| Used Operating Systems |
| 1 | 14087 | 34.02 | 105 | 1.55 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 11787 | 28.46 | 139 | 2.05 | +http://ahrefs.com/robot/ |
| 3 | 5898 | 14.24 | 2100 | 30.96 | Windows NT |
| 4 | 3006 | 7.26 | 2438 | 35.95 | +http://www.baidu.com/search/spider.html |
| 5 | 2546 | 6.15 | 835 | 12.31 | +http://www.xovibot.net/ |
| 6 | 879 | 2.12 | 3 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 7 | 799 | 1.93 | 1 | 0.01 | +http://megaindex.com/crawler |
| 8 | 390 | 0.94 | 133 | 1.96 | +http://www.linkdex.com/bots/ |
| 9 | 378 | 0.91 | 177 | 2.61 | +http://www.google.com/bot.html |
| 10 | 367 | 0.89 | 184 | 2.71 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 265 | 0.64 | 71 | 1.05 | +http://yandex.com/bots |
| 12 | 247 | 0.60 | 133 | 1.96 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 233 | 0.56 | 126 | 1.86 | +http://www.bing.com/bingbot.htm |
| 14 | 134 | 0.32 | 122 | 1.80 | Windows 95 |
| 15 | 76 | 0.18 | 26 | 0.38 | Windows 98 |
| 16 | 25 | 0.06 | 24 | 0.35 | Auto; Windows |
| 17 | 25 | 0.06 | 8 | 0.12 | http://www.opensiteexplorer.org/dotbot, ... |
| 18 | 23 | 0.06 | 21 | 0.31 | Windows ME |
| 19 | 22 | 0.05 | 20 | 0.29 | Windows 2000 |
| 20 | 22 | 0.05 | 4 | 0.06 | Windows XP |
| 21 | 21 | 0.05 | 21 | 0.31 | MSIE 5.5; Windows NT 5.0 |
| 22 | 21 | 0.05 | 7 | 0.10 | +http://www.exabot.com/go/robot |
| 23 | 20 | 0.05 | 20 | 0.29 | MSIE 5.5; Windows NT 4.0 |
| 24 | 19 | 0.05 | 18 | 0.27 | Windows 3.1 |
| 25 | 18 | 0.04 | 17 | 0.25 | Windows CE |
| 26 | 17 | 0.04 | 3 | 0.04 | X11 |
| 27 | 15 | 0.04 | 1 | 0.01 | Linux i686 [unknown version] |
| 28 | 15 | 0.04 | 1 | 0.01 | +http://www.semrush.com/bot.html |
| 29 | 15 | 0.04 | 14 | 0.21 | ) - BrowseX (2.0.0 Windows |
| 30 | 12 | 0.03 | 1 | 0.01 | Android 2.3.5 |
| 31 | 7 | 0.02 | 1 | 0.01 | http://filterdb.iss.net/crawler/ |
| 32 | 5 | 0.01 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 33 | 4 | 0.01 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 34 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 35 | 3 | 0.01 | 1 | 0.01 | +http://fulltext.sblog.cz/ |
| 36 | 2 | 0.00 | 1 | 0.01 | support.orangebot@orange.com |
| 37 | 1 | 0.00 | 0 | 0.00 | Windows 9x |
| 38 | 1 | 0.00 | 1 | 0.01 | Linux i586 [unknown version] |
| 39 | 1 | 0.00 | 0 | 0.00 | FreeBSD [unknown version] |
