| Used Operating Systems |
| 1 | 68332 | 66.44 | 733 | 4.21 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 21452 | 20.86 | 13639 | 78.34 | +http://ahrefs.com/robot/ |
| 3 | 7380 | 7.18 | 851 | 4.89 | Windows NT |
| 4 | 1670 | 1.62 | 304 | 1.75 | +http://www.linkdex.com/bots/ |
| 5 | 934 | 0.91 | 204 | 1.17 | +http://www.bing.com/bingbot.htm |
| 6 | 898 | 0.87 | 767 | 4.41 | +http://www.baidu.com/search/spider.html |
| 7 | 690 | 0.67 | 147 | 0.84 | +http://yandex.com/bots |
| 8 | 604 | 0.59 | 359 | 2.06 | +http://www.xovibot.net/ |
| 9 | 453 | 0.44 | 150 | 0.86 | +http://www.google.com/bot.html |
| 10 | 93 | 0.09 | 59 | 0.34 | Windows 95 |
| 11 | 91 | 0.09 | 20 | 0.11 | Windows 98 |
| 12 | 55 | 0.05 | 52 | 0.30 | +http://www.uptime.com/uptimebot |
| 13 | 28 | 0.03 | 19 | 0.11 | Windows 3.1 |
| 14 | 24 | 0.02 | 19 | 0.11 | Windows 2000 |
| 15 | 24 | 0.02 | 2 | 0.01 | +https://www.dataprovider.com/ |
| 16 | 21 | 0.02 | 6 | 0.03 | Windows XP |
| 17 | 18 | 0.02 | 17 | 0.10 | ) - BrowseX (2.0.0 Windows |
| 18 | 14 | 0.01 | 13 | 0.07 | Auto; Windows |
| 19 | 13 | 0.01 | 10 | 0.06 | Windows ME |
| 20 | 11 | 0.01 | 10 | 0.06 | Windows CE |
| 21 | 11 | 0.01 | 10 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 22 | 11 | 0.01 | 10 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 23 | 8 | 0.01 | 4 | 0.02 | http://www.opensiteexplorer.org/dotbot, ... |
| 24 | 4 | 0.00 | 2 | 0.01 | http://www.botje.com/plukkie.htm |
| 25 | 3 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 26 | 2 | 0.00 | 2 | 0.01 | Linux [unknown version] |
