Site Title

「三一重工集团」挖掘机,起重机,压路机,打桩机装备制造领域国际领先企业,三一品质改变世界 Meta Description

三一集团生产起重机,打桩机,挖掘机,混凝土搅拌站搅拌车泵车,压路机,平地机,摊铺机,平地机等机械设备并销往全球100多个国家,是装备制造业的领先企业。 Test Results Mobile Usability: 57/100

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.
三一官网 renders only 5 pixels tall (14 CSS pixels).
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 1,200 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:
The element <i class="icon"></i> falls outside the viewport.
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="fl">产品中心</a> and 3 others are close to 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. Mobile Speed: 65/100

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: (expiration not specified)
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 4 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 31.1KiB (43% reduction).
Compressing could save 17.2KiB (93% 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 13.6KiB (60% reduction).
Compressing could save 13.6KiB (60% reduction).

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