O.cn Site Title
广州都市圈网络科技有限公司
O.cn Meta Description
都市圈提供面向智慧城市领域的政府管理决策、企业经营发展、民众生活服务，提供全方位的三维地理信息采集生产、时空地理数据中心建设、行业软件系统开发与集成、互联网运营等服务
O.cn Test Results
o.cn Mobile Usability: 58/100
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.
我们猜您可能在 and 1 others render only 5 pixels tall (12 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 id="ipCity2" href="javascript:void(0)" class="ft14 fw_b">广州</a> is close to 2 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.
Configure a viewport for this page.
o.cn Mobile Speed: 72/100
Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Optimize CSS Delivery of the following:
http://static.gisocn.com/css/citylist/citylist.css
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://www.o.cn/images/%E7%A6%85%E5%9F%8E%E6%97%85%E6%B8%B8%E5%B9%BF%E5%91%8A.png (expiration not specified)
...
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 60.5KiB (64% reduction).
Compressing http://static.o.cn/js/common/jquery183.js could save 58.8KiB (64% reduction).
...
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 544B (20% reduction).
Minifying http://static.gisocn.com/js/postdata.js could save 544B (20% reduction).
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