| Used Operating Systems |
| 1 | 37267 | 69.66 | 394 | 5.88 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 9613 | 17.97 | 3442 | 51.33 | Windows NT |
| 3 | 1214 | 2.27 | 350 | 5.22 | +http://www.bing.com/bingbot.htm |
| 4 | 1164 | 2.18 | 432 | 6.44 | +http://www.google.com/bot.html |
| 5 | 917 | 1.71 | 795 | 11.86 | +http://www.baidu.com/search/spider.html |
| 6 | 901 | 1.68 | 157 | 2.34 | +http://ahrefs.com/robot/ |
| 7 | 466 | 0.87 | 281 | 4.19 | +http://www.linkdex.com/bots/ |
| 8 | 304 | 0.57 | 208 | 3.10 | Windows 95 |
| 9 | 297 | 0.56 | 74 | 1.10 | +http://yandex.com/bots |
| 10 | 182 | 0.34 | 30 | 0.45 | Windows 98 |
| 11 | 118 | 0.22 | 19 | 0.28 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 107 | 0.20 | 37 | 0.55 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 69 | 0.13 | 54 | 0.81 | MSIE 5.5; Windows NT 5.0 |
| 14 | 67 | 0.13 | 28 | 0.42 | +http://www.exabot.com/go/robot |
| 15 | 63 | 0.12 | 49 | 0.73 | Windows CE |
| 16 | 59 | 0.11 | 14 | 0.21 | X11 |
| 17 | 58 | 0.11 | 7 | 0.10 | Windows XP |
| 18 | 50 | 0.09 | 8 | 0.12 | +http://fulltext.sblog.cz/ |
| 19 | 49 | 0.09 | 35 | 0.52 | MSIE 5.5; Windows NT 4.0 |
| 20 | 47 | 0.09 | 35 | 0.52 | Windows ME |
| 21 | 45 | 0.08 | 38 | 0.57 | ) - BrowseX (2.0.0 Windows |
| 22 | 44 | 0.08 | 18 | 0.27 | http://help.yahoo.com/help/us/ysearch/sl... |
| 23 | 43 | 0.08 | 34 | 0.51 | Windows 3.1 |
| 24 | 39 | 0.07 | 35 | 0.52 | Windows 2000 |
| 25 | 35 | 0.07 | 23 | 0.34 | +http://www.semrush.com/bot.html |
| 26 | 34 | 0.06 | 7 | 0.10 | +http://www.findxbot.com |
| 27 | 33 | 0.06 | 31 | 0.46 | Auto; Windows |
| 28 | 30 | 0.06 | 3 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 29 | 24 | 0.04 | 10 | 0.15 | +https://www.mojeek.com/bot.html |
| 30 | 20 | 0.04 | 2 | 0.03 | +http://www.warebay.com/bot.html |
| 31 | 20 | 0.04 | 2 | 0.03 | +https://www.aihitdata.com/about |
| 32 | 20 | 0.04 | 10 | 0.15 | +http://duckduckgo.com |
| 33 | 14 | 0.03 | 7 | 0.10 | +http://help.coccoc.com/ |
| 34 | 13 | 0.02 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 35 | 12 | 0.02 | 6 | 0.09 | +http://www.meanpath.com/meanpathbot.htm... |
| 36 | 8 | 0.01 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 37 | 8 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 38 | 6 | 0.01 | 2 | 0.03 | Android 2.3.5 |
| 39 | 5 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 40 | 4 | 0.01 | 2 | 0.03 | +http://gimmeusa-update.com/crawler |
| 41 | 4 | 0.01 | 4 | 0.06 | +http://www.xovibot.net/ |
| 42 | 4 | 0.01 | 3 | 0.04 | +http://webdirpro.net |
| 43 | 3 | 0.01 | 3 | 0.04 | +http://pmoz.info/doc/botinfo.htm |
| 44 | 3 | 0.01 | 3 | 0.04 | Linux i686 [unknown version] |
| 45 | 3 | 0.01 | 3 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 46 | 2 | 0.00 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 47 | 2 | 0.00 | 2 | 0.03 | +http://www.seograph.net/bot.html |
| 48 | 2 | 0.00 | 2 | 0.03 | PPC Mac OS X Mach-O |
| 49 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 50 | 2 | 0.00 | 2 | 0.03 | Linux i586 [unknown version] |
| 51 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 52 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
