| Used Operating Systems |
| 1 | 20519 | 39.80 | 175 | 1.22 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 9439 | 18.31 | 7692 | 53.69 | +http://ahrefs.com/robot/ |
| 3 | 6288 | 12.20 | 278 | 1.94 | +http://yandex.com/bots |
| 4 | 5330 | 10.34 | 4443 | 31.01 | +http://www.baidu.com/search/spider.html |
| 5 | 4881 | 9.47 | 570 | 3.98 | Windows NT |
| 6 | 1813 | 3.52 | 353 | 2.46 | +http://www.bing.com/bingbot.htm |
| 7 | 956 | 1.85 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 8 | 817 | 1.58 | 218 | 1.52 | +http://www.linkdex.com/bots/ |
| 9 | 657 | 1.27 | 175 | 1.22 | +http://www.xovibot.net/ |
| 10 | 417 | 0.81 | 213 | 1.49 | +http://www.google.com/bot.html |
| 11 | 162 | 0.31 | 83 | 0.58 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 59 | 0.11 | 22 | 0.15 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 36 | 0.07 | 5 | 0.03 | +spider@seoscanners.net |
| 14 | 33 | 0.06 | 24 | 0.17 | Windows 95 |
| 15 | 25 | 0.05 | 13 | 0.09 | Windows XP |
| 16 | 19 | 0.04 | 0 | 0.00 | Windows 92 |
| 17 | 16 | 0.03 | 11 | 0.08 | Windows 98 |
| 18 | 13 | 0.03 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 19 | 9 | 0.02 | 7 | 0.05 | Windows 2000 |
| 20 | 9 | 0.02 | 6 | 0.04 | Windows ME |
| 21 | 9 | 0.02 | 5 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 22 | 8 | 0.02 | 7 | 0.05 | Windows CE |
| 23 | 8 | 0.02 | 8 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 24 | 6 | 0.01 | 2 | 0.01 | +http://www.uptime.com/uptimebot |
| 25 | 4 | 0.01 | 0 | 0.00 | +http://sur.ly/bot.html |
| 26 | 4 | 0.01 | 3 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 27 | 3 | 0.01 | 3 | 0.02 | Auto; Windows |
| 28 | 3 | 0.01 | 2 | 0.01 | +info@netcraft.com |
| 29 | 2 | 0.00 | 1 | 0.01 | http://www.opensiteexplorer.org/dotbot, ... |
| 30 | 2 | 0.00 | 2 | 0.01 | Windows 3.1 |
| 31 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 32 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
