Yslow是雅虎新近出品的一個網頁分析工具.
它能夠給你提供網頁錯誤信息以及網頁優化建議.必須安裝 Firebug 後才能使用該擴展.
下載網址
http://developer.yahoo.com/yslow/
Performance View
YSlow analyzes any web page and generates a grade for each rule and an overall grade. If a page can be improved, YSlow lists the specific changes to be made.
Stats View
YSlow calculates the total size of the web page for both empty cache and primed cache scenarios, as well as information about cookies.
Components View
YSlow lists all the components in the page including their type, URL, Expires date, gzip status, load time, size, and ETag. You can also view the HTTP response headers for any component.
