| Used Operating Systems |
| 1 | 6110 | 40.98 | 4471 | 74.05 | +http://www.baidu.com/search/spider.html |
| 2 | 3512 | 23.55 | 475 | 7.87 | Windows NT |
| 3 | 1815 | 12.17 | 35 | 0.58 | Windows 98 |
| 4 | 1699 | 11.40 | 681 | 11.28 | +http://www.google.com/bot.html |
| 5 | 1048 | 7.03 | 196 | 3.25 | +http://yandex.com/bots |
| 6 | 382 | 2.56 | 52 | 0.86 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 135 | 0.91 | 45 | 0.75 | ezooms.bot@gmail.com |
| 8 | 75 | 0.50 | 33 | 0.55 | +http://www.bing.com/bingbot.htm |
| 9 | 56 | 0.38 | 16 | 0.26 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 24 | 0.16 | 4 | 0.07 | Linux i686 [unknown version] |
| 11 | 15 | 0.10 | 8 | 0.13 | Windows 95 |
| 12 | 12 | 0.08 | 0 | 0.00 | BeOS BePC |
| 13 | 12 | 0.08 | 10 | 0.17 | +info@netcraft.com |
| 14 | 4 | 0.03 | 4 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 15 | 3 | 0.02 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 16 | 3 | 0.02 | 3 | 0.05 | Windows ME |
| 17 | 2 | 0.01 | 1 | 0.02 | http://www.botje.com/plukkie.htm |
| 18 | 2 | 0.01 | 2 | 0.03 | Windows 3.1 |
| 19 | 1 | 0.01 | 1 | 0.02 | Windows CE |
