| Used Operating Systems |
| 1 | 4698 | 42.76 | 1900 | 50.28 | +http://ahrefs.com/robot/ |
| 2 | 1968 | 17.91 | 1152 | 30.48 | +http://www.baidu.com/search/spider.html |
| 3 | 1475 | 13.42 | 75 | 1.98 | +http://yandex.com/bots |
| 4 | 854 | 7.77 | 7 | 0.19 | http://mj12bot.com/ |
| 5 | 575 | 5.23 | 181 | 4.79 | +http://www.google.com/bot.html |
| 6 | 399 | 3.63 | 155 | 4.10 | +http://www.linkdex.com/bots/ |
| 7 | 380 | 3.46 | 177 | 4.68 | +http://www.bing.com/bingbot.htm |
| 8 | 329 | 2.99 | 99 | 2.62 | Windows NT |
| 9 | 149 | 1.36 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 10 | 46 | 0.42 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 30 | 0.27 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 24 | 0.22 | 6 | 0.16 | +http://OpenLinkProfiler.org/bot |
| 13 | 15 | 0.14 | 5 | 0.13 | +http://www.seokicks.de/robot.html |
| 14 | 12 | 0.11 | 5 | 0.13 | +http://www.exabot.com/go/robot |
| 15 | 8 | 0.07 | 4 | 0.11 | http://www.majestic12.co.uk/bot.php?+ |
| 16 | 6 | 0.05 | 4 | 0.11 | +info@netcraft.com |
| 17 | 4 | 0.04 | 2 | 0.05 | Linux i586 [unknown version] |
| 18 | 4 | 0.04 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 19 | 3 | 0.03 | 1 | 0.03 | +http://megaindex.com/crawler |
| 20 | 2 | 0.02 | 2 | 0.05 | https://nmap.org/book/nse.html |
| 21 | 2 | 0.02 | 1 | 0.03 | crawler@mixrank.com |
| 22 | 2 | 0.02 | 1 | 0.03 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 23 | 2 | 0.02 | 2 | 0.05 | +http://eripp.com |
