| Used Operating Systems |
| 1 | 21783 | 53.00 | 325 | 3.83 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 8258 | 20.09 | 5816 | 68.62 | +http://ahrefs.com/robot/ |
| 3 | 6875 | 16.73 | 823 | 9.71 | Windows NT |
| 4 | 1351 | 3.29 | 374 | 4.41 | +http://www.bing.com/bingbot.htm |
| 5 | 690 | 1.68 | 136 | 1.60 | +http://www.google.com/bot.html |
| 6 | 496 | 1.21 | 387 | 4.57 | +http://www.baidu.com/search/spider.html |
| 7 | 388 | 0.94 | 35 | 0.41 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 342 | 0.83 | 71 | 0.84 | +http://yandex.com/bots |
| 9 | 272 | 0.66 | 200 | 2.36 | +http://www.xovibot.net/ |
| 10 | 175 | 0.43 | 52 | 0.61 | +http://www.linkdex.com/bots/ |
| 11 | 130 | 0.32 | 79 | 0.93 | Windows 95 |
| 12 | 75 | 0.18 | 10 | 0.12 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 49 | 0.12 | 42 | 0.50 | +http://www.uptime.com/uptimebot |
| 14 | 45 | 0.11 | 12 | 0.14 | Windows 98 |
| 15 | 31 | 0.08 | 6 | 0.07 | Windows XP |
| 16 | 23 | 0.06 | 17 | 0.20 | Windows 3.1 |
| 17 | 22 | 0.05 | 19 | 0.22 | MSIE 5.5; Windows NT 5.0 |
| 18 | 17 | 0.04 | 14 | 0.17 | MSIE 5.5; Windows NT 4.0 |
| 19 | 13 | 0.03 | 12 | 0.14 | Windows 2000 |
| 20 | 11 | 0.03 | 11 | 0.13 | Windows CE |
| 21 | 11 | 0.03 | 11 | 0.13 | Auto; Windows |
| 22 | 11 | 0.03 | 9 | 0.11 | ) - BrowseX (2.0.0 Windows |
| 23 | 8 | 0.02 | 2 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 24 | 8 | 0.02 | 8 | 0.09 | Windows ME |
| 25 | 3 | 0.01 | 1 | 0.01 | http://crawler.007ac9.net/ |
| 26 | 3 | 0.01 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 27 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 28 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 29 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 30 | 1 | 0.00 | 1 | 0.01 | +http://megaindex.com/crawler |
| 31 | 1 | 0.00 | 1 | 0.01 | +info@netcraft.com |
