| Used Operating Systems |
| 1 | 15984 | 38.70 | 186 | 2.78 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 10240 | 24.79 | 43 | 0.64 | +http://ahrefs.com/robot/ |
| 3 | 4926 | 11.93 | 2349 | 35.14 | Windows NT |
| 4 | 2784 | 6.74 | 674 | 10.08 | +http://www.xovibot.net/ |
| 5 | 2531 | 6.13 | 2228 | 33.33 | +http://www.baidu.com/search/spider.html |
| 6 | 1275 | 3.09 | 280 | 4.19 | +http://www.bing.com/bingbot.htm |
| 7 | 1214 | 2.94 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 8 | 511 | 1.24 | 250 | 3.74 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 499 | 1.21 | 270 | 4.04 | +http://www.google.com/bot.html |
| 10 | 294 | 0.71 | 13 | 0.19 | +http://fulltext.sblog.cz/ |
| 11 | 204 | 0.49 | 68 | 1.02 | +http://www.profound.net/domainappender |
| 12 | 172 | 0.42 | 95 | 1.42 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 154 | 0.37 | 45 | 0.67 | +http://www.linkdex.com/bots/ |
| 14 | 75 | 0.18 | 1 | 0.01 | Linux i586 [unknown version] |
| 15 | 51 | 0.12 | 1 | 0.01 | +https://www.aihitdata.com/about |
| 16 | 47 | 0.11 | 17 | 0.25 | +http://yandex.com/bots |
| 17 | 34 | 0.08 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 18 | 34 | 0.08 | 17 | 0.25 | +http://duckduckgo.com |
| 19 | 31 | 0.08 | 13 | 0.19 | http://www.opensiteexplorer.org/dotbot, ... |
| 20 | 25 | 0.06 | 24 | 0.36 | +http://monasterytea.spbdyet.ru |
| 21 | 24 | 0.06 | 24 | 0.36 | +http://warifort.moykrest.ru |
| 22 | 21 | 0.05 | 11 | 0.16 | Windows 95 |
| 23 | 18 | 0.04 | 9 | 0.13 | +http://www.exabot.com/go/robot |
| 24 | 17 | 0.04 | 6 | 0.09 | Windows 98 |
| 25 | 16 | 0.04 | 5 | 0.07 | X11 |
| 26 | 14 | 0.03 | 4 | 0.06 | Windows XP |
| 27 | 14 | 0.03 | 7 | 0.10 | +http://www.meanpath.com/meanpathbot.htm... |
| 28 | 12 | 0.03 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 29 | 11 | 0.03 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 30 | 9 | 0.02 | 4 | 0.06 | Windows 3.1 |
| 31 | 9 | 0.02 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 32 | 8 | 0.02 | 6 | 0.09 | Windows 2000 |
| 33 | 8 | 0.02 | 4 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 34 | 7 | 0.02 | 5 | 0.07 | Windows CE |
| 35 | 5 | 0.01 | 5 | 0.07 | +http://domainsigma.com/robot |
| 36 | 4 | 0.01 | 3 | 0.04 | Windows ME |
| 37 | 4 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 38 | 3 | 0.01 | 3 | 0.04 | Linux i686 [unknown version] |
| 39 | 3 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 40 | 3 | 0.01 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 41 | 2 | 0.00 | 1 | 0.01 | Auto; Windows |
| 42 | 2 | 0.00 | 0 | 0.00 | Android 2.3.5 |
| 43 | 2 | 0.00 | 2 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 44 | 1 | 0.00 | 0 | 0.00 | +https://gimmeusa.com/pages/crawler |
| 45 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 46 | 1 | 0.00 | 0 | 0.00 | +http://docs.google.com; +Google-Docume... |
| 47 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 48 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
