| Used Operating Systems |
| 1 | 11609 | 23.94 | 112 | 1.87 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 8535 | 17.60 | 221 | 3.69 | +http://ahrefs.com/robot/ |
| 3 | 7020 | 14.48 | 1970 | 32.87 | Windows NT |
| 4 | 6564 | 13.54 | 1 | 0.02 | +http://megaindex.com/crawler |
| 5 | 3084 | 6.36 | 473 | 7.89 | +http://www.bing.com/bingbot.htm |
| 6 | 2972 | 6.13 | 387 | 6.46 | +http://www.google.com/bot.html |
| 7 | 2749 | 5.67 | 1788 | 29.83 | +http://www.baidu.com/search/spider.html |
| 8 | 1843 | 3.80 | 316 | 5.27 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 1297 | 2.68 | 146 | 2.44 | +http://yandex.com/bots |
| 10 | 860 | 1.77 | 227 | 3.79 | +http://www.linkdex.com/bots/ |
| 11 | 511 | 1.05 | 4 | 0.07 | +http://www.warebay.com/bot.html |
| 12 | 375 | 0.77 | 177 | 2.95 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 315 | 0.65 | 12 | 0.20 | +http://www.findxbot.com |
| 14 | 250 | 0.52 | 1 | 0.02 | Linux i586 [unknown version] |
| 15 | 169 | 0.35 | 11 | 0.18 | +http://fulltext.sblog.cz/ |
| 16 | 113 | 0.23 | 74 | 1.23 | +http://www.xovibot.net/ |
| 17 | 43 | 0.09 | 11 | 0.18 | Windows 95 |
| 18 | 30 | 0.06 | 11 | 0.18 | Windows 98 |
| 19 | 24 | 0.05 | 8 | 0.13 | Windows XP |
| 20 | 22 | 0.05 | 9 | 0.15 | +http://www.exabot.com/go/robot |
| 21 | 12 | 0.02 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 22 | 12 | 0.02 | 6 | 0.10 | +http://duckduckgo.com |
| 23 | 11 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 24 | 10 | 0.02 | 2 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 25 | 6 | 0.01 | 2 | 0.03 | Auto; Windows |
| 26 | 6 | 0.01 | 2 | 0.03 | Windows 3.1 |
| 27 | 6 | 0.01 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 28 | 5 | 0.01 | 2 | 0.03 | Windows CE |
| 29 | 4 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 30 | 3 | 0.01 | 1 | 0.02 | Windows 2000 |
| 31 | 3 | 0.01 | 1 | 0.02 | Windows ME |
| 32 | 3 | 0.01 | 1 | 0.02 | +http://prlog.ru/ |
| 33 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 34 | 2 | 0.00 | 2 | 0.03 | Linux i686 [unknown version] |
| 35 | 2 | 0.00 | 1 | 0.02 | +info@netcraft.com |
| 36 | 2 | 0.00 | 2 | 0.03 | PPC Mac OS X Mach-O |
| 37 | 2 | 0.00 | 2 | 0.03 | +http://tobbot.com/ |
| 38 | 2 | 0.00 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 39 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 40 | 1 | 0.00 | 1 | 0.02 | +http://glutenfreepleasure.com/ |
| 41 | 1 | 0.00 | 1 | 0.02 | Intel Mac OS X 10.4 |
| 42 | 1 | 0.00 | 1 | 0.02 | Linux [unknown version] |
| 43 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 44 | 1 | 0.00 | 1 | 0.02 | +http://domainmacro.com |
| 45 | 1 | 0.00 | 1 | 0.02 | X11 |
