Smm.cn Site Title

金属期货,上海有色网提供铜,铝,铅,锌,锡,锰,硅等金属长江现货,今日价格,行情,走势,资讯

Smm.cn Meta Description

上海有色网(原上海有色金属网),提供最新的长江现货以及有色金属交易信息.有色金属现货价格的风向标,品种涵盖基本金属-铜,铝,铅,锌,锡,镍,小金属,贵金属,稀土等,是有色金属行业的门户网站,点击率居世界有色网站之前列

Smm.cn Test Results

Smm.cn Mobile Usability: 100/100

Smm.cn Mobile Speed: 48/100

Quick overview:
Avoid landing page redirects
Your page has 4 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://smm.cn/
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 3 blocking script resources and 8 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://m.smm.cn/Public/js/jquery-1.8.3.min.js
...
Optimize CSS Delivery of the following:
http://m.smm.cn/Public/css/public.css
...
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 238.2KiB (71% reduction).
Compressing http://m.smm.cn/Public/js/jquery-1.8.3.min.js could save 58.8KiB (64% reduction).
...
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.google-analytics.com/ga.js (2 hours)
...
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 13.4KiB (43% reduction).
Minifying http://m.smm.cn/quotation/chiefproduct.html could save 13.4KiB (43% reduction).
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 12.3KiB (40% reduction).
Compressing http://m.smm.cn/Public/images/header_logo.png could save 4KiB (28% 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 10.3KiB (50% reduction).
Minifying http://m.smm.cn/Public/js/jquery.zclip.js could save 7.8KiB (50% 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 6.3KiB (25% reduction).
Minifying http://m.smm.cn/Public/css/public.css could save 3.5KiB (26% reduction).
...

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