| Used Operating Systems |
| 1 | 5360 | 24.91 | 2398 | 41.91 | Windows NT |
| 2 | 5136 | 23.87 | 128 | 2.24 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 4463 | 20.74 | 341 | 5.96 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 2713 | 12.61 | 198 | 3.46 | +http://yandex.com/bots |
| 5 | 2376 | 11.04 | 2003 | 35.01 | +http://www.baidu.com/search/spider.html |
| 6 | 816 | 3.79 | 315 | 5.51 | +http://www.google.com/bot.html |
| 7 | 242 | 1.12 | 116 | 2.03 | +http://www.bing.com/bingbot.htm |
| 8 | 141 | 0.66 | 130 | 2.27 | +http://www.linkdex.com/bots/ |
| 9 | 48 | 0.22 | 24 | 0.42 | +http://www.meanpath.com/meanpathbot.htm... |
| 10 | 32 | 0.15 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 11 | 26 | 0.12 | 5 | 0.09 | +http://ahrefs.com/robot/ |
| 12 | 18 | 0.08 | 2 | 0.03 | +http://fulltext.sblog.cz/ |
| 13 | 16 | 0.07 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 14 | 14 | 0.07 | 7 | 0.12 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 12 | 0.06 | 11 | 0.19 | +http://wmaid.com/explore/ |
| 16 | 10 | 0.05 | 5 | 0.09 | http://www.searchmetrics.com/en/searchme... |
| 17 | 7 | 0.03 | 4 | 0.07 | +http://www.exabot.com/go/robot |
| 18 | 6 | 0.03 | 6 | 0.10 | Linux i686 [unknown version] |
| 19 | 6 | 0.03 | 1 | 0.02 | X11 |
| 20 | 5 | 0.02 | 1 | 0.02 | BlackBerry |
| 21 | 4 | 0.02 | 1 | 0.02 | http://www.lipperhey.com/ |
| 22 | 4 | 0.02 | 1 | 0.02 | +http://getdownload.ws |
| 23 | 4 | 0.02 | 1 | 0.02 | +http://help.coccoc.com/ |
| 24 | 4 | 0.02 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 25 | 4 | 0.02 | 1 | 0.02 | +http://www.semrush.com/bot.html |
| 26 | 4 | 0.02 | 1 | 0.02 | +http://dl2engine.net |
| 27 | 3 | 0.01 | 3 | 0.05 | info@muso.com; +http://www.muso.com |
| 28 | 3 | 0.01 | 1 | 0.02 | +http://onlythegames.com |
| 29 | 3 | 0.01 | 1 | 0.02 | Android 2.3.5 |
| 30 | 3 | 0.01 | 0 | 0.00 | Windows 98 |
| 31 | 3 | 0.01 | 1 | 0.02 | +http://www.profound.net/domainappender |
| 32 | 3 | 0.01 | 1 | 0.02 | +http://mydownloadengine.com |
| 33 | 3 | 0.01 | 1 | 0.02 | +http://a14download.com |
| 34 | 2 | 0.01 | 0 | 0.00 | Win32 |
| 35 | 2 | 0.01 | 1 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 36 | 2 | 0.01 | 2 | 0.03 | Windows CE |
| 37 | 2 | 0.01 | 1 | 0.02 | http://crawler.sistrix.net/ |
| 38 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 39 | 2 | 0.01 | 1 | 0.02 | +http://www.linkpad.ru |
| 40 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 41 | 2 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 42 | 1 | 0.00 | 1 | 0.02 | Windows ME |
| 43 | 1 | 0.00 | 1 | 0.02 | Windows 95 |
| 44 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 45 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 46 | 1 | 0.00 | 1 | 0.02 | +http://www.xovibot.net/ |
| 47 | 1 | 0.00 | 0 | 0.00 | +http://www.google.com/bot.nml |
| 48 | 1 | 0.00 | 0 | 0.00 | +http://nlp.fi.muni.cz/projects/biwec/ |
| 49 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 50 | 1 | 0.00 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 51 | 1 | 0.00 | 1 | 0.02 | Windows 3.1 |
