| Used Operating Systems |
| 1 | 32928 | 61.54 | 267 | 12.51 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 8943 | 16.71 | 56 | 2.62 | +http://ahrefs.com/robot/ |
| 3 | 7138 | 13.34 | 1062 | 49.74 | Windows NT |
| 4 | 2140 | 4.00 | 213 | 9.98 | +http://yandex.com/bots |
| 5 | 1048 | 1.96 | 219 | 10.26 | +http://www.bing.com/bingbot.htm |
| 6 | 449 | 0.84 | 156 | 7.31 | +http://www.google.com/bot.html |
| 7 | 264 | 0.49 | 83 | 3.89 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 250 | 0.47 | 1 | 0.05 | Linux i686 [unknown version] |
| 9 | 152 | 0.28 | 39 | 1.83 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 48 | 0.09 | 2 | 0.09 | +http://filterdb.iss.net/crawler/ |
| 11 | 48 | 0.09 | 2 | 0.09 | +https://www.lipperhey.com/en/about/ |
| 12 | 29 | 0.05 | 11 | 0.52 | +http://www.linkdex.com/bots/ |
| 13 | 21 | 0.04 | 9 | 0.42 | +http://www.exabot.com/go/robot |
| 14 | 20 | 0.04 | 5 | 0.23 | Windows 98 |
| 15 | 10 | 0.02 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 5 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 17 | 4 | 0.01 | 4 | 0.19 | +http://tobbot.com/ |
| 18 | 4 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 19 | 4 | 0.01 | 2 | 0.09 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 2 | 0.00 | 0 | 0.00 | +http://www.seograph.net/bot.html |
| 21 | 2 | 0.00 | 2 | 0.09 | Linux [unknown version] |
| 22 | 2 | 0.00 | 2 | 0.09 | +info@netcraft.com |