| Rank | Product | Accesses | % | Bytes | % | Visits | % |
|---|---|---|---|---|---|---|---|
| 1 | Windows XP | 422,750 | 74.80 | 6,511,276,630 | 71.03 | 20,467 | 71.98 |
| 2 | Windows NT | 102,812 | 18.19 | 1,566,816,374 | 17.09 | 5,157 | 18.14 |
| 3 | Macintosh | 7,801 | 1.38 | 144,435,958 | 1.58 | 501 | 1.76 |
| 4 | Windows 2000 | 7,234 | 1.28 | 148,733,501 | 1.62 | 451 | 1.59 |
| 5 | - | 6,903 | 1.22 | 367,728,776 | 4.01 | 182 | 0.64 |
| 6 | compatible; | 3,066 | 0.54 | 35,025,284 | 0.38 | 258 | 0.91 |
| 7 | Windows 98 | 2,528 | 0.45 | 40,362,976 | 0.44 | 97 | 0.34 |
| 8 | http://help.yahoo.com/help/us/ysearch/slurp | 1,673 | 0.30 | 70,520,477 | 0.77 | 134 | 0.47 |
| 9 | X Window System (Unix) | 1,472 | 0.26 | 31,984,817 | 0.35 | 106 | 0.37 |
| 10 | http://www.google.com/bot.html | 1,047 | 0.19 | 16,508,912 | 0.18 | 79 | 0.28 |
| 11 | Windows Me | 831 | 0.15 | 11,631,338 | 0.13 | 44 | 0.16 |
| 12 | Twiceler-0.9 http://www.cuil.com/twiceler/robot.html | 770 | 0.14 | 36,966,718 | 0.40 | 24 | 0.09 |
| 13 | http://about.ask.com/en/docs/about/webmasters.shtml | 755 | 0.13 | 27,794,612 | 0.30 | 231 | 0.82 |
| 14 | http://search.msn.com/msnbot.htm | 672 | 0.12 | 15,395,370 | 0.17 | 280 | 0.99 |
| 15 | Sapphire Web Crawler using Nutch; http://boston.lti.cs.cmu.edu/crawler/; mhoy@cs.cmu.edu | 628 | 0.11 | 8,640,769 | 0.09 | 36 | 0.13 |
| 16 | http://www.dotnetdotcom.org/, crawler@dotnetdotcom.org | 477 | 0.08 | 28,769,507 | 0.31 | 50 | 0.18 |
| 17 | Microsoft Windows (Not Specific) | 469 | 0.08 | 6,040,875 | 0.07 | 14 | 0.05 |
| 18 | http://www.yanga.co.uk/ | 336 | 0.06 | 21,019,017 | 0.23 | 14 | 0.05 |
| 19 | http://www.picsearch.com/bot.html | 274 | 0.05 | 13,722,830 | 0.15 | 39 | 0.14 |
| 20 | http://www.searchme.com/support/ | 225 | 0.04 | 4,769,979 | 0.05 | 64 | 0.23 |