Access bidcenter.com.cn. 采招网--招标网|招标公告|工程招标采购信息

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.5 s

59/100

10%

bidcenter.com.cn

13951 ms

www.bidcenter.com.cn

2909 ms

newindex.css

849 ms

jquery-1.8.2.min.js

2141 ms

loginCommon.js

565 ms

Our browser made a total of 98 requests to load all elements on the main page. We found that 11% of them (11 requests) were addressed to the original Bidcenter.com.cn, 43% (42 requests) were made to Img.caizhaowang.com and 19% (19 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Pos.baidu.com.

Content Size

1.2 MB

After Optimization

591.9 kB

In fact, the total size of Bidcenter.com.cn main page is 1.2 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. 30% of websites need less resources to load. Images take 549.0 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 241.4 kB

Original 276.8 kB
After minification 207.8 kB
After compression 35.5 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. This page needs HTML code to be minified as it can gain 69.0 kB, which is 25% 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 241.4 kB or 87% of the original size.

Image Optimization

-16%

Potential reduce by 85.9 kB

Original 549.0 kB
After minification 463.1 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, Bidcenter needs image optimization as it can save up to 85.9 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 183.2 kB

Original 264.1 kB
After minification 251.3 kB
After compression 80.9 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 183.2 kB or 69% of the original size.

CSS Optimization

-86%

Potential reduce by 76.6 kB

Original 89.0 kB
After minification 65.1 kB
After compression 12.5 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. Bidcenter.com.cn needs all CSS files to be minified and compressed as it can save up to 76.6 kB or 86% of the original size.

Requests Now

After Optimization

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bidcenter. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 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 semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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 experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

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

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 Bidcenter.com.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 Bidcenter.com.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

bidcenter.com.cn

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

采招网--招标网|招标公告|工程招标采购信息

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

bidcenter.com.cn

www.bidcenter.com.cn

newindex.css

jquery-1.8.2.min.js

loginCommon.js

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

bidcenter.com.cn

www.bidcenter.com.cn

newindex.css

jquery-1.8.2.min.js

loginCommon.js

ds.js

SearchHistoryJS.js

copy.js

tj.js

zzsc.js

jquery.hoveraccordion.js

msnewindex.js

ico.gif

xiala_icon.png

logo1.jpg

telephone.jpg

appdownload.png

9bbfcdf3-d3fe-4570-8cd1-4b36d0c25a7b.jpg

phone2.jpg

sjyTuiguang.jpg

tu_tongji.gif

46923ea3-9887-4ea5-ac39-6b67b1547a19.jpg

46a3fcad-d3b5-4f4d-9a24-6357e9f40fbf.jpg

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455f54db-1b9b-4dae-9273-5eac22bb9e9a.jpg

5abc104b-53c8-4cb8-8b29-91d3225d8d37.jpg

sf-wzba_r1_c3.gif

sf-wzba_r1_c5.gif

sf-wzba_r1_c7.gif