| Used Operating Systems |
| 1 | 25187 | 82.50 | 218 | 10.79 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2771 | 9.08 | 1307 | 64.67 | +http://www.baidu.com/search/spider.html |
| 3 | 1053 | 3.45 | 265 | 13.11 | Windows NT |
| 4 | 431 | 1.41 | 102 | 5.05 | +http://yandex.com/bots |
| 5 | 394 | 1.29 | 35 | 1.73 | +http://www.google.com/bot.html |
| 6 | 212 | 0.69 | 6 | 0.30 | +http://www.bing.com/bingbot.htm |
| 7 | 177 | 0.58 | 28 | 1.39 | +http://www.linkdex.com/bots/ |
| 8 | 59 | 0.19 | 16 | 0.79 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 55 | 0.18 | 4 | 0.20 | +http://www.exabot.com/go/robot |
| 10 | 54 | 0.18 | 17 | 0.84 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 48 | 0.16 | 0 | 0.00 | Crawler; +http://www.google.com/bot.html |
| 12 | 18 | 0.06 | 11 | 0.54 | Windows 95 |
| 13 | 14 | 0.05 | 0 | 0.00 | +http://www.meanpath.com/meanpathbot.htm... |
| 14 | 13 | 0.04 | 2 | 0.10 | +http://fulltext.sblog.cz/ |
| 15 | 10 | 0.03 | 0 | 0.00 | Linux [unknown version] |
| 16 | 8 | 0.03 | 2 | 0.10 | Windows 98 |
| 17 | 6 | 0.02 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 18 | 4 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 19 | 3 | 0.01 | 3 | 0.15 | Windows 2000 |
| 20 | 3 | 0.01 | 0 | 0.00 | +info@netcraft.com |
| 21 | 2 | 0.01 | 2 | 0.10 | Windows 3.1 |
| 22 | 2 | 0.01 | 0 | 0.00 | +http://www.seokicks.de/robot.html |
| 23 | 1 | 0.00 | 1 | 0.05 | Windows CE |
| 24 | 1 | 0.00 | 1 | 0.05 | Windows XP |
| 25 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 26 | 1 | 0.00 | 1 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 27 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 28 | 1 | 0.00 | 0 | 0.00 | X11 |
| 29 | 1 | 0.00 | 0 | 0.00 | Android 2.3.5 |
