Tools & Wizards About Us
bj.cn2che.com screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 0

    SEO

bj.cn2che.com

二手车_二手车交易市场_二手车城_专业的二手汽车交易网站

Page Load Speed

21.4 sec in total

First Response

407 ms

Resources Loaded

20.7 sec

Page Rendered

276 ms

bj.cn2che.com screenshot

About Website

Welcome to bj.cn2che.com homepage info - get ready to check Bj Cn 2 Che best content for China right away, or after learning these important things about bj.cn2che.com

北京二手车交易市场网每天有许多北京买二手车信息，大量北京个人二手车出售，有出售北京二手货车、二手商务车、二手皮卡车，有专业北京二手车评估保障，欢迎大家来北京二手车批发市场买卖二手车。

Visit bj.cn2che.com

Key Findings

We analyzed Bj.cn2che.com page load time and found that the first response time was 407 ms and then it took 21 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

bj.cn2che.com performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value17.0 s

0/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

bj.cn2che.com

407 ms

baseStyle.css

143 ms

cn2che.css

125 ms

adsbygoogle.js

115 ms

loginstate.aspx

124 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 78% of them (57 requests) were addressed to the original Bj.cn2che.com, 8% (6 requests) were made to Hm.baidu.com and 7% (5 requests) were made to Pic.cn2che.com. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Pic.cn2che.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 388.8 kB (31%)

Content Size

1.2 MB

After Optimization

848.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bj.cn2che.com 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. 40% of websites need less resources to load. Images take 656.6 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 72.3 kB

  • Original 86.1 kB
  • After minification 75.8 kB
  • After compression 13.8 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 10.4 kB, which is 12% 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 72.3 kB or 84% of the original size.

Image Optimization

-21%

Potential reduce by 141.1 kB

  • Original 656.6 kB
  • After minification 515.5 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, Bj Cn 2 Che needs image optimization as it can save up to 141.1 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-29%

Potential reduce by 129.8 kB

  • Original 442.0 kB
  • After minification 441.8 kB
  • After compression 312.2 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 129.8 kB or 29% of the original size.

CSS Optimization

-86%

Potential reduce by 45.6 kB

  • Original 52.8 kB
  • After minification 37.1 kB
  • After compression 7.3 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. Bj.cn2che.com needs all CSS files to be minified and compressed as it can save up to 45.6 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (29%)

Requests Now

68

After Optimization

48

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bj Cn 2 Che. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

bj.cn2che.com

bj.cn2che.com

407 ms

baseStyle.css

baseStyle.css

143 ms

cn2che.css

cn2che.css

125 ms

adsbygoogle.js

adsbygoogle.js

115 ms

loginstate.aspx

loginstate.aspx

124 ms

tongji.js

tongji.js

132 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

210 ms

distpicker.data.min.js

distpicker.data.min.js

217 ms

distpicker.min.js

distpicker.min.js

208 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

208 ms

jquery.rTabs.js

jquery.rTabs.js

209 ms

cn2che.js

cn2che.js

224 ms

cn2che-index.js

cn2che-index.js

244 ms

ad.css

ad.css

244 ms

floatingAd.js

floatingAd.js

302 ms

hm.js

hm.js

438 ms

hm.js

hm.js

437 ms

nopic.jpg

nopic.jpg

11364 ms

tel-ico.png

tel-ico.png

440 ms

logo.png

logo.png

854 ms

location-ico.png

location-ico.png

448 ms

location-ico2.png

location-ico2.png

948 ms

loading.gif

loading.gif

491 ms

banner8.jpg

banner8.jpg

1377 ms

carBrand_01.jpg

carBrand_01.jpg

501 ms

carBrand_02.jpg

carBrand_02.jpg

509 ms

carBrand_03.jpg

carBrand_03.jpg

551 ms

carBrand_04.jpg

carBrand_04.jpg

562 ms

carBrand_05.jpg

carBrand_05.jpg

571 ms

carBrand_06.jpg

carBrand_06.jpg

612 ms

carBrand_07.jpg

carBrand_07.jpg

624 ms

carBrand_08.jpg

carBrand_08.jpg

633 ms

carBrand_09.jpg

carBrand_09.jpg

673 ms

carBrand_10.jpg

carBrand_10.jpg

686 ms

carBrand_11.jpg

carBrand_11.jpg

696 ms

carBrand_12.jpg

carBrand_12.jpg

735 ms

carBrand_13.jpg

carBrand_13.jpg

750 ms

carBrand_14.jpg

carBrand_14.jpg

759 ms

carBrand_15.jpg

carBrand_15.jpg

796 ms

carType_01.jpg

carType_01.jpg

811 ms

carType_02.jpg

carType_02.jpg

820 ms

carType_03.jpg

carType_03.jpg

856 ms

carType_04.jpg

carType_04.jpg

872 ms

carType_05.jpg

carType_05.jpg

881 ms

20131121165856869.jpg

20131121165856869.jpg

8516 ms

20190617200441779.png

20190617200441779.png

13750 ms

20190326204905246.jpg

20190326204905246.jpg

14907 ms

20210206175657714.png

20210206175657714.png

20116 ms

show_ads_impl.js

show_ads_impl.js

234 ms

carType_06.jpg

carType_06.jpg

870 ms

carType_07.jpg

carType_07.jpg

874 ms

carType_08.jpg

carType_08.jpg

889 ms

carType_12.jpg

carType_12.jpg

890 ms

carType_13.jpg

carType_13.jpg

913 ms

regionconfig.js

regionconfig.js

1610 ms

carType_15.jpg

carType_15.jpg

934 ms

carType_16.jpg

carType_16.jpg

922 ms

fbIco.png

fbIco.png

1213 ms

tab-nav-bg.png

tab-nav-bg.png

1753 ms

zrt_lookup.html

zrt_lookup.html

39 ms

ads

ads

84 ms

hm.js

hm.js

942 ms

hm.js

hm.js

961 ms

ad3.jpg

ad3.jpg

620 ms

wantbuy_bg.jpg

wantbuy_bg.jpg

1480 ms

appCode.jpg

appCode.jpg

1147 ms

wechatCode.jpg

wechatCode.jpg

1447 ms

footTel.jpg

footTel.jpg

1446 ms

beianico.png

beianico.png

1148 ms

hm.gif

hm.gif

327 ms

hm.gif

hm.gif

309 ms

join201406.gif

join201406.gif

1721 ms

prev-next.png

prev-next.png

926 ms

Accessibility Review

bj.cn2che.com accessibility score

43

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.

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

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

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

bj.cn2che.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

bj.cn2che.com SEO score

0

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bj.cn2che.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Bj.cn2che.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

bj.cn2che.com

Open Graph description is not detected on the main page of Bj Cn 2 Che. 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: