| Used Operating Systems |
| 1 | 16596 | 37.11 | 138 | 1.22 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 10257 | 22.94 | 4485 | 39.75 | +http://ahrefs.com/robot/ |
| 3 | 7487 | 16.74 | 215 | 1.91 | +http://www.bing.com/bingbot.htm |
| 4 | 5001 | 11.18 | 4435 | 39.31 | +http://www.baidu.com/search/spider.html |
| 5 | 3295 | 7.37 | 1171 | 10.38 | Windows NT |
| 6 | 775 | 1.73 | 210 | 1.86 | +http://yandex.com/bots |
| 7 | 573 | 1.28 | 295 | 2.61 | +http://www.google.com/bot.html |
| 8 | 215 | 0.48 | 97 | 0.86 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 194 | 0.43 | 60 | 0.53 | +http://www.linkdex.com/bots/ |
| 10 | 142 | 0.32 | 134 | 1.19 | +http://www.xovibot.net/ |
| 11 | 80 | 0.18 | 5 | 0.04 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 24 | 0.05 | 11 | 0.10 | +http://help.coccoc.com/ |
| 13 | 20 | 0.04 | 2 | 0.02 | +http://sur.ly/bot.html |
| 14 | 13 | 0.03 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 15 | 10 | 0.02 | 2 | 0.02 | http://filterdb.iss.net/crawler/ |
| 16 | 8 | 0.02 | 3 | 0.03 | Windows 98 |
| 17 | 8 | 0.02 | 4 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 18 | 6 | 0.01 | 3 | 0.03 | +http://duckduckgo.com |
| 19 | 5 | 0.01 | 4 | 0.04 | Windows 95 |
| 20 | 3 | 0.01 | 1 | 0.01 | +http://www.semrush.com/bot.html |
| 21 | 2 | 0.00 | 1 | 0.01 | Android 2.3.5 |
| 22 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 23 | 1 | 0.00 | 1 | 0.01 | Windows 2000 |
| 24 | 1 | 0.00 | 1 | 0.01 | Windows ME |
| 25 | 1 | 0.00 | 1 | 0.01 | Windows 3.1 |
| 26 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 27 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 28 | 1 | 0.00 | 0 | 0.00 | X11 |
