Tools & Wizards About Us
ctw.net.cn screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

ctw.net.cn

中国招标投标网

Page Load Speed

11 sec in total

First Response

670 ms

Resources Loaded

9.8 sec

Page Rendered

576 ms

ctw.net.cn screenshot

About Website

Welcome to ctw.net.cn homepage info - get ready to check Ctw best content right away, or after learning these important things about ctw.net.cn

中国招标投标网（https://www.cecbid.org.cn）是工业和信息化部直属单位固定资产投资项目招标信息指定发布媒体！创办于2002年9月，由《中国招标》杂志社有限公司主办，是大型招标采购信息发布平台之一。

Visit ctw.net.cn

Key Findings

We analyzed Ctw.net.cn page load time and found that the first response time was 670 ms and then it took 10.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

ctw.net.cn performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

ctw.net.cn

670 ms

www.cecbid.org.cn

1578 ms

bootstrap.min.css

1244 ms

font-awesome.min.css

1063 ms

site_2022.css

1070 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Ctw.net.cn, 53% (36 requests) were made to Cdn.cecbid.org.cn and 15% (10 requests) were made to Zbpx.zbtb.org.cn. The less responsive or slowest element that took the longest time to load (4.7 sec) relates to the external source Cdn.cecbid.org.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 156.5 kB (5%)

Content Size

3.0 MB

After Optimization

2.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ctw.net.cn main page is 3.0 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. 50% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 65.2 kB

  • Original 79.1 kB
  • After minification 66.8 kB
  • After compression 13.9 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 12.3 kB, which is 16% 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 65.2 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 85.0 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. Ctw images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 6.1 kB

  • Original 179.1 kB
  • After minification 179.1 kB
  • After compression 173.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 247 B

  • Original 32.4 kB
  • After minification 32.4 kB
  • After compression 32.1 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. Ctw.net.cn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (15%)

Requests Now

66

After Optimization

56

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ctw. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

ctw.net.cn

ctw.net.cn

670 ms

www.cecbid.org.cn

www.cecbid.org.cn

1578 ms

bootstrap.min.css

bootstrap.min.css

1244 ms

font-awesome.min.css

font-awesome.min.css

1063 ms

site_2022.css

site_2022.css

1070 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

1297 ms

popper-1.14.7.min.js

popper-1.14.7.min.js

1073 ms

bootstrap.js

bootstrap.js

1911 ms

ds.js

ds.js

1256 ms

jquery.SuperSlide2.1.2.js

jquery.SuperSlide2.1.2.js

1721 ms

search_common.js

search_common.js

1907 ms

jquery.min.js

jquery.min.js

2342 ms

cms.js

cms.js

2107 ms

index_F.js

index_F.js

2371 ms

tel.js

tel.js

212 ms

logo.png

logo.png

601 ms

wx_cecbid.jpg

wx_cecbid.jpg

851 ms

wx_ctw.jpg

wx_ctw.jpg

838 ms

wall_b1.png

wall_b1.png

1045 ms

wall_mte.png

wall_mte.png

1048 ms

title-bg.png

title-bg.png

1262 ms

edu.jpg

edu.jpg

2135 ms

index.php

index.php

1125 ms

f3-3.jpg

f3-3.jpg

1615 ms

f2-2.png

f2-2.png

1639 ms

f2-3.png

f2-3.png

1828 ms

f2-1.png

f2-1.png

2091 ms

f2-5.png

f2-5.png

2687 ms

f2-6.png

f2-6.png

2663 ms

f2-7.png

f2-7.png

2464 ms

f2-8.png

f2-8.png

2658 ms

index.php

index.php

1127 ms

index.php

index.php

1140 ms

index.php

index.php

1146 ms

1.jpg

1.jpg

1540 ms

2.jpg

2.jpg

1880 ms

3.jpg

3.jpg

2215 ms

4.jpg

4.jpg

2384 ms

62.jpg

62.jpg

2521 ms

66.jpg

66.jpg

2392 ms

67.jpg

67.jpg

2503 ms

117.jpg

117.jpg

2439 ms

73.jpg

73.jpg

2562 ms

118.jpg

118.jpg

2669 ms

dangshi.jpg

dangshi.jpg

3108 ms

f3-1.jpg

f3-1.jpg

3156 ms

f3-L2.jpg

f3-L2.jpg

3485 ms

f2-4.png

f2-4.png

3663 ms

credit-search.jpg

credit-search.jpg

3688 ms

f4-1.jpg

f4-1.jpg

4161 ms

f4-2.jpg

f4-2.jpg

4511 ms

index.php

index.php

1193 ms

2024-forum.jpg

2024-forum.jpg

2366 ms

cankaomulu.jpg

cankaomulu.jpg

4689 ms

index.php

index.php

1223 ms

index.php

index.php

1160 ms

ghs.png

ghs.png

4522 ms

auto_dup

auto_dup

1374 ms

wall_b1.png

wall_b1.png

2702 ms

wall_b2.png

wall_b2.png

2067 ms

wall_b3.png

wall_b3.png

1899 ms

wall_b4.png

wall_b4.png

2376 ms

wall_b5.png

wall_b5.png

2752 ms

20da.jpg

20da.jpg

3640 ms

site_index_xuanchuance.jpg

site_index_xuanchuance.jpg

2037 ms

1bbbf3cf0901476ca568b3af945f010a.png

1bbbf3cf0901476ca568b3af945f010a.png

3454 ms

5a3de15bfbd74390accb81272dbc09db.jpg

5a3de15bfbd74390accb81272dbc09db.jpg

3868 ms

79eddd3b46677d2.jpg

79eddd3b46677d2.jpg

4455 ms

Accessibility Review

ctw.net.cn accessibility score

74

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

ctw.net.cn best practices score

58

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

ctw.net.cn SEO score

67

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

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ctw.net.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Ctw.net.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

ctw.net.cn

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