| Used Operating Systems |
| 1 | 6977 | 39.68 | 111 | 2.19 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2826 | 16.07 | 2100 | 41.44 | +http://www.baidu.com/search/spider.html |
| 3 | 2337 | 13.29 | 988 | 19.50 | Windows NT |
| 4 | 2280 | 12.97 | 695 | 13.72 | +http://www.bing.com/bingbot.htm |
| 5 | 947 | 5.39 | 259 | 5.11 | +http://www.linkdex.com/bots/ |
| 6 | 602 | 3.42 | 346 | 6.83 | +http://www.google.com/bot.html |
| 7 | 314 | 1.79 | 10 | 0.20 | +http://fulltext.sblog.cz/ |
| 8 | 272 | 1.55 | 169 | 3.34 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 183 | 1.04 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 10 | 176 | 1.00 | 113 | 2.23 | +http://ahrefs.com/robot/ |
| 11 | 164 | 0.93 | 44 | 0.87 | +http://yandex.com/bots |
| 12 | 85 | 0.48 | 42 | 0.83 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 58 | 0.33 | 36 | 0.71 | +http://www.semrush.com/bot.html |
| 14 | 44 | 0.25 | 22 | 0.43 | +http://duckduckgo.com |
| 15 | 33 | 0.19 | 7 | 0.14 | +http://OpenLinkProfiler.org/bot |
| 16 | 29 | 0.16 | 1 | 0.02 | WinHttp.WinHttpRequest.5 |
| 17 | 28 | 0.16 | 7 | 0.14 | http://www.opensiteexplorer.org/dotbot, ... |
| 18 | 26 | 0.15 | 26 | 0.51 | +http://monasterytea.spbdyet.ru |
| 19 | 18 | 0.10 | 7 | 0.14 | Windows 98 |
| 20 | 15 | 0.09 | 8 | 0.16 | +http://www.exabot.com/go/robot |
| 21 | 13 | 0.07 | 5 | 0.10 | Windows 2000 |
| 22 | 13 | 0.07 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 23 | 13 | 0.07 | 13 | 0.26 | +http://warifort.moykrest.ru/ |
| 24 | 12 | 0.07 | 6 | 0.12 | +http://help.coccoc.com/ |
| 25 | 11 | 0.06 | 5 | 0.10 | +http://www.xovibot.net/ |
| 26 | 10 | 0.06 | 4 | 0.08 | Windows 3.1 |
| 27 | 9 | 0.05 | 4 | 0.08 | Windows 95 |
| 28 | 9 | 0.05 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 29 | 8 | 0.05 | 3 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 30 | 8 | 0.05 | 4 | 0.08 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 7 | 0.04 | 4 | 0.08 | support.orangebot@orange.com |
| 32 | 6 | 0.03 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 33 | 5 | 0.03 | 1 | 0.02 | Android |
| 34 | 5 | 0.03 | 0 | 0.00 | Linux [unknown version] |
| 35 | 5 | 0.03 | 2 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 36 | 4 | 0.02 | 2 | 0.04 | Windows XP |
| 37 | 4 | 0.02 | 4 | 0.08 | +http://domainsigma.com/robot |
| 38 | 3 | 0.02 | 1 | 0.02 | Windows CE |
| 39 | 3 | 0.02 | 1 | 0.02 | Auto; Windows |
| 40 | 3 | 0.02 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 41 | 3 | 0.02 | 2 | 0.04 | +info@netcraft.com |
| 42 | 2 | 0.01 | 2 | 0.04 | not on Windows server; |
| 43 | 2 | 0.01 | 2 | 0.04 | +https://gimmeusa.com/pages/crawler |
| 44 | 2 | 0.01 | 1 | 0.02 | Android 2.3.6 |
| 45 | 2 | 0.01 | 1 | 0.02 | +http://corp.sputnik.ru/webmaster |
| 46 | 2 | 0.01 | 2 | 0.04 | X11 |
| 47 | 1 | 0.01 | 1 | 0.02 | +http://support.embed.ly/ |
| 48 | 1 | 0.01 | 1 | 0.02 | Windows ME |
| 49 | 1 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 50 | 1 | 0.01 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 51 | 1 | 0.01 | 0 | 0.00 | snap; +http://support.embed.ly/ |
