| Used Operating Systems |
| 1 | 34028 | 50.67 | 757 | 8.49 | http://www.opensiteexplorer.org/dotbot, ... |
| 2 | 19013 | 28.31 | 602 | 6.75 | +http://yandex.com/bots |
| 3 | 4461 | 6.64 | 1699 | 19.06 | Windows NT |
| 4 | 1928 | 2.87 | 1044 | 11.71 | +http://www.google.com/bot.html |
| 5 | 1898 | 2.83 | 1706 | 19.13 | +http://www.baidu.com/search/spider.html |
| 6 | 809 | 1.20 | 36 | 0.40 | http://mj12bot.com/ |
| 7 | 722 | 1.08 | 275 | 3.08 | +http://www.bing.com/bingbot.htm |
| 8 | 417 | 0.62 | 117 | 1.31 | +http://www.linkdex.com/bots/ |
| 9 | 262 | 0.39 | 242 | 2.71 | Windows 2002 |
| 10 | 256 | 0.38 | 113 | 1.27 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 249 | 0.37 | 235 | 2.64 | Windows 2004 |
| 12 | 243 | 0.36 | 224 | 2.51 | Windows 2005 |
| 13 | 242 | 0.36 | 227 | 2.55 | Windows 9 |
| 14 | 241 | 0.36 | 218 | 2.45 | Windows 2006 |
| 15 | 240 | 0.36 | 219 | 2.46 | Windows 2008 |
| 16 | 239 | 0.36 | 160 | 1.79 | Windows 95 |
| 17 | 236 | 0.35 | 222 | 2.49 | Windows 2007 |
| 18 | 215 | 0.32 | 204 | 2.29 | Windows 2003 |
| 19 | 192 | 0.29 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 20 | 157 | 0.23 | 129 | 1.45 | +http://ahrefs.com/robot/ |
| 21 | 156 | 0.23 | 64 | 0.72 | Windows 98 |
| 22 | 120 | 0.18 | 45 | 0.50 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 23 | 110 | 0.16 | 5 | 0.06 | +http://siteexplorer.info/Backlink-Check... |
| 24 | 77 | 0.11 | 73 | 0.82 | +http://www.uptime.com/uptimebot |
| 25 | 73 | 0.11 | 1 | 0.01 | Linux i686 [unknown version] |
| 26 | 72 | 0.11 | 1 | 0.01 | +http://www.semrush.com/bot.html |
| 27 | 62 | 0.09 | 18 | 0.20 | Windows XP |
| 28 | 44 | 0.07 | 33 | 0.37 | Windows ME |
| 29 | 43 | 0.06 | 20 | 0.22 | +https://deusu.de/robot.html |
| 30 | 39 | 0.06 | 26 | 0.29 | Windows 3.1 |
| 31 | 37 | 0.06 | 28 | 0.31 | Auto; Windows |
| 32 | 36 | 0.05 | 27 | 0.30 | Windows 2000 |
| 33 | 36 | 0.05 | 25 | 0.28 | MSIE 5.5; Windows NT 5.0 |
| 34 | 29 | 0.04 | 25 | 0.28 | Windows CE |
| 35 | 29 | 0.04 | 25 | 0.28 | MSIE 5.5; Windows NT 4.0 |
| 36 | 27 | 0.04 | 3 | 0.03 | +http://www.seokicks.de/robot.html |
| 37 | 25 | 0.04 | 21 | 0.24 | ) - BrowseX (2.0.0 Windows |
| 38 | 22 | 0.03 | 10 | 0.11 | +http://napoveda.seznam.cz/en/seznambot-... |
| 39 | 11 | 0.02 | 6 | 0.07 | +http://www.exabot.com/go/robot |
| 40 | 10 | 0.01 | 5 | 0.06 | +http://duckduckgo.com |
| 41 | 8 | 0.01 | 2 | 0.02 | Android |
| 42 | 8 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 43 | 6 | 0.01 | 3 | 0.03 | http://www.botje.com/plukkie.htm |
| 44 | 6 | 0.01 | 3 | 0.03 | X11 |
| 45 | 4 | 0.01 | 2 | 0.02 | http://yooz.ir; info@yooz.ir |
| 46 | 4 | 0.01 | 3 | 0.03 | +info@netcraft.com |
| 47 | 3 | 0.00 | 2 | 0.02 | Android 2.3.5 |
| 48 | 2 | 0.00 | 2 | 0.02 | +http://pmoz.info/doc/botinfo.htm |
| 49 | 2 | 0.00 | 1 | 0.01 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 50 | 2 | 0.00 | 2 | 0.02 | Android 4.1 |
| 51 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 52 | 1 | 0.00 | 1 | 0.01 | +http://www.google.com/bot.html,Yahoo! S... |
| 53 | 1 | 0.00 | 1 | 0.01 | +http://www.id-search.xyz/bot.html |
| 54 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
