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????s)???????????css??html??image??js??other????????????С??
????t)?????????????????????????????
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????YSlow??
???????????????а????
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????1.?????????HTTP???????JS??CSS?????
????2.?????????CDN
????3.???ù????HTTP Header.????Expires Header?????????? ?????? ???? Flash??????????????Cache?С?
????4.???gzip???
????5.??CSS????html???
????6.??JavaScript??????
????7.Avoid CSS expressions
????8.?????????JavaScript??CSS
????9.????DNS????
????10.???JavaScript??CSS
????11.????URL?????URL redirects are made using HTTP status codes 301 and 302. They tell the browser to go to another location.
????12.??????JavaScript??CSS
????13.????ETags