| Used Operating Systems |
| 1 | 6055 | 65.69 | 2980 | 57.95 | Windows NT |
| 2 | 1594 | 17.29 | 1521 | 29.58 | +http://www.baidu.com/search/spider.html |
| 3 | 438 | 4.75 | 220 | 4.28 | +http://www.bing.com/bingbot.htm |
| 4 | 340 | 3.69 | 202 | 3.93 | +http://www.google.com/bot.html |
| 5 | 218 | 2.37 | 38 | 0.74 | +http://yandex.com/bots |
| 6 | 205 | 2.22 | 59 | 1.15 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 48 | 0.52 | 2 | 0.04 | +http://filterdb.iss.net/crawler/ |
| 8 | 33 | 0.36 | 4 | 0.08 | +http://ahrefs.com/robot/ |
| 9 | 31 | 0.34 | 9 | 0.18 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 30 | 0.33 | 8 | 0.16 | X11 |
| 11 | 27 | 0.29 | 11 | 0.21 | http://www.majestic12.co.uk/bot.php?+ |
| 12 | 25 | 0.27 | 9 | 0.18 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 22 | 0.24 | 2 | 0.04 | PPC Mac OS X 10.4 |
| 14 | 22 | 0.24 | 11 | 0.21 | +http://www.career-x.de/bot.html |
| 15 | 14 | 0.15 | 7 | 0.14 | Windows 98 |
| 16 | 9 | 0.10 | 3 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 17 | 9 | 0.10 | 0 | 0.00 | Android 2.3.5 |
| 18 | 8 | 0.09 | 4 | 0.08 | http://crawler.sistrix.net/ |
| 19 | 8 | 0.09 | 8 | 0.16 | Windows 95 |
| 20 | 8 | 0.09 | 4 | 0.08 | +http://www.exabot.com/go/robot |
| 21 | 8 | 0.09 | 4 | 0.08 | +http://fulltext.sblog.cz/ |
| 22 | 6 | 0.07 | 2 | 0.04 | +http://getdownload.ws |
| 23 | 5 | 0.05 | 1 | 0.02 | +http://overx50.com |
| 24 | 5 | 0.05 | 1 | 0.02 | +http://tryload.in |
| 25 | 5 | 0.05 | 5 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 26 | 4 | 0.04 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 27 | 4 | 0.04 | 3 | 0.06 | +http://wmaid.com/explore/ |
| 28 | 3 | 0.03 | 2 | 0.04 | +http://help.coccoc.com/ |
| 29 | 3 | 0.03 | 1 | 0.02 | +http://downloaflare.biz |
| 30 | 3 | 0.03 | 3 | 0.06 | Windows XP |
| 31 | 2 | 0.02 | 2 | 0.04 | Auto; Windows |
| 32 | 2 | 0.02 | 2 | 0.04 | +http://fb02itsscan.fh-muenster.de |
| 33 | 2 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 34 | 2 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 35 | 2 | 0.02 | 2 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 36 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 37 | 2 | 0.02 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 38 | 2 | 0.02 | 1 | 0.02 | +http://www.idmarch.org/bot.html |
| 39 | 2 | 0.02 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 40 | 1 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 41 | 1 | 0.01 | 1 | 0.02 | Windows CE |
| 42 | 1 | 0.01 | 0 | 0.00 | Win32 |
| 43 | 1 | 0.01 | 1 | 0.02 | Windows 2000 |
| 44 | 1 | 0.01 | 1 | 0.02 | Intel Mac OS X 10.4 |
| 45 | 1 | 0.01 | 1 | 0.02 | Windows ME |
| 46 | 1 | 0.01 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 47 | 1 | 0.01 | 1 | 0.02 | +http://www.xovibot.net/ |
| 48 | 1 | 0.01 | 1 | 0.02 | Windows 3.1 |
