Access zhuanzhuan.com. 转转_转转二手官方验，买卖二手不一样

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value12.1 s

0/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.137

80/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

zhuanzhuan.com

517 ms

zhuanzhuan.com

860 ms

www.zhuanzhuan.com

504 ms

www.zhuanzhuan.com

889 ms

swiper-site-bundle.min.css

1564 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 29% of them (4 requests) were addressed to the original Zhuanzhuan.com, 57% (8 requests) were made to S1.zhuanstatic.com and 14% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (2.7 sec) relates to the external source S1.zhuanstatic.com.

Content Size

28.5 kB

After Optimization

26.3 kB

In fact, the total size of Zhuanzhuan.com main page is 28.5 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. 15% of websites need less resources to load. CSS take 25.7 kB which makes up the majority of the site volume.

HTML Optimization

-57%

Potential reduce by 1.6 kB

Original 2.8 kB
After minification 2.8 kB
After compression 1.2 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 1.6 kB or 57% of the original size.

CSS Optimization

-2%

Potential reduce by 585 B

Original 25.7 kB
After minification 25.7 kB
After compression 25.1 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. Zhuanzhuan.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zhuanzhuan. 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 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 items highlight common accessibility best practices.

High

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

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

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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/).

High

Document doesn't use legible font sizes

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 Zhuanzhuan.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 Zhuanzhuan.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

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