300.cn Site Title
网站建设【企业网站制作|网页设计】- 高端网站建设 - 中企动力
300.cn Meta Description
中企动力（300.cn）为您提供网站建设、网站制作、网页设计及定制高端网站建设服务，中企动力专注于企业网站建设、高端网页制作领域20年，对企业网站制作、平台高端网站建设，包括汽车、家装、农业、外贸、机械等多个行业拥有丰富建站经验，选择中企动力，为网站保驾护航。
300.cn Test Results
300.cn Mobile Usability: 89/100
Quick overview:
Configure the viewport
Your page specifies a fixed-width desktop viewport. Use a responsive viewport to allow your page to render properly on all devices.
Configuring a viewport specifying width=device-width instead of width=640 will allow your page to adapt for devices of various widths. This may require additional work to adapt your styling for smaller screens.
300.cn Mobile Speed: 58/100
Quick overview:
Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://300.cn/
...
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://s.300.cn/v2.0/mobile/css/common.min.css?201711281525
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 128.4KiB (70% reduction).
Compressing http://shujike.cn/dgt.js could save 105.9KiB (71% reduction).
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 73.8KiB (25% reduction).
Compressing http://s.300.cn/v2.0/mobile/images/index/consult-bg.jpg could save 22.5KiB (71% reduction).
...
Reduce server response time
In our test, your server responded in 0.50 seconds. There are many factors that can slow down your server response time. Please read our recommendations to learn how you can monitor and measure where your server is spending the most time.
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://shujike.cn/dgt.js (expiration not specified)
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 1KiB (18% reduction).
Minifying http://market.data.yun300.cn/public/js/visittrack.js?201708251717 could save 1KiB (18% reduction) after compression.
Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 1.1KiB (16% reduction).
Minifying http://m.300.cn/ could save 1.1KiB (16% reduction) after compression.
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