Tools & Wizards About Us
yzw.cn screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

yzw.cn

云筑网首页-拓展幸福空间

Page Load Speed

7.4 sec in total

First Response

819 ms

Resources Loaded

6.5 sec

Page Rendered

155 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 819 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

yzw.cn performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value23.9 s

0/100

10%

TBT (Total Blocking Time)

Value180 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value6.4 s

59/100

10%

Network Requests Diagram

yzw.cn

819 ms

yzw.cn

1101 ms

www.yzw.cn

1159 ms

bootstrap.min.css

675 ms

font-awesome.min.css

702 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 95% of them (18 requests) were addressed to the original Yzw.cn, 5% (1 request) were made to Lwres.yzw.cn. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Lwres.yzw.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 43.5 kB (12%)

Content Size

375.0 kB

After Optimization

331.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Yzw.cn main page is 375.0 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. 30% of websites need less resources to load. Images take 297.0 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 4.6 kB

  • Original 6.9 kB
  • After minification 6.0 kB
  • After compression 2.3 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. This page needs HTML code to be minified as it can gain 851 B, which is 12% 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 4.6 kB or 67% of the original size.

Image Optimization

-7%

Potential reduce by 19.4 kB

  • Original 297.0 kB
  • After minification 277.5 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. Yzw images are well optimized though.

JavaScript Optimization

-35%

Potential reduce by 13.4 kB

  • Original 38.6 kB
  • After minification 38.4 kB
  • After compression 25.2 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 13.4 kB or 35% of the original size.

CSS Optimization

-18%

Potential reduce by 6.0 kB

  • Original 32.6 kB
  • After minification 31.7 kB
  • After compression 26.6 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. Yzw.cn needs all CSS files to be minified and compressed as it can save up to 6.0 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (53%)

Requests Now

15

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yzw. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

yzw.cn

yzw.cn

819 ms

yzw.cn

yzw.cn

1101 ms

www.yzw.cn

www.yzw.cn

1159 ms

bootstrap.min.css

bootstrap.min.css

675 ms

font-awesome.min.css

font-awesome.min.css

702 ms

enhome.css

enhome.css

718 ms

GetLanguageResource

GetLanguageResource

716 ms

jquery-1.12.1.min.js

jquery-1.12.1.min.js

1125 ms

language-helper.js

language-helper.js

725 ms

bootstrap.min.js

bootstrap.min.js

888 ms

bootbox.js

bootbox.js

1121 ms

jquery-extension.js

jquery-extension.js

903 ms

jquery.blockUI.js

jquery.blockUI.js

1254 ms

ui.js

ui.js

929 ms

jquery.SuperSlide.2.1.1.js

jquery.SuperSlide.2.1.1.js

1117 ms

bbce0b56-c561-4b87-889a-28146323ef9a.jpg

bbce0b56-c561-4b87-889a-28146323ef9a.jpg

2103 ms

logo_en-us.png

logo_en-us.png

458 ms

icon_pb.png

icon_pb.png

459 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

915 ms

Accessibility Review

yzw.cn accessibility score

54

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

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

Best Practices

yzw.cn best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

yzw.cn SEO score

69

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

Image elements do not have [alt] attributes

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: