| Used Operating Systems |
| 1 | 38675 | 45.94 | 245 | 3.81 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 24586 | 29.20 | 1381 | 21.45 | Windows NT |
| 3 | 4154 | 4.93 | 259 | 4.02 | +http://ahrefs.com/robot/ |
| 4 | 4012 | 4.77 | 4 | 0.06 | http://crawler.007ac9.net/ |
| 5 | 3619 | 4.30 | 2945 | 45.74 | +http://www.baidu.com/search/spider.html |
| 6 | 2398 | 2.85 | 933 | 14.49 | +http://www.easou.com/search/spider.html |
| 7 | 2002 | 2.38 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 8 | 1298 | 1.54 | 101 | 1.57 | +http://yandex.com/bots |
| 9 | 1178 | 1.40 | 107 | 1.66 | +http://www.bing.com/bingbot.htm |
| 10 | 582 | 0.69 | 143 | 2.22 | +http://www.linkdex.com/bots/ |
| 11 | 512 | 0.61 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 12 | 500 | 0.59 | 190 | 2.95 | +http://www.google.com/bot.html |
| 13 | 259 | 0.31 | 16 | 0.25 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 62 | 0.07 | 31 | 0.48 | +http://www.meanpath.com/meanpathbot.htm... |
| 15 | 60 | 0.07 | 28 | 0.43 | http://www.opensiteexplorer.org/dotbot, ... |
| 16 | 41 | 0.05 | 3 | 0.05 | Windows 98 |
| 17 | 34 | 0.04 | 2 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 18 | 28 | 0.03 | 0 | 0.00 | J2ME/MIDP |
| 19 | 20 | 0.02 | 0 | 0.00 | Linux i686 [unknown version] |
| 20 | 16 | 0.02 | 0 | 0.00 | America Online Browser 1.1; rev1.2; Wind... |
| 21 | 16 | 0.02 | 4 | 0.06 | +http://plus5files.net |
| 22 | 16 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 23 | 10 | 0.01 | 9 | 0.14 | Windows 95 |
| 24 | 8 | 0.01 | 0 | 0.00 | BeOS BePC |
| 25 | 8 | 0.01 | 2 | 0.03 | +http://mono.name |
| 26 | 8 | 0.01 | 2 | 0.03 | +http://getdownload.ws |
| 27 | 8 | 0.01 | 4 | 0.06 | http://crawler.sistrix.net/ |
| 28 | 8 | 0.01 | 2 | 0.03 | +http://galaxydownloads.co |
| 29 | 8 | 0.01 | 0 | 0.00 | Macintosh |
| 30 | 6 | 0.01 | 2 | 0.03 | X11 |
| 31 | 6 | 0.01 | 2 | 0.03 | +http://opendownload.pw |
| 32 | 4 | 0.00 | 0 | 0.00 | Series 60 |
| 33 | 4 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 34 | 4 | 0.00 | 1 | 0.02 | +http://uni5download.com |
| 35 | 4 | 0.00 | 0 | 0.00 | Solaris 9.x |
| 36 | 4 | 0.00 | 1 | 0.02 | +http://prox100download.com |
| 37 | 4 | 0.00 | 0 | 0.00 | Windows XP |
| 38 | 4 | 0.00 | 4 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 39 | 4 | 0.00 | 1 | 0.02 | Android 2.3.5 |
| 40 | 4 | 0.00 | 0 | 0.00 | America Online Browser 1.1; rev1.1; Wind... |
| 41 | 2 | 0.00 | 2 | 0.03 | Windows 2000 |
| 42 | 2 | 0.00 | 2 | 0.03 | Windows CE |
| 43 | 2 | 0.00 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 44 | 2 | 0.00 | 2 | 0.03 | +http://gimme60.com |
| 45 | 2 | 0.00 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 46 | 2 | 0.00 | 2 | 0.03 | +info@netcraft.com |
| 47 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 48 | 1 | 0.00 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 49 | 1 | 0.00 | 1 | 0.02 | Windows 3.1 |
| 50 | 1 | 0.00 | 1 | 0.02 | Windows ME |
