| Used Operating Systems |
| 1 | 17916 | 50.99 | 132 | 2.27 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7723 | 21.98 | 9 | 0.15 | +http://OpenLinkProfiler.org/bot |
| 3 | 4095 | 11.65 | 2685 | 46.08 | +http://www.baidu.com/search/spider.html |
| 4 | 2456 | 6.99 | 2122 | 36.42 | Windows NT |
| 5 | 1403 | 3.99 | 373 | 6.40 | +http://www.google.com/bot.html |
| 6 | 888 | 2.53 | 301 | 5.17 | +http://www.bing.com/bingbot.htm |
| 7 | 314 | 0.89 | 100 | 1.72 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 8 | 104 | 0.30 | 21 | 0.36 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 69 | 0.20 | 16 | 0.27 | +http://yandex.com/bots |
| 10 | 36 | 0.10 | 1 | 0.02 | +http://ahrefs.com/robot/ |
| 11 | 32 | 0.09 | 32 | 0.55 | +http://warifort.moykrest.ru |
| 12 | 16 | 0.05 | 16 | 0.27 | +http://monasterytea.spbdyet.ru |
| 13 | 15 | 0.04 | 5 | 0.09 | +http://www.linkdex.com/bots/ |
| 14 | 15 | 0.04 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 15 | 14 | 0.04 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 16 | 12 | 0.03 | 6 | 0.10 | +http://www.meanpath.com/meanpathbot.htm... |
| 17 | 11 | 0.03 | 1 | 0.02 | crawler@mixrank.com |
| 18 | 11 | 0.03 | 1 | 0.02 | +http://www.seograph.net/bot.html |
| 19 | 4 | 0.01 | 3 | 0.05 | +info@netcraft.com |
| 20 | 1 | 0.00 | 1 | 0.02 | Linux [unknown version] |
| 21 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 22 | 1 | 0.00 | 0 | 0.00 | Windows 98 |
