| Used Operating Systems |
| 1 | 3135 | 40.16 | 143 | 4.34 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2168 | 27.77 | 1768 | 53.62 | +http://ahrefs.com/robot/ |
| 3 | 1480 | 18.96 | 1152 | 34.94 | +http://www.baidu.com/search/spider.html |
| 4 | 546 | 6.99 | 108 | 3.28 | Windows NT |
| 5 | 156 | 2.00 | 69 | 2.09 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 6 | 88 | 1.13 | 17 | 0.52 | +http://www.bing.com/bingbot.htm |
| 7 | 73 | 0.94 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 8 | 66 | 0.85 | 21 | 0.64 | +http://www.google.com/bot.html |
| 9 | 64 | 0.82 | 6 | 0.18 | +http://yandex.com/bots |
| 10 | 24 | 0.31 | 9 | 0.27 | +http://www.exabot.com/go/robot |
| 11 | 4 | 0.05 | 2 | 0.06 | Windows 98 |
| 12 | 2 | 0.03 | 2 | 0.06 | +info@netcraft.com |
