| Used Operating Systems |
| 1 | 40795 | 38.73 | 248 | 1.24 | http://mj12bot.com/ |
| 2 | 20546 | 19.50 | 15232 | 75.88 | +http://ahrefs.com/robot/ |
| 3 | 17528 | 16.64 | 226 | 1.13 | +http://www.semrush.com/bot.html |
| 4 | 13060 | 12.40 | 1937 | 9.65 | Windows NT |
| 5 | 6760 | 6.42 | 2 | 0.01 | +http://megaindex.com/crawler |
| 6 | 2223 | 2.11 | 1223 | 6.09 | +http://www.baidu.com/search/spider.html |
| 7 | 1347 | 1.28 | 236 | 1.18 | +http://www.linkdex.com/bots/ |
| 8 | 639 | 0.61 | 291 | 1.45 | +http://www.google.com/bot.html |
| 9 | 627 | 0.60 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 10 | 547 | 0.52 | 355 | 1.77 | +http://www.bing.com/bingbot.htm |
| 11 | 535 | 0.51 | 100 | 0.50 | +http://yandex.com/bots |
| 12 | 305 | 0.29 | 66 | 0.33 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 235 | 0.22 | 119 | 0.59 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 72 | 0.07 | 0 | 0.00 | X11 |
| 15 | 29 | 0.03 | 0 | 0.00 | Android 2.3.5 |
| 16 | 26 | 0.02 | 1 | 0.00 | https://nmap.org/book/nse.html |
| 17 | 13 | 0.01 | 6 | 0.03 | +http://sur.ly/bot.html |
| 18 | 9 | 0.01 | 6 | 0.03 | +info@netcraft.com |
| 19 | 8 | 0.01 | 5 | 0.02 | Windows 95 |
| 20 | 8 | 0.01 | 4 | 0.02 | +http://www.exabot.com/go/robot |
| 21 | 6 | 0.01 | 1 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 22 | 4 | 0.00 | 2 | 0.01 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 23 | 3 | 0.00 | 0 | 0.00 | Windows 98 |
| 24 | 2 | 0.00 | 2 | 0.01 | Auto; Windows |
| 25 | 2 | 0.00 | 2 | 0.01 | Windows XP |
| 26 | 2 | 0.00 | 1 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
| 27 | 2 | 0.00 | 2 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 28 | 1 | 0.00 | 1 | 0.00 | OpenBSD [unknown version] |
| 29 | 1 | 0.00 | 1 | 0.00 | Windows 2000 |
| 30 | 1 | 0.00 | 1 | 0.00 | +http://www.uptime.com/uptimebot |
| 31 | 1 | 0.00 | 1 | 0.00 | ) - BrowseX (2.0.0 Windows |
| 32 | 1 | 0.00 | 1 | 0.00 | Windows ME |
