Web Performance Best Practices and Rules

Yahoo!'s Exceptional Performance team has identified 34 rules that affect web page performance. YSlow's web page analysis is based on the 23 of these 34 rules that are testable. Click each performance rule below to see the details.

Minimize HTTP RequestsUse a Content Delivery NetworkAvoid empty src or hrefAdd an Expires or a Cache-Control HeaderGzip ComponentsPut StyleSheets at the TopPut Scripts at the BottomAvoid CSS ExpressionsMake JavaScript and CSS ExternalReduce DNS LookupsMinify JavaScript and CSSAvoid Redirects

 

Remove Duplicate ScriptsConfigure ETagsMake AJAX CacheableUse GET for AJAX RequestsReduce the Number of DOM ElementsNo 404sReduce Cookie SizeUse Cookie-Free Domains for ComponentsAvoid FiltersDo Not Scale Images in HTMLMake favicon.ico Small and Cacheable

转载于:https://www.cnblogs.com/dojava/archive/2012/02/18/2356619.html

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