| Used Operating Systems |
| 1 | 21364 | 76.52 | 197 | 10.90 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2320 | 8.31 | 947 | 52.38 | Windows NT |
| 3 | 1880 | 6.73 | 153 | 8.46 | +http://ahrefs.com/robot/ |
| 4 | 1129 | 4.04 | 293 | 16.21 | +http://www.google.com/bot.html |
| 5 | 569 | 2.04 | 108 | 5.97 | +http://www.bing.com/bingbot.htm |
| 6 | 218 | 0.78 | 33 | 1.83 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 7 | 163 | 0.58 | 42 | 2.32 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 92 | 0.33 | 4 | 0.22 | Windows Phone OS 7.5 |
| 9 | 46 | 0.16 | 2 | 0.11 | Android |
| 10 | 46 | 0.16 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 36 | 0.13 | 2 | 0.11 | Android 4.2.2 |
| 12 | 16 | 0.06 | 8 | 0.44 | +http://www.linkdex.com/bots/ |
| 13 | 14 | 0.05 | 7 | 0.39 | +http://www.meanpath.com/meanpathbot.htm... |
| 14 | 10 | 0.04 | 4 | 0.22 | Linux i686 [unknown version] |
| 15 | 8 | 0.03 | 5 | 0.28 | +http://www.exabot.com/go/robot |
| 16 | 3 | 0.01 | 1 | 0.06 | +http://www.seograph.net/bot.html |
| 17 | 2 | 0.01 | 2 | 0.11 | Linux [unknown version] |
| 18 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 19 | 1 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 20 | 1 | 0.00 | 0 | 0.00 | +http://www.xovibot.net/ |
