| Used Operating Systems |
| 1 | 31630 | 33.85 | 191 | 0.78 | http://mj12bot.com/ |
| 2 | 29384 | 31.45 | 17407 | 71.41 | +http://ahrefs.com/robot/ |
| 3 | 7797 | 8.34 | 4566 | 18.73 | +http://www.baidu.com/search/spider.html |
| 4 | 7081 | 7.58 | 842 | 3.45 | Windows NT |
| 5 | 4679 | 5.01 | 5 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 6 | 4527 | 4.84 | 189 | 0.78 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 3377 | 3.61 | 1 | 0.00 | +http://megaindex.com/crawler |
| 8 | 1687 | 1.81 | 311 | 1.28 | +http://www.linkdex.com/bots/ |
| 9 | 1417 | 1.52 | 428 | 1.76 | +http://www.google.com/bot.html |
| 10 | 846 | 0.91 | 142 | 0.58 | +http://yandex.com/bots |
| 11 | 693 | 0.74 | 156 | 0.64 | +http://www.bing.com/bingbot.htm |
| 12 | 104 | 0.11 | 9 | 0.04 | +http://www.semrush.com/bot.html |
| 13 | 52 | 0.06 | 44 | 0.18 | +http://www.uptime.com/uptimebot |
| 14 | 40 | 0.04 | 36 | 0.15 | +http://megogoserial.ru |
| 15 | 35 | 0.04 | 34 | 0.14 | +http://tiod.ru |
| 16 | 33 | 0.04 | 5 | 0.02 | +http://sur.ly/bot.html |
| 17 | 20 | 0.02 | 5 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 18 | 20 | 0.02 | 0 | 0.00 | Linux i686 [unknown version] |
| 19 | 10 | 0.01 | 2 | 0.01 | http://filterdb.iss.net/crawler/ |
| 20 | 3 | 0.00 | 2 | 0.01 | https://nmap.org/book/nse.html |
| 21 | 3 | 0.00 | 2 | 0.01 | +info@netcraft.com |
