| Used Operating Systems |
| 1 | 17717 | 33.19 | 164 | 2.10 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 14377 | 26.93 | 239 | 3.06 | +http://ahrefs.com/robot/ |
| 3 | 6215 | 11.64 | 1643 | 21.01 | Windows NT |
| 4 | 5140 | 9.63 | 3922 | 50.15 | +http://www.baidu.com/search/spider.html |
| 5 | 3754 | 7.03 | 999 | 12.77 | +http://www.bing.com/bingbot.htm |
| 6 | 3298 | 6.18 | 1 | 0.01 | +http://megaindex.com/crawler |
| 7 | 1186 | 2.22 | 269 | 3.44 | +http://www.xovibot.net/ |
| 8 | 822 | 1.54 | 349 | 4.46 | +http://www.google.com/bot.html |
| 9 | 275 | 0.52 | 67 | 0.86 | +http://yandex.com/bots |
| 10 | 121 | 0.23 | 33 | 0.42 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 92 | 0.17 | 24 | 0.31 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 87 | 0.16 | 12 | 0.15 | Windows 98 |
| 13 | 48 | 0.09 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 14 | 48 | 0.09 | 17 | 0.22 | Windows 95 |
| 15 | 43 | 0.08 | 16 | 0.20 | +http://www.linkdex.com/bots/ |
| 16 | 30 | 0.06 | 9 | 0.12 | Windows XP |
| 17 | 22 | 0.04 | 22 | 0.28 | actually this is http://ismyblogworking.... |
| 18 | 14 | 0.03 | 4 | 0.05 | Windows CE |
| 19 | 12 | 0.02 | 3 | 0.04 | Windows ME |
| 20 | 9 | 0.02 | 3 | 0.04 | +http://prlog.ru/ |
| 21 | 7 | 0.01 | 2 | 0.03 | Windows 2000 |
| 22 | 7 | 0.01 | 0 | 0.00 | http://drive.google.com |
| 23 | 7 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 24 | 6 | 0.01 | 2 | 0.03 | Auto; Windows |
| 25 | 6 | 0.01 | 3 | 0.04 | http://nmap.org/book/nse.html |
| 26 | 6 | 0.01 | 1 | 0.01 | +http://sur.ly/bot.html |
| 27 | 6 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 28 | 6 | 0.01 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 29 | 5 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 30 | 4 | 0.01 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 32 | 3 | 0.01 | 3 | 0.04 | +http://tobbot.com/ |
| 33 | 3 | 0.01 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 34 | 3 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 35 | 2 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 36 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 37 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 38 | 1 | 0.00 | 1 | 0.01 | +http://www.wmtips.com/tools/ |
| 39 | 1 | 0.00 | 1 | 0.01 | X11 |
