| Used Operating Systems |
| 1 | 18964 | 59.73 | 95 | 2.64 | +http://www.semrush.com/bot.html |
| 2 | 6197 | 19.52 | 3095 | 85.85 | +http://ahrefs.com/robot/ |
| 3 | 5073 | 15.98 | 76 | 2.11 | http://mj12bot.com/ |
| 4 | 737 | 2.32 | 36 | 1.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 275 | 0.87 | 177 | 4.91 | +http://www.bing.com/bingbot.htm |
| 6 | 143 | 0.45 | 39 | 1.08 | +http://yandex.com/bots |
| 7 | 112 | 0.35 | 24 | 0.67 | +http://www.linkdex.com/bots/ |
| 8 | 101 | 0.32 | 20 | 0.55 | +http://www.google.com/bot.html |
| 9 | 63 | 0.20 | 32 | 0.89 | Windows NT |
| 10 | 34 | 0.11 | 2 | 0.06 | +https://extlinks.com/Bot.html |
| 11 | 13 | 0.04 | 1 | 0.03 | X11 |
| 12 | 9 | 0.03 | 4 | 0.11 | +http://www.exabot.com/go/robot |
| 13 | 8 | 0.03 | 0 | 0.00 | Windows 98 |
| 14 | 6 | 0.02 | 2 | 0.06 | +info@netcraft.com |
| 15 | 4 | 0.01 | 0 | 0.00 | Windows CE |
| 16 | 4 | 0.01 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 3 | 0.01 | 1 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 18 | 2 | 0.01 | 0 | 0.00 | http://nmap.org/book/nse.html |
| 19 | 2 | 0.01 | 0 | 0.00 | Windows 95 |
| 20 | 1 | 0.00 | 1 | 0.03 | UNIX |
