| Used Operating Systems |
| 1 | 16046 | 51.81 | 144 | 2.33 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3651 | 11.79 | 2348 | 38.05 | Windows NT |
| 3 | 3493 | 11.28 | 2570 | 41.65 | +http://www.baidu.com/search/spider.html |
| 4 | 3358 | 10.84 | 236 | 3.82 | +http://yandex.com/bots |
| 5 | 1095 | 3.54 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 6 | 1062 | 3.43 | 345 | 5.59 | +http://www.google.com/bot.html |
| 7 | 903 | 2.92 | 255 | 4.13 | +http://www.bing.com/bingbot.htm |
| 8 | 512 | 1.65 | 4 | 0.06 | +http://www.warebay.com/bot.html |
| 9 | 349 | 1.13 | 60 | 0.97 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 118 | 0.38 | 27 | 0.44 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 112 | 0.36 | 31 | 0.50 | +http://www.linkdex.com/bots/ |
| 12 | 89 | 0.29 | 20 | 0.32 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 52 | 0.17 | 51 | 0.83 | +info@netcraft.com |
| 14 | 33 | 0.11 | 30 | 0.49 | Windows 95 |
| 15 | 28 | 0.09 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 16 | 15 | 0.05 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 17 | 13 | 0.04 | 8 | 0.13 | Windows 98 |
| 18 | 7 | 0.02 | 7 | 0.11 | ) - BrowseX (2.0.0 Windows |
| 19 | 6 | 0.02 | 6 | 0.10 | Windows ME |
| 20 | 6 | 0.02 | 6 | 0.10 | MSIE 5.5; Windows NT 5.0 |
| 21 | 5 | 0.02 | 5 | 0.08 | Windows 2000 |
| 22 | 4 | 0.01 | 4 | 0.06 | Windows 3.1 |
| 23 | 3 | 0.01 | 3 | 0.05 | Windows CE |
| 24 | 3 | 0.01 | 3 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 25 | 2 | 0.01 | 1 | 0.02 | Windows XP |
| 26 | 2 | 0.01 | 0 | 0.00 | +http://www.findxbot.com |
| 27 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 28 | 1 | 0.00 | 1 | 0.02 | Auto; Windows |
| 29 | 1 | 0.00 | 1 | 0.02 | Linux [unknown version] |
| 30 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 31 | 1 | 0.00 | 0 | 0.00 | X11 |
