| Used Operating Systems by Visits |
| 1 | 12199 | 9.92 | 8097 | 53.70 | +http://ahrefs.com/robot/ |
| 2 | 6262 | 5.09 | 3433 | 22.77 | +http://www.baidu.com/search/spider.html |
| 3 | 12574 | 10.23 | 1088 | 7.22 | Windows NT |
| 4 | 34313 | 27.91 | 640 | 4.24 | +http://yandex.com/bots |
| 5 | 924 | 0.75 | 453 | 3.00 | +http://www.google.com/bot.html |
| 6 | 45172 | 36.74 | 313 | 2.08 | http://mj12bot.com/ |
| 7 | 1315 | 1.07 | 300 | 1.99 | +http://www.linkdex.com/bots/ |
| 8 | 727 | 0.59 | 180 | 1.19 | +http://www.bing.com/bingbot.htm |
| 9 | 362 | 0.29 | 134 | 0.89 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 165 | 0.13 | 84 | 0.56 | Windows 95 |
| 11 | 87 | 0.07 | 81 | 0.54 | +http://www.uptime.com/uptimebot |
| 12 | 350 | 0.28 | 56 | 0.37 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 5234 | 4.26 | 24 | 0.16 | http://www.majestic12.co.uk/bot.php?+ |
| 14 | 33 | 0.03 | 20 | 0.13 | Windows CE |
| 15 | 20 | 0.02 | 16 | 0.11 | Windows 2000 |
| 16 | 22 | 0.02 | 15 | 0.10 | Auto; Windows |
| 17 | 18 | 0.01 | 15 | 0.10 | MSIE 5.5; Windows NT 5.0 |
| 18 | 23 | 0.02 | 14 | 0.09 | ) - BrowseX (2.0.0 Windows |
| 19 | 105 | 0.09 | 13 | 0.09 | Windows 98 |
| 20 | 42 | 0.03 | 13 | 0.09 | +http://www.exabot.com/go/robot |
| 21 | 26 | 0.02 | 12 | 0.08 | Windows ME |
| 22 | 11 | 0.01 | 11 | 0.07 | Win32 |
| 23 | 18 | 0.01 | 11 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 24 | 17 | 0.01 | 10 | 0.07 | Windows 3.1 |
| 25 | 12 | 0.01 | 8 | 0.05 | +http://sur.ly/bot.html |
| 26 | 24 | 0.02 | 8 | 0.05 | Windows XP |
| 27 | 2490 | 2.03 | 6 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 28 | 52 | 0.04 | 6 | 0.04 | +http://napoveda.seznam.cz/en/seznambot-... |
| 29 | 60 | 0.05 | 3 | 0.02 | +http://www.semrush.com/bot.html |
| 30 | 27 | 0.02 | 3 | 0.02 | +http://www.seokicks.de/robot.html |
| 31 | 5 | 0.00 | 2 | 0.01 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 32 | 4 | 0.00 | 2 | 0.01 | http://www.opensiteexplorer.org/dotbot, ... |
| 33 | 4 | 0.00 | 2 | 0.01 | Unknown |
| 34 | 4 | 0.00 | 2 | 0.01 | http://www.botje.com/plukkie.htm |
| 35 | 2 | 0.00 | 2 | 0.01 | +http://jooble.org/jooble-bot |
| 36 | 1 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 37 | 5 | 0.00 | 1 | 0.01 | X11 |
| 38 | 2 | 0.00 | 0 | 0.00 | i686 Linux; 20020708 |
| 39 | 8 | 0.01 | 0 | 0.00 | http://linkfluence.com/; bot@linkfluence... |
| 40 | 8 | 0.01 | 0 | 0.00 | +https://github.com/ViDA-NYU/ache; |
| 41 | 2 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 42 | 5 | 0.00 | 0 | 0.00 | MSIE 6.0; Windows NT 5.1 |
| 43 | 32 | 0.03 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 44 | 4 | 0.00 | 0 | 0.00 | +http://janforman.com/ |
| 45 | 23 | 0.02 | 0 | 0.00 | +http://glutenfreepleasure.com/ |
| 46 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 47 | 154 | 0.13 | 0 | 0.00 | +http://www.profound.net/domainappender |
| 48 | 2 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
| 49 | 4 | 0.00 | 0 | 0.00 | Amiga-AWeb |
