| Used Operating Systems |
| 1 | 14441 | 29.29 | 297 | 2.41 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 6056 | 12.28 | 2376 | 19.30 | Windows NT |
| 3 | 5501 | 11.16 | 1593 | 12.94 | +http://www.bing.com/bingbot.htm |
| 4 | 3271 | 6.63 | 1541 | 12.52 | +http://www.google.com/bot.html |
| 5 | 3160 | 6.41 | 1056 | 8.58 | +http://ahrefs.com/robot/ |
| 6 | 2998 | 6.08 | 1 | 0.01 | +http://www.seokicks.de/robot.html |
| 7 | 2749 | 5.58 | 2667 | 21.66 | +http://www.baidu.com/search/spider.html |
| 8 | 2487 | 5.04 | 1185 | 9.63 | +http://www.easou.com/search/spider.html |
| 9 | 1836 | 3.72 | 4 | 0.03 | http://crawler.sistrix.net/ |
| 10 | 1116 | 2.26 | 285 | 2.32 | +http://yandex.com/bots |
| 11 | 1095 | 2.22 | 528 | 4.29 | +http://www.linkdex.com/bots/ |
| 12 | 1093 | 2.22 | 99 | 0.80 | +http://www.profound.net/urlappendbot.ht... |
| 13 | 999 | 2.03 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 14 | 775 | 1.57 | 199 | 1.62 | +http://www.exabot.com/go/robot |
| 15 | 558 | 1.13 | 46 | 0.37 | Windows 98 |
| 16 | 455 | 0.92 | 184 | 1.49 | http://www.opensiteexplorer.org/dotbot, ... |
| 17 | 140 | 0.28 | 2 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 18 | 138 | 0.28 | 93 | 0.76 | http://help.yahoo.com/help/us/ysearch/sl... |
| 19 | 118 | 0.24 | 63 | 0.51 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 63 | 0.13 | 36 | 0.29 | +http://www.proximic.com/info/spider.php |
| 21 | 62 | 0.13 | 1 | 0.01 | +http://www.linkpad.ru |
| 22 | 36 | 0.07 | 1 | 0.01 | http://www.lipperhey.com/ |
| 23 | 30 | 0.06 | 6 | 0.05 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 24 | 15 | 0.03 | 2 | 0.02 | +http://www.semrush.com/bot.html |
| 25 | 14 | 0.03 | 4 | 0.03 | X11 |
| 26 | 13 | 0.03 | 4 | 0.03 | +http://gimme60.com |
| 27 | 12 | 0.02 | 6 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 28 | 9 | 0.02 | 7 | 0.06 | +http://www.netseer.com/crawler.html; cr... |
| 29 | 8 | 0.02 | 3 | 0.02 | Intel Mac OS X 10.6 |
| 30 | 6 | 0.01 | 2 | 0.02 | Windows 92 |
| 31 | 5 | 0.01 | 1 | 0.01 | +http://p4load.com/ |
| 32 | 5 | 0.01 | 3 | 0.02 | Windows 95 |
| 33 | 5 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 34 | 4 | 0.01 | 1 | 0.01 | J2ME/MIDP |
| 35 | 4 | 0.01 | 2 | 0.02 | +http://help.coccoc.com/ |
| 36 | 4 | 0.01 | 2 | 0.02 | +http://fulltext.sblog.cz/ |
| 37 | 3 | 0.01 | 2 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 38 | 3 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 39 | 3 | 0.01 | 1 | 0.01 | +http://freedlf.com/ |
| 40 | 2 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 41 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 42 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 43 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 44 | 1 | 0.00 | 1 | 0.01 | Windows CE |
| 45 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 46 | 1 | 0.00 | 1 | 0.01 | +http://136.186.231.16 |
| 47 | 1 | 0.00 | 1 | 0.01 | +http://wmaid.com/explore/ |
| 48 | 1 | 0.00 | 1 | 0.01 | +http://www.loadtime.net/bot.html |
| 49 | 1 | 0.00 | 1 | 0.01 | FreeBSD [unknown version] |
| 50 | 1 | 0.00 | 0 | 0.00 | Windows XP |
