csdn.net

Mobile Usability

100/100

Good

Mobile Speed

61/100

Bad

Last tested: 2017-08-27

Rescan
csdn.net Mobile Speed: 61/100
csdn.net Mobile Speed Test Quick Overview

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 3 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.
http://www.csdn.net/js/jquery-1.4.2.min.js
http://tjs.sjs.sinajs.cn/open/api/js/wb.js?appkey=
http://ads.csdn.net/js/tracking.js
Optimize CSS Delivery of the following:
http://m.csdn.net/css/news.css
Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://csdn.net/
http://www.csdn.net/
http://m.csdn.net/
Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
http://m.csdn.net/css/news.css (expiration not specified)
http://m.csdn.net/images/btn_bg.png (expiration not specified)
http://m.csdn.net/images/comments_s.png (expiration not specified)
http://m.csdn.net/images/icon_search.png (expiration not specified)
http://m.csdn.net/images/line_bottom.gif (expiration not specified)
http://m.csdn.net/images/logo.png (expiration not specified)
http://m.csdn.net/images/tag_bg.png (expiration not specified)
http://m.csdn.net/images/tit_bg1.gif (expiration not specified)
http://m.csdn.net/images/top_bg.png (expiration not specified)
http://www.csdn.net/js/jquery-1.4.2.min.js (expiration not specified)
http://www.google-analytics.com/ga.js (2 hours)
http://ads.csdn.net/js/async_new.js (24 hours)
http://ads.csdn.net/js/tracking.js (24 hours)
Optimize images

Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 7.7KiB (62% reduction).
Compressing http://m.csdn.net/images/btn_bg.png could save 2.6KiB (92% reduction).
Compressing http://m.csdn.net/images/logo.png could save 1.5KiB (30% reduction).
Compressing http://m.csdn.net/images/line_bottom.gif could save 1,022B (93% reduction).
Compressing http://m.csdn.net/images/icon_search.png could save 941B (72% reduction).
Compressing http://m.csdn.net/images/tag_bg.png could save 889B (80% reduction).
Compressing http://m.csdn.net/images/comments_s.png could save 884B (74% reduction).
Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 5.3KiB (70% reduction).
Compressing http://m.csdn.net/main_json.html/1?jsonpcallback=backdata&reload=1 could save 5.3KiB (70% reduction).

csdn.net Mobile Resources


Total Resources21
Number of Hosts6
Static Resources14
JavaScript Resources7
CSS Resources1

csdn.net Mobile Resource Breakdown