| Used Operating Systems |
| 1 | 4519 | 75.89 | 81 | 11.04 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 519 | 8.72 | 465 | 63.35 | +http://www.baidu.com/search/spider.html |
| 3 | 380 | 6.38 | 4 | 0.54 | +http://OpenLinkProfiler.org/bot |
| 4 | 193 | 3.24 | 50 | 6.81 | +http://yandex.com/bots |
| 5 | 135 | 2.27 | 50 | 6.81 | Windows NT |
| 6 | 52 | 0.87 | 14 | 1.91 | +http://www.google.com/bot.html |
| 7 | 38 | 0.64 | 19 | 2.59 | +http://www.exabot.com/go/robot |
| 8 | 33 | 0.55 | 2 | 0.27 | +http://www.bing.com/bingbot.htm |
| 9 | 28 | 0.47 | 13 | 1.77 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 23 | 0.39 | 20 | 2.72 | +http://ahrefs.com/robot/ |
| 11 | 19 | 0.32 | 7 | 0.95 | +http://www.xovibot.net/ |
| 12 | 6 | 0.10 | 3 | 0.41 | +http://www.findxbot.com |
| 13 | 4 | 0.07 | 2 | 0.27 | +http://www.semrush.com/bot.html |
| 14 | 2 | 0.03 | 2 | 0.27 | +http://www.seograph.net/bot.html |
| 15 | 2 | 0.03 | 0 | 0.00 | Linux i686 [unknown version] |
| 16 | 2 | 0.03 | 2 | 0.27 | +info@netcraft.com |
