??? -> ???????????????Щ?????????????
???????????? ???????[ 2012/5/29 10:56:27 ] ????????
??????????Steve Souders??High Performance Web Sites?? Essential Knowledge for Frontend Engineers??O??Reilly?? 2007???????????????? ??14 Steps to Faster-Loading Web Sites?????????????????????????????????????????????????????
?????? ??????о?????????????????80%-90%?????????????????????????У??????????????50%-80%???????????????????Щ??????????WEB?????????????????????Щ???????????????????????????????λ??????
?????? ?????????????й????????е?????????????o???飬?????????????????????????????????????????????贛??????????????????????????
?????? ?????????飬?????????????????????????????????????????????С?????С???????δ??????????????????HTML??????飬??δ????Щ?????????????????????δ?????????????????HTML?????Щ????????
??????????漸??????????????????????????????????????????????????????????????Ч???????????????????????????????????????????????????в?????????????????????????????Щ????????????????????????????????Щ??????и???????????????????Щ???????????????????????????????????????????????????????????????????????????ó??????????????15?????????????????????????????15????????????????檔
?????????????£???????????????????????????????????Э???????????????????????????????????в?????????????????????????????????e棬?????κ?????????棩???????Щ?????????????????????????????????????????????????£?????????????????????????Щ??????????????????????????????????????????????????Ц???????????????????????????????????????????У??г???50%?????????????????????????????????????????????????????????????????????e????????
?????? ????????????????????
?????????? JMeter (http://jakarta.apache.org/jmeter/)
?????????? WebLoad (http://www.webload.org/)
?????????? OpenSTA (http://www.opensta.org/)
?????? ??????????????Э?????????
?????????? Ethereal (http://www.ethereal.com/)
?????????? Fiddler (http://www.fiddlertool.com/)
?????? ????????????
?????????? Firebug (http://www.getfirebug.com/) with YSlow (http://developer.yahoo.com/yslow/) for ??????Firefox
?????????? HttpWatch (http://www.httpwatch.com) for IE
?????? ???????????
?????????? Web Page Analyzer - from Website Optimization: Free Website Performance Tool and Web ????Page Speed Analysis (http://www.websiteoptimization.com/services/analyze/)
?????????? Gomez Instant Site Test (http://www.gomez.com/info_center/instant_test.php)
??????????Щ?????????????Щ????迴????????????????Щ?????????web???????????У??????????????????????????????
????HTTP??????
?????????????????????????????????HTML?????????????????????????????????????????????????????????y??????????????????????????????????????????????????????????????????????????????????????????????????????????е???????fresh????????ζ??????????????????????????????????????????????????????????????????????????????????????????????????????????????淢?????????????????????????
?????????????????????????????????????????棬?????????????Σ???????ctrl + F5??????????棩???????????????е??????????Щ????????????????????????????????????????????Щ?????????????????????Щ????????????????y????????????????????????????????????????????????Щ??
????1?????????????????????????????Э?????????????????????????????????????????檔??????????????????GET???????????????????????????Щ?????????????????????????????HTML???????????????????????????????????????????????????е??????????????????á?
????2?????????????????????????????????кü????????????????????ü?????????????????????????????????????????????
????a??FireFox??FireBug+YSlow
????b??IE?? HttpWatch
??????
???·???
??????????????????
2023/3/23 14:23:39???д?ò??????????
2023/3/22 16:17:39????????????????????Щ??
2022/6/14 16:14:27??????????????????????????
2021/10/18 15:37:44???????????????
2021/9/17 15:19:29???·???????·
2021/9/14 15:42:25?????????????
2021/5/28 17:25:47??????APP??????????
2021/5/8 17:01:11