Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

yizhongalu.com

Aluminium Profile Manufacturer-YiZhong

Page Load Speed

3.6 sec in total

First Response

209 ms

Resources Loaded

3.2 sec

Page Rendered

178 ms

yizhongalu.com screenshot

About Website

Welcome to yizhongalu.com homepage info - get ready to check Yi Zhong Alu best content right away, or after learning these important things about yizhongalu.com

YiZhong integrates R&D, production and sales of custom aluminum extrusions, cleanroom door and window, which was founded in 1996. YiZhong is the most professional and perfect in the clean industry.

Visit yizhongalu.com

Key Findings

We analyzed Yizhongalu.com page load time and found that the first response time was 209 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

yizhongalu.com performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

16/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

Network Requests Diagram

yizhongalu.com

209 ms

www.yizhongalu.com

408 ms

style.css

377 ms

jquery.js

447 ms

Global.js

242 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 95% of them (60 requests) were addressed to the original Yizhongalu.com, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Js.gotostats.cn. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Js.gotostats.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 70.9 kB (29%)

Content Size

248.3 kB

After Optimization

177.5 kB

In fact, the total size of Yizhongalu.com main page is 248.3 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. 20% of websites need less resources to load. Images take 130.9 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 11.2 kB

  • Original 14.7 kB
  • After minification 13.3 kB
  • After compression 3.5 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 11.2 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 163 B

  • Original 130.9 kB
  • After minification 130.8 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. Yi Zhong Alu images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 41.9 kB

  • Original 80.0 kB
  • After minification 77.9 kB
  • After compression 38.1 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 41.9 kB or 52% of the original size.

CSS Optimization

-78%

Potential reduce by 17.6 kB

  • Original 22.7 kB
  • After minification 20.5 kB
  • After compression 5.1 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. Yizhongalu.com needs all CSS files to be minified and compressed as it can save up to 17.6 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (37%)

Requests Now

60

After Optimization

38

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yi Zhong Alu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

yizhongalu.com accessibility score

77

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.

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

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

yizhongalu.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

yizhongalu.com SEO score

92

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

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 Yizhongalu.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 Yizhongalu.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 Yi Zhong Alu. 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: