| Used Operating Systems |
| 1 | 37287 | 58.00 | 265 | 6.35 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 11014 | 17.13 | 129 | 3.09 | +http://ahrefs.com/robot/ |
| 3 | 7874 | 12.25 | 1490 | 35.70 | Windows NT |
| 4 | 1902 | 2.96 | 11 | 0.26 | +http://OpenLinkProfiler.org/bot |
| 5 | 1091 | 1.70 | 1075 | 25.75 | +http://monasterytea.spbdyet.ru |
| 6 | 787 | 1.22 | 101 | 2.42 | +http://www.bing.com/bingbot.htm |
| 7 | 680 | 1.06 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 8 | 649 | 1.01 | 119 | 2.85 | +http://www.linkdex.com/bots/ |
| 9 | 576 | 0.90 | 416 | 9.97 | +http://www.baidu.com/search/spider.html |
| 10 | 503 | 0.78 | 108 | 2.59 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 375 | 0.58 | 171 | 4.10 | +http://www.google.com/bot.html |
| 12 | 367 | 0.57 | 133 | 3.19 | +http://yandex.com/bots |
| 13 | 342 | 0.53 | 2 | 0.05 | Linux [unknown version] |
| 14 | 342 | 0.53 | 2 | 0.05 | Linux i586 [unknown version] |
| 15 | 94 | 0.15 | 3 | 0.07 | Linux i686 [unknown version] |
| 16 | 50 | 0.08 | 20 | 0.48 | Windows 95 |
| 17 | 48 | 0.07 | 17 | 0.41 | Windows 98 |
| 18 | 44 | 0.07 | 44 | 1.05 | +http://warifort.moykrest.ru/ |
| 19 | 30 | 0.05 | 4 | 0.10 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 20 | 30 | 0.05 | 15 | 0.36 | +http://duckduckgo.com |
| 21 | 26 | 0.04 | 2 | 0.05 | +https://www.lipperhey.com/en/about/ |
| 22 | 24 | 0.04 | 2 | 0.05 | +http://filterdb.iss.net/crawler/ |
| 23 | 19 | 0.03 | 9 | 0.22 | Windows ME |
| 24 | 18 | 0.03 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 25 | 14 | 0.02 | 7 | 0.17 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 12 | 0.02 | 4 | 0.10 | Windows CE |
| 27 | 11 | 0.02 | 5 | 0.12 | MSIE 5.5; Windows NT 5.0 |
| 28 | 10 | 0.02 | 6 | 0.14 | Windows 2000 |
| 29 | 10 | 0.02 | 3 | 0.07 | Windows XP |
| 30 | 10 | 0.02 | 0 | 0.00 | +http://www.xovibot.net/ |
| 31 | 10 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 32 | 9 | 0.01 | 3 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 33 | 6 | 0.01 | 2 | 0.05 | Auto; Windows |
| 34 | 6 | 0.01 | 0 | 0.00 | +https://www.google.com/bot.html |
| 35 | 4 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 36 | 4 | 0.01 | 2 | 0.05 | X11 |
| 37 | 3 | 0.00 | 1 | 0.02 | Windows 3.1 |
| 38 | 2 | 0.00 | 1 | 0.02 | Android 2.3.5 |
| 39 | 1 | 0.00 | 1 | 0.02 | +https://gimmeusa.com/pages/crawler |
