Access cecb2b.com. 元器件交易网-IC交易网-电子元器件交易实体市场，提供全程保障

cecb2b.com screenshot

39

Performance

Renders faster than
59% of other websites
69

Accessibility

Visual factors better than
that of 35% of websites
58

Best Practices

More advanced features
available than in
19% of websites
62

SEO

Google-friendlier than
22% of websites

First Response

876 ms

Resources Loaded

8.6 sec

Page Rendered

475 ms

cecb2b.com screenshot

About Website

Welcome to cecb2b.com homepage info - get ready to check Cecb 2 B best content for China right away, or after learning these important things about cecb2b.com

元器件交易网（cecb2b.com）是中发网全新升级平台，立足电子元器件行业，在全国十大专业电子市场联盟的基础上，集合线下及线上最广大的买家和卖家资源，利用最先进的互联网技术和产品服务，全面提升电子元器件企业的价值体系，元器件交易网是电子市场联盟唯一指定商务平台。“实体市场，全程保障”，这是元器件交易网成为电子行业最优秀电子商务平台的根本所在，也是元器件交易网针对广大采购用户提出的安全交易承诺。

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Key Findings

We analyzed Cecb2b.com page load time and found that the first response time was 876 ms and then it took 9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value410 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

cecb2b.com

876 ms

www.cecb2b.com

1521 ms

reset.css

642 ms

header_cecb2bfoot.css

642 ms

header-nav.css

643 ms

Our browser made a total of 160 requests to load all elements on the main page. We found that 14% of them (22 requests) were addressed to the original Cecb2b.com, 53% (84 requests) were made to Images.cecb2b.com and 28% (45 requests) were made to Ads.cecb2b.com. The less responsive or slowest element that took the longest time to load (4.2 sec) relates to the external source Images.cecb2b.com.

Content Size

2.8 MB

After Optimization

2.2 MB

In fact, the total size of Cecb2b.com main page is 2.8 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. 55% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 309.5 kB

Original 339.6 kB
After minification 253.5 kB
After compression 30.0 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 86.0 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 309.5 kB or 91% of the original size.

Image Optimization

-5%

Potential reduce by 112.0 kB

Original 2.3 MB
After minification 2.1 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. Cecb 2 B images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 110.5 kB

Original 157.9 kB
After minification 138.0 kB
After compression 47.4 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 110.5 kB or 70% of the original size.

CSS Optimization

-83%

Potential reduce by 56.6 kB

Original 68.4 kB
After minification 49.3 kB
After compression 11.8 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. Cecb2b.com needs all CSS files to be minified and compressed as it can save up to 56.6 kB or 83% of the original size.

Requests Now

153

After Optimization

137

The browser has sent 153 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cecb 2 B. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 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 experience of reading tabular or list data using assistive technology, like a screen reader.

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

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

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

ZH
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cecb2b.com 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 Cecb2b.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

cecb2b.com

Open Graph description is not detected on the main page of Cecb 2 B. 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: