用做了一个比较：发现比和快还是有原因的。
从输入域名，到登录完成进入邮箱的HTTP请求次数（已经保存密码自动登录）：
9 gmail.log 19 hotmail.log 34 ymail.logGMail的请求：9次
GET /mail/ GET /mail/ GET /mail/ GET /mail/im/dropupdown.gif GET /setgmail GET /mail/ GET /mail/ GET /mail/ GET /mail/
Live Mail的请求：19次，其中7个广告相关的请求
GET /mail/mail.aspx GET /mail/Bootstrap_11.08.0100.0011.aspx GET /mail/loading_11.08.0100.0011.aspx GET /mail/ApplicationMain_11.08.0100.0011.aspx GET /c.gif POST /mail/mail.fpp GET /mail/stylesheet_11.08.0100.0011.aspx GET /mail/11.00/theme0/thumbn.gif GET /mail/11.00/theme7/thumbn.gif GET /ADSAdClient31.dll GET /ADSAdClient31.dll POST /mail/mail.fpp GET /mail/11.00/theme6/thumbn.gif GET /ADSAdClient31.dll GET /mail/11.00/theme4/thumbn.gif GET /ADSAdClient31.dll GET /main/adfshow GET /main/adfshow GET /msnms/20061025/Hotmail(China)today_Rectangle_300_250_20k.swf
Yahoo!Mail（Beta版）：34次
GET / GET /b GET /search GET /yab/cache/cn/w85nP6Cx_z657_m9Yyg9Aw-- POST /ws/mail/v1/soap POST /rss/Content/V3.0/getUserFeedData POST /ws/mail/v1/soap GET /dc/fc GET /ws/cal/w85nP6Cx_z657_m9Yyg9Aw--/v0.1/event GET /a GET /a GET /b GET /a GET /candygram/welcome/ GET /b GET /a GET /a GET /img/loginrec.htm GET /candygram/welcome/ GET /promo/p2006/tab_cg.html GET /a GET /us.yimg.com/a/1-/jscodes/031016/ct_lrec_031016.js GET /img/loginrec.htm GET /b GET /b GET /a GET /b GET /promo/p2006/tab_cg.html GET /b GET /b GET /a/ad/daphne/20060809_74790_3_300x250_lrec_dragdrop_China.swf GET /serv GET /serv GET /mail/
另外还有物理速度的影响：
到GMail服务器的路由统计：
[v0.71] chedong (0.0.0.0) Thu Nov 16 10:23:27 2006 Keys: Help Display mode Restart statistics Order of fields quit Packets Pings Host Loss% Snt Last Avg Best Wrst StDev 1. 60.195.249.1 0.0% 2162 2.1 3.1 0.3 238.5 14.3 2. 202.99.57.129 0.0% 2162 2.3 1.6 0.2 37.6 2.0 3. 202.99.57.13 0.0% 2162 2.4 12.9 0.6 230.8 35.9 4. 221.239.18.133 0.0% 2162 4.9 4.5 3.1 19.8 1.6 5. 221.239.7.49 0.0% 2162 4.5 4.0 2.7 18.9 1.6 6. 221.238.222.213 3.6% 2161 5.4 13.0 2.7 273.7 32.0 7. 202.97.34.225 0.1% 2161 24.6 32.5 22.6 229.6 31.5 8. 202.97.37.53 0.1% 2161 24.5 31.5 22.6 229.9 28.9 9. 202.97.33.18 0.0% 2161 24.8 23.8 22.6 31.4 1.5 10. 202.97.60.38 0.0% 2161 24.5 24.2 22.8 42.7 1.6 11. 202.97.4.46 0.0% 2161 59.7 59.5 57.9 86.3 2.3 12. 216.239.47.237 4.2% 2161 208.0 202.8 180.7 316.3 20.0 13. 72.14.239.13 4.9% 2161 212.7 205.7 183.9 314.3 19.8 14. 72.14.233.57 7.2% 2161 308.1 356.4 231.9 513.1 76.6 72.14.233.117 72.14.233.55 15. 66.249.95.247 7.0% 2161 252.6 286.4 222.8 510.7 88.5 64.233.175.210 216.239.43.81 66.249.95.245 16. 72.14.232.53 5.8% 2161 252.4 325.4 224.3 523.5 70.7 66.249.94.133 66.249.94.135 72.14.232.57 17. 64.233.175.26 59.3% 2161 292.3 288.4 228.0 414.2 41.8 64.233.175.42 72.14.232.74 72.14.232.70 18. 64.233.167.18 9.4% 2161 498.3 497.4 289.7 511.9 12.0
到雅虎邮箱的路由统计：
My traceroute [v0.71] chedong (0.0.0.0) Thu Nov 16 10:25:05 2006 Keys: Help Display mode Restart statistics Order of fields quit Packets Pings Host Loss% Snt Last Avg Best Wrst StDev 1. 60.195.249.1 0.1% 2231 0.7 2.7 0.3 241.1 13.7 2. 202.99.57.137 0.0% 2231 0.8 1.2 0.2 17.9 1.6 3. 202.99.57.9 0.0% 2231 1.8 12.2 0.6 220.5 34.4 4. 221.239.18.133 0.0% 2231 5.7 4.1 3.1 29.2 1.4 5. 221.239.7.53 0.0% 2231 5.0 3.8 3.0 37.8 1.5 6. 221.238.222.217 0.0% 2231 4.9 13.0 3.3 217.9 31.9 7. 202.97.35.125 0.0% 2231 38.9 39.1 37.2 145.1 7.1 202.97.35.121 8. 202.97.37.85 0.1% 2231 38.1 45.3 36.2 245.0 29.3 9. 202.97.33.126 1.7% 2231 294.8 251.4 36.6 358.9 36.0 10. 202.97.51.234 15.3% 2231 569.8 575.7 365.7 770.2 28.5 11. 218.30.54.74 26.9% 2231 348.9 345.6 302.3 525.6 36.1 12. so-0-0-0.pat2.dcp.yahoo.com 21.1% 2231 383.0 387.6 373.4 505.3 22.0 13. ge-3-1-0-p171.msr2.re1.yahoo.com 24.0% 2231 384.0 441.4 372.6 698.9 88.1 ge-3-1-0-p161.msr1.re1.yahoo.com ge-2-1-0-p171.msr2.re1.yahoo.com ge-2-1-0-p161.msr1.re1.yahoo.com 14. ge-1-44.bas-a1.re3.yahoo.com 21.9% 2231 499.3 482.4 374.0 728.6 90.0 ge-1-32.bas-a1.re3.yahoo.com ge-1-33.bas-a2.re3.yahoo.com ge-1-43.bas-a1.re3.yahoo.com ge-1-41.bas-a2.re3.yahoo.com ge-1-30.bas-a1.re3.yahoo.com ge-1-43.bas-a2.re3.yahoo.com ge-1-42.bas-a2.re3.yahoo.com 15. f570.mail.vip.re3.yahoo.com 20.6% 2231 399.6 398.6 373.3 527.5 26.6
但实际上：对CPU影响最大的其实是flash的个数，雅虎上有2个，Hotmail里有1个，而Google里一个也没有……
作者： 发表于：2006-11-16 08:11 最后更新于：2007-04-15 19:04 ：可以转载，转载时请务必以超链接形式标明文章 的原始出处和作者信息及 。