| Rank | Product | Accesses | % | Bytes | % | Visits | % |
|---|---|---|---|---|---|---|---|
| 1 | Windows XP | 9,547,602 | 75.76 | 144,489,684,744 | 73.19 | 438,605 | 71.96 |
| 2 | Windows NT | 2,069,573 | 16.42 | 31,398,604,829 | 15.90 | 102,129 | 16.76 |
| 3 | Macintosh | 207,354 | 1.65 | 3,819,068,213 | 1.93 | 13,192 | 2.16 |
| 4 | Windows 2000 | 201,449 | 1.60 | 3,599,453,062 | 1.82 | 10,628 | 1.74 |
| 5 | - | 109,154 | 0.87 | 2,266,497,496 | 1.15 | 5,664 | 0.93 |
| 6 | compatible; | 74,046 | 0.59 | 854,188,395 | 0.43 | 6,924 | 1.14 |
| 7 | http://help.yahoo.com/help/us/ysearch/slurp | 62,768 | 0.50 | 3,143,897,996 | 1.59 | 6,616 | 1.09 |
| 8 | Windows 98 | 61,521 | 0.49 | 1,033,442,685 | 0.52 | 2,230 | 0.37 |
| 9 | http://www.google.com/bot.html | 57,018 | 0.45 | 1,808,937,957 | 0.92 | 2,954 | 0.48 |
| 10 | X Window System (Unix) | 33,948 | 0.27 | 612,774,076 | 0.31 | 2,340 | 0.38 |
| 11 | Windows Me | 25,578 | 0.20 | 357,551,751 | 0.18 | 964 | 0.16 |
| 12 | http://www.yanga.co.uk/ | 16,935 | 0.13 | 621,048,266 | 0.31 | 323 | 0.05 |
| 13 | http://www.searchme.com/support/ | 12,236 | 0.10 | 114,222,269 | 0.06 | 3,016 | 0.49 |
| 14 | http://search.msn.com/msnbot.htm | 10,728 | 0.09 | 324,274,556 | 0.16 | 3,688 | 0.61 |
| 15 | http://about.ask.com/en/docs/about/webmasters.shtml | 9,473 | 0.08 | 399,304,344 | 0.20 | 2,710 | 0.44 |
| 16 | Microsoft Windows (Not Specific) | 9,395 | 0.07 | 124,255,360 | 0.06 | 424 | 0.07 |
| 17 | Twiceler-0.9 http://www.cuil.com/twiceler/robot.html | 8,102 | 0.06 | 250,566,735 | 0.13 | 506 | 0.08 |
| 18 | Sapphire Web Crawler using Nutch; http://boston.lti.cs.cmu.edu/crawler/; mhoy@cs.cmu.edu | 5,246 | 0.04 | 100,805,877 | 0.05 | 372 | 0.06 |
| 19 | http://www.inspyder.com | 4,369 | 0.03 | 95,345,591 | 0.05 | 1 | 0.00 |
| 20 | http://www.dotnetdotcom.org/, crawler@dotnetdotcom.org | 4,044 | 0.03 | 239,611,030 | 0.12 | 420 | 0.07 |