| Used Operating Systems |
| 1 | 28266 | 43.29 | 16656 | 77.22 | +http://ahrefs.com/robot/ |
| 2 | 18933 | 29.00 | 125 | 0.58 | http://mj12bot.com/ |
| 3 | 4571 | 7.00 | 1295 | 6.00 | Windows NT |
| 4 | 4407 | 6.75 | 462 | 2.14 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 2679 | 4.10 | 1994 | 9.24 | +http://www.baidu.com/search/spider.html |
| 6 | 2105 | 3.22 | 312 | 1.45 | +http://www.linkdex.com/bots/ |
| 7 | 1506 | 2.31 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 8 | 1184 | 1.81 | 327 | 1.52 | +http://www.google.com/bot.html |
| 9 | 792 | 1.21 | 191 | 0.89 | +http://www.bing.com/bingbot.htm |
| 10 | 610 | 0.93 | 141 | 0.65 | +http://yandex.com/bots |
| 11 | 55 | 0.08 | 8 | 0.04 | +http://www.semrush.com/bot.html |
| 12 | 32 | 0.05 | 2 | 0.01 | https://nmap.org/book/nse.html |
| 13 | 28 | 0.04 | 9 | 0.04 | Windows 98 |
| 14 | 24 | 0.04 | 9 | 0.04 | Windows XP |
| 15 | 21 | 0.03 | 7 | 0.03 | +http://sur.ly/bot.html |
| 16 | 18 | 0.03 | 5 | 0.02 | X11 |
| 17 | 10 | 0.02 | 2 | 0.01 | Windows CE |
| 18 | 10 | 0.02 | 2 | 0.01 | http://filterdb.iss.net/crawler/ |
| 19 | 8 | 0.01 | 3 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 8 | 0.01 | 4 | 0.02 | Windows 95 |
| 21 | 8 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 22 | 7 | 0.01 | 6 | 0.03 | +http://www.uptime.com/uptimebot |
| 23 | 5 | 0.01 | 3 | 0.01 | +info@netcraft.com |
| 24 | 4 | 0.01 | 2 | 0.01 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 25 | 2 | 0.00 | 0 | 0.00 | Linux [unknown version] |
| 26 | 2 | 0.00 | 1 | 0.00 | +http://duckduckgo.com |
| 27 | 1 | 0.00 | 1 | 0.00 | Windows ME |
