I4.cn Site Title
I4.cn Test Results
I4.cn Mobile Usability: 65/100
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.
爱思官网renders only 5 pixels tall (12 CSS pixels).
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 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="http://www.i4.cn/" class="topnav_lnk">爱思官网</a>is close to 1 other tap targets.
I4.cn Mobile Speed: 39/100
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 689.8KiB (80% reduction).
Compressing and resizing http://d.image.i4.cn/image/icon/2016/10/07/11/996509117/z1475810574327_544320.jpg could save 53KiB (96% reduction).
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://d.image.i4.cn/i4web/image/1439777132396.png (expiration not specified)
Your page has 4 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
Minifying http://d.image.i4.cn/i4web/static/js/jquery.easing.1.3.js could save 1.1KiB (58% reduction) after 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 1.6KiB (57% reduction).
Compressing http://static.anquan.org/static/outer/js/aq_auth.js could save 1.6KiB (57% reduction).
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 775B (11% reduction).
Minifying http://d.image.i4.cn/i4web/static/css/global.css?v=104 could save 775B (11% reduction) after compression.