Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

51auto.com

【二手车_二手车交易市场_二手车网_二手车交易网】 - 51汽车网

Page Load Speed

39.5 sec in total

First Response

1 sec

Resources Loaded

38.2 sec

Page Rendered

286 ms

About Website

Welcome to 51auto.com homepage info - get ready to check 51 Auto best content for China right away, or after learning these important things about 51auto.com

51汽车网,二手车,真实全面的二手车交易市场车源信息,图片,二手车市场报价及参考价格,拥有精准权威的二手车评估系统,是专业的二手车交易平台,提供二手车报价,二手车评估,商家,认证,个人二手车信息,买卖二手车就上51汽车

Visit 51auto.com

Key Findings

We analyzed 51auto.com page load time and found that the first response time was 1 sec and then it took 38.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

51auto.com performance score

0

Network Requests Diagram

morecity.htm

1035 ms

MoreCity

13268 ms

jquery-1.7.2.js

6603 ms

global_51auto.js

8331 ms

index_51auto.js

3894 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original 51auto.com, 47% (24 requests) were made to Static.51auto.com and 39% (20 requests) were made to Picture.51auto.com. The less responsive or slowest element that took the longest time to load (15 sec) relates to the external source Picture.51auto.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 955.9 kB (48%)

Content Size

2.0 MB

After Optimization

1.0 MB

In fact, the total size of 51auto.com main page is 2.0 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. 20% of websites need less resources to load. Images take 866.8 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 142.9 kB

  • Original 168.2 kB
  • After minification 146.8 kB
  • After compression 25.3 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 21.4 kB, which is 13% 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 142.9 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 11.6 kB

  • Original 866.8 kB
  • After minification 855.2 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. 51 Auto images are well optimized though.

JavaScript Optimization

-85%

Potential reduce by 552.5 kB

  • Original 653.1 kB
  • After minification 405.3 kB
  • After compression 100.6 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 552.5 kB or 85% of the original size.

CSS Optimization

-81%

Potential reduce by 248.9 kB

  • Original 306.6 kB
  • After minification 291.1 kB
  • After compression 57.7 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. 51auto.com needs all CSS files to be minified and compressed as it can save up to 248.9 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (29%)

Requests Now

49

After Optimization

35

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Auto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

SEO Factors

51auto.com SEO score

0

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 51auto.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 51auto.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of 51 Auto. 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: