2b.cn Site Title
托比网-推进产业互联网化
2b.cn Meta Description
托比网是B2B行业专业的媒体与研究平台，为您提供诚信有实力的B2B企业合作伙伴
2b.cn Test Results
2b.cn Mobile Usability: 100/100
2b.cn Mobile Speed: 58/100
Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 3 blocking script resources and 2 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.
http://cdn.bootcss.com/jquery/1.11.3/jquery.min.js
...
Optimize CSS Delivery of the following:
http://www.2b.cn/skin/2017/css/style.css
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 205.3KiB (87% reduction).
Compressing and resizing http://www.2b.cn/d/file/all/2018-12-04/1543931186966831.png could save 133.6KiB (92% reduction).
...
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://2b.cn/
...
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.2b.cn/d/file/all/2018-12-04/1543931186966831.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 70KiB (64% reduction).
Compressing https://cdn.bootcss.com/jquery/1.11.3/jquery.min.js could save 61.2KiB (65% reduction).
...
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 677B (12% reduction).
Minifying http://www.2b.cn/wap-index.html could save 677B (12% reduction) after compression.
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 649B (12% reduction).
Minifying http://www.2b.cn/skin/2017/css/style.css could save 454B (11% reduction) after compression.
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