Access buildnet.cn. 建设网_工程信息网|招标采购|招投标|建设工程

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value550 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0.202

61/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

buildnet.cn

1505 ms

reset.css

488 ms

partialHeader.css

733 ms

index.css

980 ms

function.css

489 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 67% of them (53 requests) were addressed to the original Buildnet.cn, 11% (9 requests) were made to Res.buildnet.cn and 4% (3 requests) were made to S.union.360.cn. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Buildnet.cn.

Content Size

3.1 MB

After Optimization

2.8 MB

In fact, the total size of Buildnet.cn main page is 3.1 MB. 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. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 165.8 kB

Original 187.2 kB
After minification 102.2 kB
After compression 21.4 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 85.0 kB, which is 45% 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 165.8 kB or 89% of the original size.

Image Optimization

-5%

Potential reduce by 123.1 kB

Original 2.7 MB
After minification 2.6 MB

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. Buildnet images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 23.2 kB

Original 213.5 kB
After minification 213.4 kB
After compression 190.2 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 23.2 kB or 11% of the original size.

CSS Optimization

-40%

Potential reduce by 8.0 kB

Original 20.0 kB
After minification 20.0 kB
After compression 12.1 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. Buildnet.cn needs all CSS files to be minified and compressed as it can save up to 8.0 kB or 40% of the original size.

Requests Now

After Optimization

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Buildnet. 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 from 5 to 1 for CSS 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

Links do not have a discernible name

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

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

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

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 Buildnet.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 Buildnet.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

buildnet.cn

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

建设网_工程信息网|招标采购|招投标|建设工程_工程信息服务平台

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

buildnet.cn

reset.css

partialHeader.css

index.css

function.css

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

buildnet.cn

reset.css

partialHeader.css

index.css

function.css

jquery-1.11.1.min.js

index-lunbo.js

jquery.placeholder.js

myJs.js

jquery.SuperSlide.2.1.1.js

57546.js

floatQR.js

floatQR.css

stat.php

s.gif

vvcodeImg

gc-wx.jpg

zhanzhang.png

beian.png

icon_07.png

icon_14.png

tel-online.png

icon_19.png

icon_22.png

icon_27.png

icon_30.png

ico.png

shengming.png

banner-zcm.png

ad.jpg

ban-gc.jpg

ban-cz.jpg

icon_5654f5ca.png

zcm_long_banner.png

tender_03.png

tender_05.png

tender_07.png

icon_46.png

ad-hz.jpg

ft-logo.png

ZcmTopEnterprise

gotop.png

tel.png