Access biz.ometal.com. 全国金属网 - 铜铝铅锌锡镍废旧金属钢材供求商机-全球金属网

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value400 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.5 s

59/100

10%

biz.ometal.com

11582 ms

Index.Css

1746 ms

uaredirect.js

482 ms

webico.png

15263 ms

Logo.png

1076 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 28% of them (23 requests) were addressed to the original Biz.ometal.com, 17% (14 requests) were made to Fg.ometal.com and 7% (6 requests) were made to Su.bdimg.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Pic.ometal.com.

Content Size

520.9 kB

After Optimization

223.4 kB

In fact, the total size of Biz.ometal.com main page is 520.9 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. 40% of websites need less resources to load. Javascripts take 366.8 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 63.9 kB

Original 75.5 kB
After minification 62.1 kB
After compression 11.6 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. This page needs HTML code to be minified as it can gain 13.4 kB, which is 18% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 63.9 kB or 85% of the original size.

Image Optimization

-51%

Potential reduce by 33.2 kB

Original 65.6 kB
After minification 32.4 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, Biz Ometal needs image optimization as it can save up to 33.2 kB or 51% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-52%

Potential reduce by 189.9 kB

Original 366.8 kB
After minification 366.7 kB
After compression 176.9 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 189.9 kB or 52% of the original size.

CSS Optimization

-81%

Potential reduce by 10.5 kB

Original 13.0 kB
After minification 12.1 kB
After compression 2.5 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. Biz.ometal.com needs all CSS files to be minified and compressed as it can save up to 10.5 kB or 81% of the original size.

Requests Now

After Optimization

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Biz Ometal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts 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 interpretation of your content by users in different locales.

High

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

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

These items highlight common accessibility best practices.

High

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

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

Serves images with low resolution

Low

Detected JavaScript libraries

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

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/).

High

Document uses legible font sizes

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 Biz.ometal.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 Biz.ometal.com 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

biz.ometal.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

全国金属网 - 铜铝铅锌锡镍废旧金属钢材供求商机-全球金属网

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

biz.ometal.com

Index.Css

uaredirect.js

webico.png

Logo.png

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

biz.ometal.com

Index.Css

uaredirect.js

webico.png

Logo.png

ico3.gif

searchbg.png

postbiz.png

ico.png

400.png

post1.png

post2.png

hots.gif

post3.png

help.gif

ClassBg.png

leftline.png

topnum.png

uf.js

vipcompany.gif

20116980.gif

195548316.gif

194635650.gif

02639122.gif

172241196.png

123728484.png

123952465.png

ls.js

c.js

ls_flowbar.js

home

jcgm

b_tel.png

b_qq.png

adsbygoogle.js

bline.png

ca-pub-7172244503353934.js

zrt_lookup.html

show_ads_impl.js

jquery_a4373ccd.js

ads

osd.js

ico2.gif