Tools & Wizards About Us
cnbim.com screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

cnbim.com

BIM中文网_cnBIM.com_具有影响力的中文BIM网站

Page Load Speed

29 sec in total

First Response

5 sec

Resources Loaded

23.6 sec

Page Rendered

323 ms

cnbim.com screenshot

About Website

Click here to check amazing CnBIM content for China. Otherwise, check out these important facts you probably never knew about cnbim.com

中国BIM(建筑信息模型)门户平台，为您提供最新最快相关BIM的资讯信息,打造BIM资源免费下载共享平台,刊登最权威的技术指导和专家观点,成为您在三维协同设计、建筑行业信息化道路上的良师益友！

Visit cnbim.com

Key Findings

We analyzed Cnbim.com page load time and found that the first response time was 5 sec and then it took 24 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

cnbim.com performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value3.9 s

89/100

10%

Network Requests Diagram

www.cnbim.com

5032 ms

style.css

811 ms

style001.css

831 ms

style002.css

859 ms

topbar.css

939 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 91% of them (43 requests) were addressed to the original Cnbim.com, 4% (2 requests) were made to Znsv.baidu.com and 4% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (13.7 sec) belongs to the original domain Cnbim.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 145.3 kB (39%)

Content Size

375.7 kB

After Optimization

230.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cnbim.com main page is 375.7 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. 25% of websites need less resources to load. Images take 196.4 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 29.8 kB

  • Original 39.6 kB
  • After minification 36.9 kB
  • After compression 9.9 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. 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 29.8 kB or 75% of the original size.

Image Optimization

-7%

Potential reduce by 13.5 kB

  • Original 196.4 kB
  • After minification 182.9 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. CnBIM images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 42.5 kB

  • Original 63.9 kB
  • After minification 62.8 kB
  • After compression 21.4 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 42.5 kB or 67% of the original size.

CSS Optimization

-79%

Potential reduce by 59.5 kB

  • Original 75.7 kB
  • After minification 69.9 kB
  • After compression 16.2 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. Cnbim.com needs all CSS files to be minified and compressed as it can save up to 59.5 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (39%)

Requests Now

44

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CnBIM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.cnbim.com

www.cnbim.com

5032 ms

style.css

style.css

811 ms

style001.css

style001.css

831 ms

style002.css

style002.css

859 ms

topbar.css

topbar.css

939 ms

script00.js

script00.js

1687 ms

jquery00.js

jquery00.js

3712 ms

text_lin.js

text_lin.js

1680 ms

tinyslid.js

tinyslid.js

1796 ms

index.php

index.php

440 ms

index.php

index.php

872 ms

index.php

index.php

904 ms

index.php

index.php

1075 ms

ajax0000.htm

ajax0000.htm

712 ms

bg.png

bg.png

496 ms

toolbar.png

toolbar.png

828 ms

icon.png

icon.png

3811 ms

logo.png

logo.png

1448 ms

top.jpg

top.jpg

1164 ms

thumb_330_250_20151216085358250.jpg

thumb_330_250_20151216085358250.jpg

6903 ms

thumb_330_250_20151215023142831.png

thumb_330_250_20151215023142831.png

7212 ms

thumb_330_250_20151123014836706.jpg

thumb_330_250_20151123014836706.jpg

2406 ms

thumb_330_250_20151118020020202.jpg

thumb_330_250_20151118020020202.jpg

2191 ms

thumb_330_250_20151015093418711.jpg

thumb_330_250_20151015093418711.jpg

2701 ms

ADjinbode.png

ADjinbode.png

7102 ms

thumb_150_130_20151106100519841.jpg

thumb_150_130_20151106100519841.jpg

3554 ms

thumb_180_160_20160331090536654.jpg

thumb_180_160_20160331090536654.jpg

6345 ms

thumb_180_160_20160315090057457.jpg

thumb_180_160_20160315090057457.jpg

6506 ms

thumb_180_160_20160315094341580.jpg

thumb_180_160_20160315094341580.jpg

6435 ms

thumb_180_160_20160314042921793.png

thumb_180_160_20160314042921793.png

10165 ms

thumb_180_160_20160214125929716.jpeg

thumb_180_160_20160214125929716.jpeg

9611 ms

index.php

index.php

7511 ms

js

js

3347 ms

style002.css

style002.css

9532 ms

g9000000.png

g9000000.png

7827 ms

boxv1.png

boxv1.png

7957 ms

b1000000.gif

b1000000.gif

8334 ms

g1000000.png

g1000000.png

8585 ms

box1.png

box1.png

8971 ms

box2.png

box2.png

9427 ms

PROBIM.jpg

PROBIM.jpg

10758 ms

RNL.jpg

RNL.jpg

12598 ms

GLS.jpg

GLS.jpg

13741 ms

FWSAD.jpg

FWSAD.jpg

11081 ms

h.js

h.js

3142 ms

hm.gif

hm.gif

5131 ms

ping

ping

593 ms

Accessibility Review

cnbim.com accessibility score

45

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.

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

cnbim.com best practices score

50

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

SEO Factors

cnbim.com SEO score

62

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

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 Cnbim.com 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 Cnbim.com 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

cnbim.com

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