| Used Operating Systems |
| 1 | 56324 | 78.85 | 446 | 14.05 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 9618 | 13.46 | 1281 | 40.35 | Windows NT |
| 3 | 1204 | 1.69 | 150 | 4.72 | +http://www.bing.com/bingbot.htm |
| 4 | 804 | 1.13 | 196 | 6.17 | +http://ahrefs.com/robot/ |
| 5 | 652 | 0.91 | 488 | 15.37 | +http://www.baidu.com/search/spider.html |
| 6 | 501 | 0.70 | 100 | 3.15 | +http://www.linkdex.com/bots/ |
| 7 | 402 | 0.56 | 2 | 0.06 | +http://megaindex.com/crawler |
| 8 | 343 | 0.48 | 129 | 4.06 | +http://www.google.com/bot.html |
| 9 | 311 | 0.44 | 62 | 1.95 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 290 | 0.41 | 0 | 0.00 | Linux i686 [unknown version] |
| 11 | 206 | 0.29 | 58 | 1.83 | +http://yandex.com/bots |
| 12 | 119 | 0.17 | 62 | 1.95 | Windows 95 |
| 13 | 117 | 0.16 | 17 | 0.54 | Windows 98 |
| 14 | 60 | 0.08 | 6 | 0.19 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 15 | 44 | 0.06 | 18 | 0.57 | http://www.opensiteexplorer.org/dotbot, ... |
| 16 | 42 | 0.06 | 19 | 0.60 | ) - BrowseX (2.0.0 Windows |
| 17 | 38 | 0.05 | 6 | 0.19 | Windows XP |
| 18 | 38 | 0.05 | 14 | 0.44 | Windows ME |
| 19 | 32 | 0.04 | 15 | 0.47 | +http://duckduckgo.com |
| 20 | 30 | 0.04 | 14 | 0.44 | Auto; Windows |
| 21 | 29 | 0.04 | 15 | 0.47 | MSIE 5.5; Windows NT 4.0 |
| 22 | 26 | 0.04 | 16 | 0.50 | Windows 2000 |
| 23 | 26 | 0.04 | 0 | 0.00 | Solaris 9.x |
| 24 | 23 | 0.03 | 12 | 0.38 | Windows 3.1 |
| 25 | 22 | 0.03 | 2 | 0.06 | +http://www.seograph.net/bot.html |
| 26 | 21 | 0.03 | 2 | 0.06 | Intel Mac OS X 10.6 |
| 27 | 20 | 0.03 | 10 | 0.31 | +http://www.meanpath.com/meanpathbot.htm... |
| 28 | 18 | 0.03 | 12 | 0.38 | Windows CE |
| 29 | 18 | 0.03 | 6 | 0.19 | +http://OpenLinkProfiler.org/bot |
| 30 | 18 | 0.03 | 11 | 0.35 | MSIE 5.5; Windows NT 5.0 |
| 31 | 8 | 0.01 | 1 | 0.03 | Android 2.3.5 |
| 32 | 8 | 0.01 | 0 | 0.00 | FreeBSD [unknown version] |
| 33 | 8 | 0.01 | 5 | 0.16 | X11 |
| 34 | 6 | 0.01 | 0 | 0.00 | +http://indonesiancoder.com |
| 35 | 4 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 36 | 2 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 37 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
