| Used Operating Systems |
| 1 | 3546 | 73.81 | 19 | 7.57 | http://mj12bot.com/ |
| 2 | 635 | 13.22 | 43 | 17.13 | +http://www.bing.com/bingbot.htm |
| 3 | 145 | 3.02 | 35 | 13.94 | +http://yandex.com/bots |
| 4 | 112 | 2.33 | 20 | 7.97 | Windows NT |
| 5 | 112 | 2.33 | 60 | 23.90 | +http://www.google.com/bot.html |
| 6 | 83 | 1.73 | 39 | 15.54 | +http://www.semrush.com/bot.html |
| 7 | 52 | 1.08 | 3 | 1.20 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 37 | 0.77 | 3 | 1.20 | +https://www.seokicks.de/robot.html |
| 9 | 30 | 0.62 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 10 | 12 | 0.25 | 7 | 2.79 | http://cloudsystemnetworks.com |
| 11 | 6 | 0.12 | 4 | 1.59 | Macintosh PPC |
| 12 | 5 | 0.10 | 2 | 0.80 | Windows 95 |
| 13 | 4 | 0.08 | 2 | 0.80 | Windows 98 |
| 14 | 4 | 0.08 | 2 | 0.80 | +http://duckduckgo.com |
| 15 | 3 | 0.06 | 2 | 0.80 | HP-UX B.10.x |
| 16 | 2 | 0.04 | 1 | 0.40 | Linux 2.0.x |
| 17 | 2 | 0.04 | 1 | 0.40 | Windows ME |
| 18 | 2 | 0.04 | 2 | 0.80 | Solaris 8.x |
| 19 | 2 | 0.04 | 0 | 0.00 | Linux i686 [unknown version] |
| 20 | 2 | 0.04 | 1 | 0.40 | X11 |
| 21 | 2 | 0.04 | 1 | 0.40 | Macintosh |
| 22 | 1 | 0.02 | 0 | 0.00 | Windows CE |
| 23 | 1 | 0.02 | 1 | 0.40 | Solaris 2.5.x |
| 24 | 1 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 25 | 1 | 0.02 | 1 | 0.40 | ANTFresco/2.17; RISC OS-NC 5.13 Laz1UK13... |
| 26 | 1 | 0.02 | 1 | 0.40 | ) - BrowseX (2.0.0 Windows |
| 27 | 1 | 0.02 | 1 | 0.40 | OSF1 V5.1 alpha |
