Itrus.cn Site Title
SSL证书-HTTPS证书-数字签名证书供应商-天威诚信
Itrus.cn Meta Description
天威诚信是依据《中华人民共和国电子签名法》由工业和信息化部设立的电子认证服务机构，专业提供ssl证书,https加密,赛门铁克ssl证书,代码签名证书,ev ssl证书,服务器证书等申请及购买服务。
Itrus.cn Test Results
itrus.cn Mobile Usability: 97/100
Quick overview:
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
<li class="slick-active">1</li> and 5 others are close to other tap targets .
...
itrus.cn Mobile Speed: 40/100
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://bpa.baidu.com/bpa/bpa.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 531.3KiB (33% reduction).
Compressing http://www.itrus.cn/static/images/bg_2.jpg could save 77.5KiB (50% 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 85.5KiB (69% reduction).
Compressing https://yun-static.soperson.com/131221/talk99.js?17012101 could save 32.9KiB (66% reduction).
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 5 blocking script resources and 10 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://www.itrus.cn/static/js/jquery-1.11.2.min.js
...
Optimize CSS Delivery of the following:
http://www.itrus.cn/static/css/bootstrap.min.css
...
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 9.9KiB (23% reduction).
Minifying http://www.itrus.cn/static/js/bootstrap.min.js could save 3.1KiB (23% 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 1.5KiB (17% reduction).
Minifying http://www.itrus.cn/static/css/style.css?v=20170509 could save 1.5KiB (17% reduction) after compression.
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