| Used Operating Systems |
| 1 | 116546 | 68.48 | 536 | 3.03 | http://mj12bot.com/ |
| 2 | 20398 | 11.99 | 14302 | 80.92 | +http://ahrefs.com/robot/ |
| 3 | 17375 | 10.21 | 242 | 1.37 | +http://www.semrush.com/bot.html |
| 4 | 6597 | 3.88 | 1 | 0.01 | +http://megaindex.com/crawler |
| 5 | 2801 | 1.65 | 1855 | 10.50 | +http://www.baidu.com/search/spider.html |
| 6 | 2058 | 1.21 | 4 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 7 | 1724 | 1.01 | 136 | 0.77 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 757 | 0.44 | 36 | 0.20 | Windows NT |
| 9 | 443 | 0.26 | 57 | 0.32 | +http://www.linkdex.com/bots/ |
| 10 | 384 | 0.23 | 124 | 0.70 | +http://napoveda.seznam.cz/en/seznambot-... |
| 11 | 334 | 0.20 | 164 | 0.93 | +http://www.bing.com/bingbot.htm |
| 12 | 275 | 0.16 | 83 | 0.47 | +http://yandex.com/bots |
| 13 | 222 | 0.13 | 82 | 0.46 | +http://www.google.com/bot.html |
| 14 | 72 | 0.04 | 8 | 0.05 | +http://www.seokicks.de/robot.html |
| 15 | 50 | 0.03 | 2 | 0.01 | https://nmap.org/book/nse.html |
| 16 | 47 | 0.03 | 8 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 38 | 0.02 | 20 | 0.11 | +http://www.exabot.com/go/robot |
| 18 | 20 | 0.01 | 3 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 19 | 14 | 0.01 | 1 | 0.01 | Intel Mac OS X 10.5 |
| 20 | 10 | 0.01 | 6 | 0.03 | +info@netcraft.com |
| 21 | 6 | 0.00 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 22 | 6 | 0.00 | 2 | 0.01 | X11 |
| 23 | 2 | 0.00 | 2 | 0.01 | +http://www.uptime.com/uptimebot |
