| Used Operating Systems |
| 1 | 11611 | 45.60 | 165 | 2.44 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7757 | 30.46 | 3946 | 58.34 | Windows NT |
| 3 | 1735 | 6.81 | 1440 | 21.29 | +http://www.baidu.com/search/spider.html |
| 4 | 909 | 3.57 | 176 | 2.60 | +http://yandex.com/bots |
| 5 | 588 | 2.31 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 6 | 556 | 2.18 | 315 | 4.66 | +http://ahrefs.com/robot/ |
| 7 | 533 | 2.09 | 3 | 0.04 | http://crawler.007ac9.net/ |
| 8 | 412 | 1.62 | 185 | 2.74 | +http://www.bing.com/bingbot.htm |
| 9 | 396 | 1.56 | 190 | 2.81 | +http://www.google.com/bot.html |
| 10 | 355 | 1.39 | 114 | 1.69 | +http://www.linkdex.com/bots/ |
| 11 | 296 | 1.16 | 107 | 1.58 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 53 | 0.21 | 13 | 0.19 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 47 | 0.18 | 1 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 14 | 34 | 0.13 | 22 | 0.33 | X11 |
| 15 | 28 | 0.11 | 14 | 0.21 | +http://www.exabot.com/go/robot |
| 16 | 16 | 0.06 | 9 | 0.13 | MSIE 5.5; Windows NT 5.0 |
| 17 | 14 | 0.05 | 7 | 0.10 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 18 | 9 | 0.04 | 1 | 0.01 | PPC Mac OS X 10.4 |
| 19 | 9 | 0.04 | 3 | 0.04 | Android 2.3.5 |
| 20 | 9 | 0.04 | 6 | 0.09 | +http://www.xovibot.net/ |
| 21 | 8 | 0.03 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.30; Windows NT 6.... |
| 22 | 8 | 0.03 | 8 | 0.12 | Linux i686 [unknown version] |
| 23 | 6 | 0.02 | 2 | 0.03 | +http://getdownload.ws |
| 24 | 6 | 0.02 | 3 | 0.04 | http://crawler.sistrix.net/ |
| 25 | 6 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 26 | 5 | 0.02 | 5 | 0.07 | Windows 95 |
| 27 | 5 | 0.02 | 1 | 0.01 | +http://tryload.in |
| 28 | 4 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 29 | 4 | 0.02 | 1 | 0.01 | Windows 92 |
| 30 | 4 | 0.02 | 1 | 0.01 | Windows Phone OS 7.5 |
| 31 | 4 | 0.02 | 1 | 0.01 | Windows 90 |
| 32 | 3 | 0.01 | 3 | 0.04 | Windows 2000 |
| 33 | 3 | 0.01 | 3 | 0.04 | Linux [unknown version] |
| 34 | 3 | 0.01 | 1 | 0.01 | +http://downloaflare.biz |
| 35 | 3 | 0.01 | 3 | 0.04 | +http://wmaid.com/explore/ |
| 36 | 3 | 0.01 | 1 | 0.01 | +http://overx50.com/ |
| 37 | 2 | 0.01 | 1 | 0.01 | http://www.searchmetrics.com/en/searchme... |
| 38 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 39 | 2 | 0.01 | 1 | 0.01 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 40 | 2 | 0.01 | 2 | 0.03 | IRIX64 7.0 IP53 |
| 41 | 2 | 0.01 | 2 | 0.03 | Windows XP |
| 42 | 2 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 43 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 44 | 2 | 0.01 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 45 | 1 | 0.00 | 0 | 0.00 | J2ME/MIDP |
| 46 | 1 | 0.00 | 1 | 0.01 | +http://fb02itsscan.fh-muenster.de |
| 47 | 1 | 0.00 | 1 | 0.01 | Auto; Windows |
| 48 | 1 | 0.00 | 1 | 0.01 | Windows 98 |
| 49 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
