| Used Operating Systems |
| 1 | 23360 | 45.10 | 243 | 1.96 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 12330 | 23.80 | 7756 | 62.53 | +http://ahrefs.com/robot/ |
| 3 | 8539 | 16.49 | 457 | 3.68 | Windows NT |
| 4 | 4096 | 7.91 | 3093 | 24.94 | +http://www.baidu.com/search/spider.html |
| 5 | 1931 | 3.73 | 58 | 0.47 | +http://yandex.com/bots |
| 6 | 479 | 0.92 | 257 | 2.07 | +http://www.bing.com/bingbot.htm |
| 7 | 401 | 0.77 | 180 | 1.45 | +http://www.google.com/bot.html |
| 8 | 359 | 0.69 | 254 | 2.05 | +http://www.xovibot.net/ |
| 9 | 90 | 0.17 | 22 | 0.18 | +http://www.linkdex.com/bots/ |
| 10 | 42 | 0.08 | 19 | 0.15 | Windows XP |
| 11 | 37 | 0.07 | 12 | 0.10 | Windows 95 |
| 12 | 24 | 0.05 | 12 | 0.10 | Windows 98 |
| 13 | 20 | 0.04 | 3 | 0.02 | Windows 2000 |
| 14 | 16 | 0.03 | 5 | 0.04 | Windows CE |
| 15 | 15 | 0.03 | 5 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 16 | 10 | 0.02 | 3 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 17 | 8 | 0.02 | 4 | 0.03 | http://www.opensiteexplorer.org/dotbot, ... |
| 18 | 8 | 0.02 | 3 | 0.02 | Linux i686 [unknown version] |
| 19 | 6 | 0.01 | 2 | 0.02 | +https://www.dataprovider.com/ |
| 20 | 5 | 0.01 | 3 | 0.02 | Auto; Windows |
| 21 | 5 | 0.01 | 3 | 0.02 | Windows ME |
| 22 | 4 | 0.01 | 2 | 0.02 | Windows 3.1 |
| 23 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 24 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 25 | 2 | 0.00 | 1 | 0.01 | +spider@seoscanners.net |
| 26 | 2 | 0.00 | 2 | 0.02 | WinHttp.WinHttpRequest.5 |
| 27 | 1 | 0.00 | 1 | 0.01 | crawler@mixrank.com |
| 28 | 1 | 0.00 | 1 | 0.01 | Win32 |
| 29 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
