| Used Operating Systems |
| 1 | 56577 | 46.40 | 340 | 1.51 | http://mj12bot.com/ |
| 2 | 25418 | 20.84 | 16318 | 72.51 | +http://ahrefs.com/robot/ |
| 3 | 13836 | 11.35 | 1612 | 7.16 | Windows NT |
| 4 | 8667 | 7.11 | 568 | 2.52 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 4008 | 3.29 | 4 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 6 | 3491 | 2.86 | 2208 | 9.81 | +http://www.baidu.com/search/spider.html |
| 7 | 3474 | 2.85 | 1 | 0.00 | +http://megaindex.com/crawler |
| 8 | 2527 | 2.07 | 341 | 1.52 | +http://www.linkdex.com/bots/ |
| 9 | 1485 | 1.22 | 282 | 1.25 | +http://yandex.com/bots |
| 10 | 1039 | 0.85 | 427 | 1.90 | +http://www.google.com/bot.html |
| 11 | 677 | 0.56 | 293 | 1.30 | +http://www.bing.com/bingbot.htm |
| 12 | 256 | 0.21 | 0 | 0.00 | Windows 98 |
| 13 | 139 | 0.11 | 49 | 0.22 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 96 | 0.08 | 27 | 0.12 | +http://www.exabot.com/go/robot |
| 15 | 89 | 0.07 | 0 | 0.00 | Intel Mac OS X 10.5 |
| 16 | 52 | 0.04 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 17 | 48 | 0.04 | 5 | 0.02 | +http://sur.ly/bot.html |
| 18 | 21 | 0.02 | 3 | 0.01 | http://filterdb.iss.net/crawler/ |
| 19 | 13 | 0.01 | 7 | 0.03 | X11 |
| 20 | 11 | 0.01 | 10 | 0.04 | +info@netcraft.com |
| 21 | 8 | 0.01 | 2 | 0.01 | https://nmap.org/book/nse.html |
| 22 | 4 | 0.00 | 2 | 0.01 | +http://napoveda.seznam.cz/en/seznambot-... |
| 23 | 2 | 0.00 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 24 | 2 | 0.00 | 1 | 0.00 | +http://cliqz.com/company/cliqzbot |
| 25 | 1 | 0.00 | 1 | 0.00 | Windows 2000 |
| 26 | 1 | 0.00 | 1 | 0.00 | Linux [unknown version] |
| 27 | 1 | 0.00 | 1 | 0.00 | Intel Mac OS X 10.4 |
| 28 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 29 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 30 | 1 | 0.00 | 1 | 0.00 | Windows ME |
