Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

clb.org.cn

中国物流招标网

Page Load Speed

31.2 sec in total

First Response

1.3 sec

Resources Loaded

29.6 sec

Page Rendered

304 ms

clb.org.cn screenshot

About Website

Welcome to clb.org.cn homepage info - get ready to check Clb best content right away, or after learning these important things about clb.org.cn

物流招标网在物流网行业排首位有大量全国物流招标信息网站提供物流运输与配送、物流采购与设备、物流货源与专线、仓储中心、人才物流招聘、物流企业、物流知识培训、物物流联盟等物流信息服务,打造诚信的全国物流信息综合大平台!

Visit clb.org.cn

Key Findings

We analyzed Clb.org.cn page load time and found that the first response time was 1.3 sec and then it took 29.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

clb.org.cn performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.2 s

0/100

25%

SI (Speed Index)

Value19.7 s

0/100

10%

TBT (Total Blocking Time)

Value10,340 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value28.1 s

0/100

10%

Network Requests Diagram

clb.org.cn

1251 ms

clb.org.cn

3676 ms

main

6720 ms

61713297.jpg

3215 ms

%E9%A6%96%E9%A1%B5_A1_1.js

1267 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 51% of them (41 requests) were addressed to the original Clb.org.cn, 48% (39 requests) were made to Img.clb.org.cn and 1% (1 request) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Img.clb.org.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 240.3 kB (19%)

Content Size

1.3 MB

After Optimization

1.0 MB

In fact, the total size of Clb.org.cn main page is 1.3 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. 25% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 64.8 kB

  • Original 82.9 kB
  • After minification 70.9 kB
  • After compression 18.1 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 12.0 kB, which is 14% 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 64.8 kB or 78% of the original size.

Image Optimization

-15%

Potential reduce by 174.8 kB

  • Original 1.2 MB
  • After minification 1.0 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. Obviously, Clb needs image optimization as it can save up to 174.8 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-11%

Potential reduce by 701 B

  • Original 6.3 kB
  • After minification 6.2 kB
  • After compression 5.6 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 701 B or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (33%)

Requests Now

70

After Optimization

47

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Clb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

clb.org.cn accessibility score

81

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

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.

Best Practices

clb.org.cn best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Missing source maps for large first-party JavaScript

SEO Factors

clb.org.cn SEO score

77

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

High

robots.txt is not valid

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

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Clb.org.cn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Chinese. Our system also found out that Clb.org.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

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