[Original] Google Page speed, one of the powerful tools for website performance optimization"

[Original] Google Page speed, one of the powerful tools for website performance optimization"

 

Http://code.google.com/intl/zh-CN/speed/page-speed/

 

	What is page speed? Page speed is an open-source Firefox/firebug add-on. webmasters and web developers can use page speed to evaluate the performance of their web pages and to get suggestions on how to improve them.
	How does page speed work? Page speed performs several tests on a site's Web server configuration and front-end code. these tests are based on a set of best practices known to enhance web page performance. webmasters who run page speed on their pages get a set of scores for each page, as well as helpful suggestions on how to improve its performance.
	Why shoshould you use page speed? By using page speed, you can: Make your site faster. Keep Internet users engaged with your site. Reduce your bandwidth and hosting costs. Improve the web!

 

For Google Page speed's website optimization suggestions, refer to the following:

 

• Enable gzip Compression
• Leverage browser caching
• Leverage proxy caching
• Remove unused CSS
• Serve static content from a cookieless domain
• Use efficient CSS selectors
• Minify Javascript
• Optimize images
• Serve resources from a consistent URL
• Minimize redirects
• Put CSS in the document head
• Minimize cookie size
• Combine external Javascript
• Minimize DNS lookups
• Optimize the order of styles and scripts
• Avoid CSS expressions
• Combine external CSS
• Defer loading of JavaScript
• Parallelize downloads internal SS hostnames
• Specify image dimensions

Similar to Yahoo yslow, if you are interested, refer to it!