| Used Operating Systems |
| 1 | 17726 | 39.53 | 137 | 1.39 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 10129 | 22.59 | 4214 | 42.81 | +http://ahrefs.com/robot/ |
| 3 | 5361 | 11.95 | 3753 | 38.13 | +http://www.baidu.com/search/spider.html |
| 4 | 5160 | 11.51 | 750 | 7.62 | Windows NT |
| 5 | 3001 | 6.69 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 6 | 1661 | 3.70 | 434 | 4.41 | +http://www.bing.com/bingbot.htm |
| 7 | 823 | 1.84 | 398 | 4.04 | +http://www.google.com/bot.html |
| 8 | 367 | 0.82 | 86 | 0.87 | +http://yandex.com/bots |
| 9 | 249 | 0.56 | 1 | 0.01 | Linux [unknown version] |
| 10 | 98 | 0.22 | 9 | 0.09 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 73 | 0.16 | 9 | 0.09 | Windows 95 |
| 12 | 66 | 0.15 | 17 | 0.17 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 24 | 0.05 | 3 | 0.03 | Windows CE |
| 14 | 17 | 0.04 | 1 | 0.01 | Windows 98 |
| 15 | 16 | 0.04 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 16 | 16 | 0.04 | 15 | 0.15 | +http://www.uptime.com/uptimebot |
| 17 | 8 | 0.02 | 1 | 0.01 | Windows 2000 |
| 18 | 8 | 0.02 | 0 | 0.00 | Windows XP |
| 19 | 8 | 0.02 | 1 | 0.01 | Windows 3.1 |
| 20 | 8 | 0.02 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 21 | 8 | 0.02 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 22 | 5 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 23 | 4 | 0.01 | 3 | 0.03 | +info@netcraft.com |
| 24 | 3 | 0.01 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 25 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 1 | 0.00 | 1 | 0.01 | +http://glutenfreepleasure.com/ |
| 27 | 1 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
| 28 | 1 | 0.00 | 1 | 0.01 | Android 2.3.5 |
