| Used Operating Systems |
| 1 | 20299 | 29.42 | 129 | 1.59 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 16171 | 23.43 | 3819 | 47.12 | Windows NT |
| 3 | 9829 | 14.24 | 138 | 1.70 | +http://www.bing.com/bingbot.htm |
| 4 | 4050 | 5.87 | 266 | 3.28 | +http://ahrefs.com/robot/ |
| 5 | 4012 | 5.81 | 4 | 0.05 | http://crawler.007ac9.net/ |
| 6 | 3368 | 4.88 | 6 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 7 | 3028 | 4.39 | 2065 | 25.48 | +http://www.baidu.com/search/spider.html |
| 8 | 2002 | 2.90 | 10 | 0.12 | +https://www.megaindex.ru/?tab=linkAnaly... |
| 9 | 1292 | 1.87 | 231 | 2.85 | +http://yandex.com/bots |
| 10 | 820 | 1.19 | 2 | 0.02 | +http://webmeup-crawler.com/ |
| 11 | 698 | 1.01 | 183 | 2.26 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 606 | 0.88 | 375 | 4.63 | Windows 95 |
| 13 | 522 | 0.76 | 117 | 1.44 | +http://www.linkdex.com/bots/ |
| 14 | 470 | 0.68 | 2 | 0.02 | +http://www.seokicks.de/robot.html |
| 15 | 295 | 0.43 | 47 | 0.58 | Windows 98 |
| 16 | 286 | 0.41 | 102 | 1.26 | +http://www.google.com/bot.html |
| 17 | 110 | 0.16 | 83 | 1.02 | Windows 2000 |
| 18 | 104 | 0.15 | 68 | 0.84 | Windows ME |
| 19 | 104 | 0.15 | 67 | 0.83 | Windows 3.1 |
| 20 | 103 | 0.15 | 76 | 0.94 | MSIE 5.5; Windows NT 5.0 |
| 21 | 103 | 0.15 | 79 | 0.97 | MSIE 5.5; Windows NT 4.0 |
| 22 | 100 | 0.14 | 76 | 0.94 | Windows CE |
| 23 | 100 | 0.14 | 2 | 0.02 | +http://advbot.org/bot.html |
| 24 | 97 | 0.14 | 13 | 0.16 | Windows XP |
| 25 | 77 | 0.11 | 51 | 0.63 | Auto; Windows |
| 26 | 60 | 0.09 | 41 | 0.51 | ) - BrowseX (2.0.0 Windows |
| 27 | 52 | 0.08 | 0 | 0.00 | Linux i686 [unknown version] |
| 28 | 44 | 0.06 | 2 | 0.02 | Linux [unknown version] |
| 29 | 32 | 0.05 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 30 | 26 | 0.04 | 17 | 0.21 | +http://www.seograph.net/bot.html |
| 31 | 24 | 0.03 | 0 | 0.00 | FreeBSD [unknown version] |
| 32 | 24 | 0.03 | 12 | 0.15 | +http://duckduckgo.com |
| 33 | 22 | 0.03 | 1 | 0.01 | Linux i586 [unknown version] |
| 34 | 22 | 0.03 | 11 | 0.14 | +http://www.meanpath.com/meanpathbot.htm... |
| 35 | 21 | 0.03 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 36 | 13 | 0.02 | 5 | 0.06 | Android |
| 37 | 8 | 0.01 | 0 | 0.00 | info@muso.com; +http://www.muso.com |
| 38 | 6 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 39 | 4 | 0.01 | 4 | 0.05 | X11 |
| 40 | 2 | 0.00 | 0 | 0.00 | Solaris 2.6.x |
| 41 | 1 | 0.00 | 1 | 0.01 | http://www.lipperhey.com/ |
