| Used Operating Systems |
| 1 | 36160 | 50.83 | 450 | 3.10 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 9371 | 13.17 | 4169 | 28.77 | +http://ahrefs.com/robot/ |
| 3 | 4633 | 6.51 | 1736 | 11.98 | +http://www.bing.com/bingbot.htm |
| 4 | 4368 | 6.14 | 1831 | 12.63 | +http://www.google.com/bot.html |
| 5 | 3392 | 4.77 | 1877 | 12.95 | Windows NT |
| 6 | 2422 | 3.40 | 1177 | 8.12 | +http://www.easou.com/search/spider.html |
| 7 | 1995 | 2.80 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 8 | 1937 | 2.72 | 1837 | 12.68 | +http://www.baidu.com/search/spider.html |
| 9 | 1437 | 2.02 | 3 | 0.02 | http://crawler.sistrix.net/ |
| 10 | 1330 | 1.87 | 299 | 2.06 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 1078 | 1.52 | 540 | 3.73 | +http://www.linkdex.com/bots/ |
| 12 | 759 | 1.07 | 1 | 0.01 | http://crawler.007ac9.net/ |
| 13 | 671 | 0.94 | 44 | 0.30 | Windows 98 |
| 14 | 633 | 0.89 | 192 | 1.32 | +http://yandex.com/bots |
| 15 | 231 | 0.32 | 21 | 0.14 | +http://www.profound.net/urlappendbot.ht... |
| 16 | 188 | 0.26 | 94 | 0.65 | +http://www.exabot.com/go/robot |
| 17 | 146 | 0.21 | 99 | 0.68 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 140 | 0.20 | 2 | 0.01 | http://www.searchmetrics.com/en/searchme... |
| 19 | 48 | 0.07 | 25 | 0.17 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 47 | 0.07 | 27 | 0.19 | +http://www.proximic.com/info/spider.php |
| 21 | 35 | 0.05 | 2 | 0.01 | WinHttp.WinHttpRequest.5 |
| 22 | 15 | 0.02 | 10 | 0.07 | +http://wmaid.com/explore/ |
| 23 | 12 | 0.02 | 9 | 0.06 | +http://www.netseer.com/crawler.html; cr... |
| 24 | 11 | 0.02 | 3 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 25 | 8 | 0.01 | 3 | 0.02 | +http://help.coccoc.com/ |
| 26 | 8 | 0.01 | 7 | 0.05 | Intel Mac OS X 10.6 |
| 27 | 8 | 0.01 | 4 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 28 | 6 | 0.01 | 2 | 0.01 | +http://inload.in |
| 29 | 5 | 0.01 | 2 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 30 | 5 | 0.01 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 31 | 4 | 0.01 | 1 | 0.01 | MTK |
| 32 | 4 | 0.01 | 2 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 33 | 4 | 0.01 | 2 | 0.01 | +http://fulltext.sblog.cz/ |
| 34 | 3 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 35 | 3 | 0.00 | 1 | 0.01 | +http://getdownload.ws |
| 36 | 3 | 0.00 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 37 | 3 | 0.00 | 2 | 0.01 | Android 2.3.5 |
| 38 | 3 | 0.00 | 3 | 0.02 | +http://www.loadtime.net/bot.html |
| 39 | 3 | 0.00 | 3 | 0.02 | X11 |
| 40 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 41 | 1 | 0.00 | 1 | 0.01 | Windows XP |
| 42 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 43 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 44 | 1 | 0.00 | 1 | 0.01 | Trident/6.0; Windows NT 5.2; ZangoToolba... |
| 45 | 1 | 0.00 | 1 | 0.01 | Macintosh |
| 46 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 47 | 1 | 0.00 | 1 | 0.01 | FreeBSD 4.x |
| 48 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
| 49 | 1 | 0.00 | 1 | 0.01 | Windows 95 |
| 50 | 1 | 0.00 | 1 | 0.01 | Trident/6.0; Windows NT 6.1; Avant Brows... |
| 51 | 1 | 0.00 | 1 | 0.01 | Windows ME |
