W3cschool.cc Site Title

菜鸟教程 - 学的不仅是技术,更是梦想!

W3cschool.cc Meta Description

菜鸟教程(www.runoob.com)提供了编程的基础技术教程, 介绍了HTML、CSS、Javascript、Python,Java,Ruby,C,PHP , MySQL等各种编程语言的基础知识。 同时本站中也提供了大量的在线实例,通过实例,您可以更好的学习编程。..

W3cschool.cc Test Results

w3cschool.cc Mobile Usability: 100/100


w3cschool.cc Mobile Speed: 73/100

Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 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/2.0.3/jquery.min.js
Optimize CSS Delivery of the following:
http://www.runoob.com/wp-content/themes/runoob/style.css?v=1.147
...
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://static.runoob.com/assets/libs/hl/run_prettify.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 20.7KiB (47% reduction).
Compressing http://static.runoob.com/images/dashang/weipayimg.png could save 7.5KiB (35% 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 2.2KiB (32% reduction).
Minifying http://www.runoob.com/wp-content/themes/runoob/assets/js/main.js?v=1.189 could save 2.2KiB (32% reduction) after compression.
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 645B (48% reduction).
Compressing http://www.runoob.com/wp-content/themes/runoob/assets/js/hl/prettify.css could save 347B (52% reduction).
...

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