| Used Operating Systems |
| 1 | 14609 | 34.19 | 2049 | 32.15 | Windows NT |
| 2 | 6712 | 15.71 | 1499 | 23.52 | +http://www.bing.com/bingbot.htm |
| 3 | 4531 | 10.61 | 96 | 1.51 | Linux i686 [unknown version] |
| 4 | 3134 | 7.34 | 1229 | 19.28 | +http://www.google.com/bot.html |
| 5 | 1866 | 4.37 | 18 | 0.28 | +http://OpenLinkProfiler.org/bot |
| 6 | 1406 | 3.29 | 237 | 3.72 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 1372 | 3.21 | 15 | 0.24 | http://help.zum.com/inquiry |
| 8 | 1364 | 3.19 | 80 | 1.26 | Windows 98 |
| 9 | 1239 | 2.90 | 142 | 2.23 | +http://yandex.com/bots |
| 10 | 1110 | 2.60 | 2 | 0.03 | crawler@goodzer.com |
| 11 | 947 | 2.22 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 12 | 903 | 2.11 | 12 | 0.19 | +http://www.baidu.com/search/spider.html |
| 13 | 777 | 1.82 | 434 | 6.81 | +http://ahrefs.com/robot/ |
| 14 | 519 | 1.21 | 211 | 3.31 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 368 | 0.86 | 11 | 0.17 | Windows 92 |
| 16 | 234 | 0.55 | 52 | 0.82 | http://www.opensiteexplorer.org/dotbot, ... |
| 17 | 228 | 0.53 | 19 | 0.30 | +http://www.profound.net/urlappendbot.ht... |
| 18 | 154 | 0.36 | 78 | 1.22 | +http://www.exabot.com/go/robot |
| 19 | 151 | 0.35 | 7 | 0.11 | +http://endb-consolidated.aihit.com/ |
| 20 | 114 | 0.27 | 22 | 0.35 | Windows 95 |
| 21 | 98 | 0.23 | 2 | 0.03 | http://www.searchmetrics.com/en/searchme... |
| 22 | 92 | 0.22 | 26 | 0.41 | +http://fulltext.sblog.cz/ |
| 23 | 74 | 0.17 | 2 | 0.03 | BREW |
| 24 | 67 | 0.16 | 1 | 0.02 | Intel Mac OS X 10.4 |
| 25 | 66 | 0.15 | 2 | 0.03 | PPC Mac OS X 10.4 |
| 26 | 60 | 0.14 | 2 | 0.03 | +http://fulltext.sblog.cz/screenshot/ |
| 27 | 44 | 0.10 | 4 | 0.06 | +http://siteexplorer.info/ |
| 28 | 35 | 0.08 | 1 | 0.02 | +http://p4load.com/ |
| 29 | 32 | 0.07 | 5 | 0.08 | Windows CE |
| 30 | 30 | 0.07 | 3 | 0.05 | Android 2.3.5 |
| 31 | 30 | 0.07 | 10 | 0.16 | +http://wmaid.com/explore/ |
| 32 | 28 | 0.07 | 16 | 0.25 | +http://www.semrush.com/bot.html |
| 33 | 26 | 0.06 | 7 | 0.11 | +http://filterdb.iss.net/crawler/ |
| 34 | 24 | 0.06 | 0 | 0.00 | Macintosh |
| 35 | 22 | 0.05 | 8 | 0.13 | Windows 3.1 |
| 36 | 21 | 0.05 | 8 | 0.13 | http://crawler.sistrix.net/ |
| 37 | 20 | 0.05 | 4 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 38 | 18 | 0.04 | 2 | 0.03 | +http://getdownload.ws |
| 39 | 17 | 0.04 | 6 | 0.09 | Windows 2000 |
| 40 | 16 | 0.04 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 41 | 14 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 42 | 14 | 0.03 | 1 | 0.02 | X11 |
| 43 | 12 | 0.03 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 44 | 11 | 0.03 | 0 | 0.00 | Linux [unknown version] |
| 45 | 10 | 0.02 | 4 | 0.06 | Windows ME |
| 46 | 10 | 0.02 | 3 | 0.05 | Windows XP |
| 47 | 10 | 0.02 | 4 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 48 | 10 | 0.02 | 4 | 0.06 | +http://gimme60.com |
| 49 | 9 | 0.02 | 7 | 0.11 | +info@netcraft.com |
| 50 | 8 | 0.02 | 2 | 0.03 | +http://www.warebay.com/bot.html |
| 51 | 8 | 0.02 | 8 | 0.13 | +http://www.loadtime.net/bot.html |
| 52 | 7 | 0.02 | 1 | 0.02 | +http://zemlyaozer.com/bot |
| 53 | 6 | 0.01 | 2 | 0.03 | Auto; Windows |
| 54 | 4 | 0.01 | 2 | 0.03 | Win32 |
| 55 | 4 | 0.01 | 2 | 0.03 | +http://www.netseer.com/crawler.html; cr... |
| 56 | 4 | 0.01 | 0 | 0.00 | Windows 9. |
| 57 | 4 | 0.01 | 2 | 0.03 | +http://www.linkpad.ru |
| 58 | 4 | 0.01 | 2 | 0.03 | +http://prlog.ru/ |
| 59 | 4 | 0.01 | 1 | 0.02 | +http://spider.socialbm.net |
| 60 | 3 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 61 | 2 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 62 | 2 | 0.00 | 2 | 0.03 | Windows |
| 63 | 2 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 64 | 2 | 0.00 | 2 | 0.03 | +http://136.186.231.16 |
| 65 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 66 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 67 | 1 | 0.00 | 1 | 0.02 | https://help.yahoo.com/kb/mail/yahoo-lin... |
