Th7.cn Site Title

第七城市

Th7.cn Meta Description

第七城市是国内最全的免费教程学习类平台。提供编程开发、数据库设计、电脑秘籍、办公应用、设计教程、作品赏析等多个栏目资料,学电脑,学编程,找教程,发现设计灵感尽在第七城市。

Th7.cn Test Results

Th7.cn Mobile Usability: 59/100

Quick overview:
Use legible font sizes
The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.
The following text fragments have a small font size. Increase the font size to make them more legible.
程序编程学习 and 2 others render only 7 pixels tall (17 CSS pixels).
...
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 <a href="" class="bd-logo"> is close to 6 other tap targets.
...
Configure the viewport
Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.
Size content to viewport
The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.
The page content is 1,000 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:
The element <div class="userbar">Email:service@7-inc.com</div> falls outside the viewport.
...

Th7.cn Mobile Speed: 57/100

Quick overview:
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://th7.cn/d/file/p/2016/08/02/small12d005d9cf94271598e55e69734ea7cc1470115272.jpg (expiration not specified)
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 5 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://cdn.bootcss.com/jquery/1.9.1/jquery.min.js
...
Optimize CSS Delivery of the following:
http://dn-th7js.qbox.me/sanda2015/css/base.css
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 71.1KiB (31% reduction).
Losslessly compressing http://th7.cn/images/beian-ga.png could save 17.4KiB (92% reduction).
...

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