| Used Operating Systems |
| 1 | 23899 | 32.12 | 230 | 1.10 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 18966 | 25.49 | 11904 | 57.05 | +http://ahrefs.com/robot/ |
| 3 | 9865 | 13.26 | 864 | 4.14 | Windows NT |
| 4 | 9772 | 13.13 | 6755 | 32.37 | +http://www.baidu.com/search/spider.html |
| 5 | 8751 | 11.76 | 253 | 1.21 | +http://yandex.com/bots |
| 6 | 1040 | 1.40 | 4 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 7 | 784 | 1.05 | 391 | 1.87 | +http://www.google.com/bot.html |
| 8 | 698 | 0.94 | 273 | 1.31 | +http://www.bing.com/bingbot.htm |
| 9 | 227 | 0.31 | 18 | 0.09 | +http://www.semrush.com/bot.html |
| 10 | 121 | 0.16 | 5 | 0.02 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 79 | 0.11 | 51 | 0.24 | +http://www.xovibot.net/ |
| 12 | 46 | 0.06 | 10 | 0.05 | Windows XP |
| 13 | 39 | 0.05 | 31 | 0.15 | Windows 95 |
| 14 | 30 | 0.04 | 9 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 15 | 23 | 0.03 | 9 | 0.04 | Windows 3.1 |
| 16 | 19 | 0.03 | 15 | 0.07 | Windows 98 |
| 17 | 12 | 0.02 | 12 | 0.06 | Windows CE |
| 18 | 11 | 0.01 | 9 | 0.04 | +http://www.uptime.com/uptimebot |
| 19 | 6 | 0.01 | 6 | 0.03 | Auto; Windows |
| 20 | 5 | 0.01 | 5 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 21 | 4 | 0.01 | 4 | 0.02 | Windows 2000 |
| 22 | 4 | 0.01 | 4 | 0.02 | Windows ME |
| 23 | 4 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 24 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 25 | 2 | 0.00 | 2 | 0.01 | Linux [unknown version] |
| 26 | 2 | 0.00 | 1 | 0.00 | +info@netcraft.com |
| 27 | 1 | 0.00 | 1 | 0.00 | ) - BrowseX (2.0.0 Windows |
