| Used Operating Systems |
| 1 | 23518 | 59.95 | 4437 | 68.02 | Windows NT |
| 2 | 6050 | 15.42 | 116 | 1.78 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 3984 | 10.16 | 410 | 6.29 | +http://www.bing.com/bingbot.htm |
| 4 | 1296 | 3.30 | 79 | 1.21 | Windows 98 |
| 5 | 1246 | 3.18 | 7 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 6 | 1102 | 2.81 | 854 | 13.09 | +http://www.baidu.com/search/spider.html |
| 7 | 1014 | 2.58 | 245 | 3.76 | +http://yandex.com/bots |
| 8 | 410 | 1.05 | 137 | 2.10 | +http://www.linkdex.com/bots/ |
| 9 | 329 | 0.84 | 113 | 1.73 | +http://www.google.com/bot.html |
| 10 | 83 | 0.21 | 20 | 0.31 | X11 |
| 11 | 38 | 0.10 | 8 | 0.12 | Android 2.3.5 |
| 12 | 25 | 0.06 | 12 | 0.18 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 24 | 0.06 | 23 | 0.35 | Windows 95 |
| 14 | 20 | 0.05 | 4 | 0.06 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 8 | 0.02 | 8 | 0.12 | MSIE 5.5; Windows NT 4.0 |
| 16 | 7 | 0.02 | 7 | 0.11 | Windows 2000 |
| 17 | 7 | 0.02 | 6 | 0.09 | +info@netcraft.com |
| 18 | 6 | 0.02 | 2 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 19 | 6 | 0.02 | 4 | 0.06 | http://www.bing.com/bingbot.htm |
| 20 | 6 | 0.02 | 6 | 0.09 | Windows 3.1 |
| 21 | 6 | 0.02 | 6 | 0.09 | +http://wmaid.com/explore/ |
| 22 | 5 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 23 | 5 | 0.01 | 5 | 0.08 | Windows ME |
| 24 | 5 | 0.01 | 2 | 0.03 | Linux i686 [unknown version] |
| 25 | 5 | 0.01 | 1 | 0.02 | +http://freedlf.com/ |
| 26 | 4 | 0.01 | 3 | 0.05 | Windows XP |
| 27 | 3 | 0.01 | 1 | 0.02 | +http://getdownload.ws |
| 28 | 3 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 29 | 2 | 0.01 | 0 | 0.00 | Win32 |
| 30 | 2 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 31 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 32 | 2 | 0.01 | 1 | 0.02 | +http://help.coccoc.com/ |
| 33 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 34 | 1 | 0.00 | 1 | 0.02 | Windows CE |
| 35 | 1 | 0.00 | 1 | 0.02 | +http://www.proximic.com/info/spider.php |
| 36 | 1 | 0.00 | 1 | 0.02 | +http://www.dotsemantic.org |
| 37 | 1 | 0.00 | 1 | 0.02 | +http://136.186.231.16 |
| 38 | 1 | 0.00 | 1 | 0.02 | +http://k311.fd.cvut.cz/ |
| 39 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
