Itcast.cn Site Title
传智教育【官网】-好口碑IT职业教育,好口碑IT培训机构，一样的教育，不一样的品质
Itcast.cn Meta Description
传智教育（“传智播客”全新升级为“传智教育”）专注IT培训，开设多种IT培训课程，提供java培训、前端开发培训、鸿蒙开发培训、大数据培训、人工智能培训、python培训、web前端培训、软件测试培训、ui设计培训、移动开发培训、新媒体运营培训、产品经理培训等IT培训服务，是好口碑的IT培训机构。
Itcast.cn Test Results
itcast.cn Mobile Usability: 99/100
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=""> and 2 others are close to other tap targets .
...
itcast.cn Mobile Speed: 48/100
Quick overview:
Avoid landing page redirects
Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://itcast.cn/
...
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 6 blocking script resources and 5 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://s22.cnzz.com/stat.php?id=4617777
...
Optimize CSS Delivery of the following:
http://mo.faisys.com/css/fontsIco.min.css?v=201705221812
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 92.8KiB (65% reduction).
Compressing http://8867345.s21i-8.faiusr.com/2/ABUIABACGAAgovXJvQUohLiM7AEwiQI4iQI.jpg could save 26.2KiB (72% reduction).
...
Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.
Only about 20% of the final above-the-fold content could be rendered with the full HTML response .
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.itheima.com/images/a_bg.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 8.5KiB (62% reduction).
Compressing http://s22.cnzz.com/stat.php?id=4617777 could save 7KiB (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 2.3KiB (21% reduction).
Minifying http://m.itheimawh.icoc.in/ could save 2.3KiB (21% reduction) after compression.
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