| Used Operating Systems |
| 1 | 34015 | 71.66 | 269 | 6.24 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3008 | 6.34 | 5 | 0.12 | +http://OpenLinkProfiler.org/bot |
| 3 | 2982 | 6.28 | 1583 | 36.69 | Windows NT |
| 4 | 2352 | 4.96 | 282 | 6.54 | +http://www.semrush.com/bot.html |
| 5 | 1545 | 3.25 | 9 | 0.21 | +http://www.warebay.com/bot.html |
| 6 | 1304 | 2.75 | 1064 | 24.66 | +http://www.baidu.com/search/spider.html |
| 7 | 709 | 1.49 | 327 | 7.58 | +http://www.bing.com/bingbot.htm |
| 8 | 472 | 0.99 | 236 | 5.47 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 354 | 0.75 | 227 | 5.26 | +http://www.google.com/bot.html |
| 10 | 275 | 0.58 | 85 | 1.97 | +http://www.linkdex.com/bots/ |
| 11 | 159 | 0.33 | 25 | 0.58 | +http://yandex.com/bots |
| 12 | 58 | 0.12 | 54 | 1.25 | Windows 95 |
| 13 | 52 | 0.11 | 28 | 0.65 | +http://www.exabot.com/go/robot |
| 14 | 26 | 0.05 | 9 | 0.21 | Windows 98 |
| 15 | 16 | 0.03 | 15 | 0.35 | MSIE 5.5; Windows NT 4.0 |
| 16 | 14 | 0.03 | 14 | 0.32 | Windows 3.1 |
| 17 | 14 | 0.03 | 14 | 0.32 | MSIE 5.5; Windows NT 5.0 |
| 18 | 13 | 0.03 | 13 | 0.30 | Windows CE |
| 19 | 13 | 0.03 | 7 | 0.16 | http://help.yahoo.com/help/us/ysearch/sl... |
| 20 | 12 | 0.03 | 12 | 0.28 | Windows 2000 |
| 21 | 10 | 0.02 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 22 | 9 | 0.02 | 9 | 0.21 | Auto; Windows |
| 23 | 8 | 0.02 | 7 | 0.16 | Windows ME |
| 24 | 8 | 0.02 | 3 | 0.07 | Windows XP |
| 25 | 8 | 0.02 | 4 | 0.09 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 5 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 27 | 4 | 0.01 | 0 | 0.00 | J2ME/MIDP |
| 28 | 3 | 0.01 | 0 | 0.00 | Series 60 |
| 29 | 3 | 0.01 | 1 | 0.02 | +http://gimmeusa-update.com/crawler |
| 30 | 3 | 0.01 | 3 | 0.07 | Linux i686 [unknown version] |
| 31 | 3 | 0.01 | 1 | 0.02 | Android 2.3.5 |
| 32 | 2 | 0.00 | 1 | 0.02 | +info@netcraft.com |
| 33 | 2 | 0.00 | 2 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 34 | 1 | 0.00 | 0 | 0.00 | Android |
| 35 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 36 | 1 | 0.00 | 1 | 0.02 | X11 |
| 37 | 1 | 0.00 | 1 | 0.02 | FreeBSD [unknown version] |
| 38 | 1 | 0.00 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 39 | 1 | 0.00 | 1 | 0.02 | PPC Mac OS X Mach-O |
