| Used Operating Systems |
| 1 | 641 | 60.24 | 15 | 10.27 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 80 | 7.52 | 18 | 12.33 | Windows NT |
| 3 | 76 | 7.14 | 37 | 25.34 | +http://www.google.com/bot.html |
| 4 | 64 | 6.02 | 4 | 2.74 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 63 | 5.92 | 8 | 5.48 | +http://www.bing.com/bingbot.htm |
| 6 | 44 | 4.14 | 44 | 30.14 | +http://www.baidu.com/search/spider.html |
| 7 | 36 | 3.38 | 8 | 5.48 | +http://ahrefs.com/robot/ |
| 8 | 30 | 2.82 | 2 | 1.37 | +http://OpenLinkProfiler.org/bot |
| 9 | 28 | 2.63 | 10 | 6.85 | +http://www.exabot.com/go/robot |
| 10 | 2 | 0.19 | 0 | 0.00 | Linux i686 [unknown version] |
