.js

3788 ms

form.js

6161 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 77% of them (30 requests) were addressed to the original 440b.net, 3% (1 request) were made to Js.users.51.la and 3% (1 request) were made to Mouldu.com.cn. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain 440b.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 118.1 kB (45%)

Content Size

261.8 kB

After Optimization

143.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 440b.net main page is 261.8 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. Only 5% of websites need less resources to load. Images take 141.8 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 20.1 kB

  • Original 26.1 kB
  • After minification 25.2 kB
  • After compression 6.0 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 20.1 kB or 77% of the original size.

Image Optimization

-25%

Potential reduce by 34.9 kB

  • Original 141.8 kB
  • After minification 106.9 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. Obviously, 440 B needs image optimization as it can save up to 34.9 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 58.3 kB

  • Original 87.1 kB
  • After minification 70.7 kB
  • After compression 28.8 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 58.3 kB or 67% of the original size.

CSS Optimization

-70%

Potential reduce by 4.8 kB

  • Original 6.8 kB
  • After minification 5.7 kB
  • After compression 2.0 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. 440b.net needs all CSS files to be minified and compressed as it can save up to 4.8 kB or 70% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (62%)

Requests Now

29

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 440 B. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

440b.net

440b.net

9845 ms

common.css

common.css

3700 ms

base.js

base.js

5063 ms

common.js

common.js

3788 ms

form.js

form.js

6161 ms

blockui.js

blockui.js

5498 ms

searchform_top.css

searchform_top.css

501 ms

searchform.js

searchform.js

488 ms

B.css

B.css

2676 ms

productlist.css

productlist.css

2745 ms

newslist.css

newslist.css

1074 ms

E.css

E.css

1054 ms

17191873.js

17191873.js

1302 ms

gg.js

gg.js

19619 ms

submit.gif

submit.gif

541 ms

1341471972.jpg

1341471972.jpg

12855 ms

1348118691.jpg

1348118691.jpg

20366 ms

234234234.jpg

234234234.jpg

9330 ms

1242280187.jpg

1242280187.jpg

2024 ms

1242279814.jpg

1242279814.jpg

5428 ms

1242358527.jpg

1242358527.jpg

2044 ms

201409281411885090626.jpg

201409281411885090626.jpg

11765 ms

1384315030.jpg

1384315030.jpg

14560 ms

1384314575.jpg

1384314575.jpg

20364 ms

1384314209.jpg

1384314209.jpg

20362 ms

1384313460.jpg

1384313460.jpg

20362 ms

1384313176.jpg

1384313176.jpg

17683 ms

searchtop_bg.jpg

searchtop_bg.jpg

15033 ms

bg.jpg

bg.jpg

19775 ms

top.jpg

top.jpg

19050 ms

top.jpg

top.jpg

20328 ms

li.gif

li.gif

20126 ms

icon_0.gif

icon_0.gif

596 ms

z_stat.php

z_stat.php

2121 ms

stat.htm

stat.htm

207 ms

core.php

core.php

1489 ms

9.gif

9.gif

1015 ms

pic.gif

pic.gif

830 ms

app.gif

app.gif

922 ms

Accessibility Review

440b.net accessibility score

71

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.

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

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

440b.net best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

440b.net SEO score

81

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

    JA

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 440b.net can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed Chinese language. Our system also found out that 440b.net 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

440b.net

Open Graph description is not detected on the main page of 440 B. 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: