Tools & Wizards About Us
yzw.cn screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

yzw.cn

云筑网首页-拓展幸福空间

Page Load Speed

4.2 sec in total

First Response

755 ms

Resources Loaded

3.4 sec

Page Rendered

57 ms

yzw.cn screenshot

About Website

Click here to check amazing Yzw content for China. Otherwise, check out these important facts you probably never knew about yzw.cn

云筑网是中建成员企业——中建电子商务有限责任公司响应国家“互联网+”战略在中建集采平台的基础上，依托中建及其战略合作伙伴的庞大稳定的采购需求、优质可靠的供应商资源、高效便捷的金融支持，以“平台化发展、产业链共赢”为主旨，倾力打造的集电子化招标、在线交易、物流整合、供应链融资等服务为一体的专注于建筑行业物资采购领域的垂直电子商务平台。云筑网将对建筑行业开放，成为行业垂直的采购交易和金融服务平台。

Visit yzw.cn

Key Findings

We analyzed Yzw.cn page load time and found that the first response time was 755 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

yzw.cn performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.0 s

1/100

10%

LCP (Largest Contentful Paint)

Value67.6 s

0/100

25%

SI (Speed Index)

Value20.4 s

0/100

10%

TBT (Total Blocking Time)

Value3,930 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value22.6 s

1/100

10%

Network Requests Diagram

yzw.cn

755 ms

yzw.cn

1083 ms

www.yzw.cn

1332 ms

umi.6826e28d.css

186 ms

umi.e41213dc.js

191 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that 60% of them (3 requests) were addressed to the original Yzw.cn, 40% (2 requests) were made to Static.yzw.cn. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Yzw.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 734 B (36%)

Content Size

2.1 kB

After Optimization

1.3 kB

  • HTML
  • CSS

In fact, the total size of Yzw.cn main page is 2.1 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 1.7 kB which makes up the majority of the site volume.

HTML Optimization

-42%

Potential reduce by 720 B

  • Original 1.7 kB
  • After minification 1.7 kB
  • After compression 989 B

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 720 B or 42% of the original size.

CSS Optimization

-4%

Potential reduce by 14 B

  • Original 354 B
  • After minification 354 B
  • After compression 340 B

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. Yzw.cn has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

  • JavaScript
  • CSS

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yzw. According to our analytics all requests are already optimized.

Network Requests Diagram

yzw.cn

yzw.cn

755 ms

yzw.cn

yzw.cn

1083 ms

www.yzw.cn

www.yzw.cn

1332 ms

umi.6826e28d.css

umi.6826e28d.css

186 ms

umi.e41213dc.js

umi.e41213dc.js

191 ms

Accessibility Review

yzw.cn accessibility score

72

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-hidden="true"] elements contain focusable descendents

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

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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

yzw.cn 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

yzw.cn SEO score

82

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

Image elements do not have [alt] attributes

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

    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 Yzw.cn 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 Yzw.cn 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

yzw.cn

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