| Used Operating Systems |
| 1 | 15871 | 49.08 | 135 | 2.30 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 6043 | 18.69 | 2056 | 35.04 | Windows NT |
| 3 | 2337 | 7.23 | 92 | 1.57 | +http://ahrefs.com/robot/ |
| 4 | 2309 | 7.14 | 2119 | 36.11 | +http://www.baidu.com/search/spider.html |
| 5 | 1224 | 3.79 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 6 | 958 | 2.96 | 253 | 4.31 | +http://www.bing.com/bingbot.htm |
| 7 | 938 | 2.90 | 252 | 4.29 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 711 | 2.20 | 265 | 4.52 | +http://www.google.com/bot.html |
| 9 | 525 | 1.62 | 276 | 4.70 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 279 | 0.86 | 2 | 0.03 | +http://www.seokicks.de/robot.html |
| 11 | 211 | 0.65 | 51 | 0.87 | +http://www.linkdex.com/bots/ |
| 12 | 181 | 0.56 | 94 | 1.60 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 170 | 0.53 | 118 | 2.01 | +http://www.xovibot.net/ |
| 14 | 128 | 0.40 | 57 | 0.97 | +http://yandex.com/bots |
| 15 | 96 | 0.30 | 5 | 0.09 | +http://fulltext.sblog.cz/ |
| 16 | 80 | 0.25 | 4 | 0.07 | Linux i586 [unknown version] |
| 17 | 51 | 0.16 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 18 | 37 | 0.11 | 13 | 0.22 | Windows XP |
| 19 | 34 | 0.11 | 17 | 0.29 | +http://duckduckgo.com |
| 20 | 28 | 0.09 | 6 | 0.10 | X11 |
| 21 | 24 | 0.07 | 12 | 0.20 | Windows 95 |
| 22 | 16 | 0.05 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 23 | 16 | 0.05 | 4 | 0.07 | Windows 98 |
| 24 | 16 | 0.05 | 7 | 0.12 | +http://www.exabot.com/go/robot |
| 25 | 9 | 0.03 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 26 | 7 | 0.02 | 1 | 0.02 | Android 2.3.5 |
| 27 | 5 | 0.02 | 3 | 0.05 | Windows 3.1 |
| 28 | 4 | 0.01 | 2 | 0.03 | +http://sur.ly/bot.html |
| 29 | 4 | 0.01 | 4 | 0.07 | Linux i686 [unknown version] |
| 30 | 4 | 0.01 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 3 | 0.01 | 3 | 0.05 | Linux [unknown version] |
| 32 | 2 | 0.01 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 33 | 2 | 0.01 | 1 | 0.02 | PPC Mac OS X Mach-O |
| 34 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 35 | 2 | 0.01 | 0 | 0.00 | +http://www.profound.net/domainappender |
| 36 | 2 | 0.01 | 2 | 0.03 | +http://domainsigma.com/robot |
| 37 | 1 | 0.00 | 1 | 0.02 | Windows CE |
| 38 | 1 | 0.00 | 1 | 0.02 | OpenBSD [unknown version] |
| 39 | 1 | 0.00 | 1 | 0.02 | Windows 2000 |
| 40 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 41 | 1 | 0.00 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 42 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 43 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 44 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 45 | 1 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
