| Used Operating Systems |
| 1 | 6208 | 50.43 | 61 | 4.34 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4123 | 33.50 | 331 | 23.53 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 894 | 7.26 | 651 | 46.27 | Windows NT |
| 4 | 468 | 3.80 | 133 | 9.45 | +http://yandex.com/bots |
| 5 | 266 | 2.16 | 88 | 6.25 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 6 | 131 | 1.06 | 62 | 4.41 | +http://www.google.com/bot.html |
| 7 | 103 | 0.84 | 6 | 0.43 | +http://www.bing.com/bingbot.htm |
| 8 | 37 | 0.30 | 37 | 2.63 | +http://warifort.moykrest.ru/ |
| 9 | 24 | 0.19 | 11 | 0.78 | +http://duckduckgo.com |
| 10 | 20 | 0.16 | 20 | 1.42 | +http://monasterytea.spbdyet.ru |
| 11 | 14 | 0.11 | 1 | 0.07 | +http://filterdb.iss.net/crawler/ |
| 12 | 12 | 0.10 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 13 | 6 | 0.05 | 3 | 0.21 | http://filterdb.iss.net/crawler/ |
| 14 | 1 | 0.01 | 1 | 0.07 | +info@netcraft.com |
| 15 | 1 | 0.01 | 1 | 0.07 | X11 |
| 16 | 1 | 0.01 | 1 | 0.07 | Windows 98 |
