| Used Operating Systems |
| 1 | 76911 | 59.65 | 429 | 5.72 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 21966 | 17.04 | 3667 | 48.89 | Windows NT |
| 3 | 19362 | 15.02 | 1195 | 15.93 | +http://ahrefs.com/robot/ |
| 4 | 4066 | 3.15 | 1608 | 21.44 | +http://www.baidu.com/search/spider.html |
| 5 | 1732 | 1.34 | 63 | 0.84 | +http://yandex.com/bots |
| 6 | 1255 | 0.97 | 5 | 0.07 | +http://www.seoprofiler.com/bot |
| 7 | 1175 | 0.91 | 15 | 0.20 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 8 | 1079 | 0.84 | 172 | 2.29 | +http://www.google.com/bot.html |
| 9 | 498 | 0.39 | 109 | 1.45 | +http://www.linkdex.com/about/bots/ |
| 10 | 260 | 0.20 | 41 | 0.55 | +http://www.bing.com/bingbot.htm |
| 11 | 163 | 0.13 | 34 | 0.45 | ezooms.bot@gmail.com |
| 12 | 84 | 0.07 | 7 | 0.09 | X11 |
| 13 | 70 | 0.05 | 21 | 0.28 | Windows 98 |
| 14 | 63 | 0.05 | 44 | 0.59 | Windows 95 |
| 15 | 52 | 0.04 | 4 | 0.05 | Android 2.3.5 |
| 16 | 19 | 0.01 | 7 | 0.09 | Windows XP |
| 17 | 16 | 0.01 | 8 | 0.11 | http://crawler.sistrix.net/ |
| 18 | 13 | 0.01 | 10 | 0.13 | Windows ME |
| 19 | 13 | 0.01 | 11 | 0.15 | ) - BrowseX (2.0.0 Windows |
| 20 | 12 | 0.01 | 0 | 0.00 | Win32 |
| 21 | 12 | 0.01 | 0 | 0.00 | Linux i686 [unknown version] |
| 22 | 10 | 0.01 | 6 | 0.08 | Windows CE |
| 23 | 9 | 0.01 | 8 | 0.11 | Windows 3.1 |
| 24 | 8 | 0.01 | 6 | 0.08 | Auto; Windows |
| 25 | 8 | 0.01 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 7 | 0.01 | 6 | 0.08 | Windows 2000 |
| 27 | 6 | 0.00 | 0 | 0.00 | America Online Browser 1.1; rev1.2; Wind... |
| 28 | 6 | 0.00 | 0 | 0.00 | Solaris 9.x |
| 29 | 6 | 0.00 | 0 | 0.00 | i686 Linux; 20020515 |
| 30 | 6 | 0.00 | 0 | 0.00 | Solaris 2.4.x |
| 31 | 6 | 0.00 | 0 | 0.00 | FreeBSD [unknown version] |
| 32 | 6 | 0.00 | 6 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 33 | 6 | 0.00 | 2 | 0.03 | WinHttp.WinHttpRequest.5 |
| 34 | 6 | 0.00 | 0 | 0.00 | America Online Browser 1.1; rev1.5; Wind... |
| 35 | 6 | 0.00 | 0 | 0.00 | America Online Browser 1.1; rev1.1; Wind... |
| 36 | 4 | 0.00 | 0 | 0.00 | J2ME/MIDP |
| 37 | 4 | 0.00 | 4 | 0.05 | +http://struct.it/contacts/ |
| 38 | 4 | 0.00 | 4 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 39 | 3 | 0.00 | 3 | 0.04 | Linux [unknown version] |
| 40 | 2 | 0.00 | 2 | 0.03 | X11; Linux i686; de |
| 41 | 2 | 0.00 | 0 | 0.00 | X11; Linux i686; en |
| 42 | 2 | 0.00 | 2 | 0.03 | +info@netcraft.com |
