| Used Operating Systems |
| 1 | 47642 | 44.86 | 447 | 12.53 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 37364 | 35.18 | 1559 | 43.71 | Windows NT |
| 3 | 16415 | 15.46 | 204 | 5.72 | +http://ahrefs.com/robot/ |
| 4 | 3486 | 3.28 | 1111 | 31.15 | +http://www.baidu.com/search/spider.html |
| 5 | 369 | 0.35 | 73 | 2.05 | +http://www.bing.com/bingbot.htm |
| 6 | 293 | 0.28 | 43 | 1.21 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 7 | 168 | 0.16 | 10 | 0.28 | +http://www.google.com/bot.html |
| 8 | 135 | 0.13 | 1 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 9 | 82 | 0.08 | 20 | 0.56 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 70 | 0.07 | 26 | 0.73 | +http://yandex.com/bots |
| 11 | 40 | 0.04 | 10 | 0.28 | +http://www.exabot.com/go/robot |
| 12 | 30 | 0.03 | 4 | 0.11 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 24 | 0.02 | 2 | 0.06 | +https://www.lipperhey.com/en/about/ |
| 14 | 19 | 0.02 | 19 | 0.53 | Windows 95 |
| 15 | 18 | 0.02 | 8 | 0.22 | +http://www.linkdex.com/bots/ |
| 16 | 12 | 0.01 | 6 | 0.17 | Windows 98 |
| 17 | 8 | 0.01 | 4 | 0.11 | Windows XP |
| 18 | 8 | 0.01 | 8 | 0.22 | Windows 3.1 |
| 19 | 4 | 0.00 | 2 | 0.06 | http://www.botje.com/plukkie.htm |
| 20 | 4 | 0.00 | 2 | 0.06 | +http://www.meanpath.com/meanpathbot.htm... |
| 21 | 2 | 0.00 | 2 | 0.06 | Windows 2000 |
| 22 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 23 | 2 | 0.00 | 2 | 0.06 | Windows ME |
| 24 | 2 | 0.00 | 2 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 25 | 2 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
| 26 | 1 | 0.00 | 1 | 0.03 | Auto; Windows |
| 27 | 1 | 0.00 | 1 | 0.03 | +info@netcraft.com |
