| Used Operating Systems |
| 1 | 2750 | 48.60 | 108 | 5.97 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 1402 | 24.78 | 1015 | 56.11 | +http://www.baidu.com/search/spider.html |
| 3 | 600 | 10.60 | 248 | 13.71 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 4 | 275 | 4.86 | 123 | 6.80 | +http://www.google.com/bot.html |
| 5 | 197 | 3.48 | 93 | 5.14 | +http://www.bing.com/bingbot.htm |
| 6 | 168 | 2.97 | 74 | 4.09 | Windows NT |
| 7 | 113 | 2.00 | 40 | 2.21 | +http://yandex.com/bots |
| 8 | 66 | 1.17 | 54 | 2.99 | +http://ahrefs.com/robot/ |
| 9 | 45 | 0.80 | 35 | 1.93 | +http://www.easou.com/search/spider.html |
| 10 | 15 | 0.27 | 5 | 0.28 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 10 | 0.18 | 5 | 0.28 | +http://www.meanpath.com/meanpathbot.htm... |
| 12 | 6 | 0.11 | 2 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 13 | 6 | 0.11 | 3 | 0.17 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 2 | 0.04 | 1 | 0.06 | +http://www.seokicks.de/robot.html |
| 15 | 2 | 0.04 | 2 | 0.11 | Windows 98 |
| 16 | 1 | 0.02 | 1 | 0.06 | +info@netcraft.com |
