51cto.com Site Title

51CTO.COM - 技术成就梦想 - 中国领先的IT技术网站

51cto.com Meta Description

中国领先的IT技术网站51CTO(www.51cto.com)是一个为CTO、IT技术经理、系统工程师、网络工程师、安全工程师、数据库工程师、网络管理员、开发工程师、项目管理人员等IT技术人员搭建的互动媒体平台,主要为IT技术人员提供新闻资讯、技术文档、BBS、博客、技术圈、培训课程、人才交流等专业服务。

51cto.com Test Results

51cto.com Mobile Usability: 99/100

Quick overview:
Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
The tap target <input type="submit" name="" class="sear-2"> is close to 1 other tap targets.

51cto.com Mobile Speed: 51/100

Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 8 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://a.yunshipei.com/b2f7c92731089ee90f2ecee00dbb7121/allmobilize.min.js
...
Optimize CSS Delivery of the following:
http://a.yunshipei.com/b2f7c92731089ee90f2ecee00dbb7121/style.phone.css?1447914550068
...
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://a.yunshipei.com/b2f7c92731089ee90f2ecee00dbb7121/allmobilize.min.js (expiration not specified)
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 41.7KiB (22% reduction).
Losslessly compressing http://s4.51cto.com/wyfs02/M00/82/99/wKiom1dcuECB5UeTAAI5n1v_h7Y014.jpg could save 29.9KiB (21% 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 6.6KiB (60% reduction).
Compressing http://images.51cto.com/images/home/js/ad13.js could save 563B (60% reduction).
...
Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 5.5KiB (20% reduction).
Minifying http://a.yunshipei.com/b2f7c92731089ee90f2ecee00dbb7121/style.phone.css?1447914550068 could save 5.5KiB (20% reduction) after compression.
Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 1.9KiB (27% reduction).
Minifying http://logs.51cto.com/rizhi/count/count.js could save 1.9KiB (27% reduction) after compression.

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