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52down.com Test Results
52down.com 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.
系统软件 and 11 others render only 5 pixels tall (13 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
<input id="wd" name="wd"> is close to 1 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.
52down.com Mobile Speed: 47/100
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://52down.com/ads/Ads_top.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 268KiB (79% reduction).
Compressing and resizing http://52down.com/uploadfile/201505/30/2015053015046742.png could save 182.9KiB (91% reduction).
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 4 blocking script resources and 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.
https://sfhufh2.com/ddqp.js
...
Optimize CSS Delivery of the following:
http://52down.com/images/download.css
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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 57.3KiB (79% reduction).
Compressing http://52down.com/images/download.css could save 29.5KiB (81% reduction).
...
Minify HTML
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Minify HTML for the following resources to reduce their size by 6.5KiB (19% reduction).
Minifying http://52down.com/ could save 6.5KiB (19% 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 3.7KiB (11% reduction).
Minifying http://52down.com/images/download.css could save 3.7KiB (11% reduction).
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