| Used Operating Systems |
| 1 | 53682 | 25.93 | 42939 | 88.92 | +http://ahrefs.com/robot/ |
| 2 | 53269 | 25.73 | 267 | 0.55 | http://mj12bot.com/ |
| 3 | 43671 | 21.09 | 3 | 0.01 | +http://megaindex.com/crawler |
| 4 | 36258 | 17.51 | 203 | 0.42 | +http://www.semrush.com/bot.html |
| 5 | 6824 | 3.30 | 168 | 0.35 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 4951 | 2.39 | 564 | 1.17 | +http://www.google.com/bot.html |
| 7 | 2517 | 1.22 | 2293 | 4.75 | +http://www.baidu.com/search/spider.html |
| 8 | 2105 | 1.02 | 1209 | 2.50 | Windows NT |
| 9 | 1187 | 0.57 | 57 | 0.12 | +http://yandex.com/bots |
| 10 | 864 | 0.42 | 211 | 0.44 | +http://www.linkdex.com/bots/ |
| 11 | 560 | 0.27 | 124 | 0.26 | +http://www.bing.com/bingbot.htm |
| 12 | 515 | 0.25 | 1 | 0.00 | +http://OpenLinkProfiler.org/bot |
| 13 | 352 | 0.17 | 73 | 0.15 | Linux i686 [unknown version] |
| 14 | 99 | 0.05 | 75 | 0.16 | Linux [unknown version] |
| 15 | 42 | 0.02 | 41 | 0.08 | +http://www.uptime.com/uptimebot |
| 16 | 22 | 0.01 | 0 | 0.00 | +http://napoveda.seznam.cz/en/seznambot-... |
| 17 | 15 | 0.01 | 6 | 0.01 | Windows 98 |
| 18 | 13 | 0.01 | 6 | 0.01 | X11 |
| 19 | 10 | 0.00 | 3 | 0.01 | +http://www.pinterest.com/bot.html |
| 20 | 9 | 0.00 | 0 | 0.00 | Mail.RU_Bot/Img/2.0; +http://go.mail.ru/... |
| 21 | 7 | 0.00 | 3 | 0.01 | http://help.yahoo.com/help/us/ysearch/sl... |
| 22 | 7 | 0.00 | 4 | 0.01 | Windows 95 |
| 23 | 5 | 0.00 | 3 | 0.01 | Linux 2.4.x |
| 24 | 5 | 0.00 | 1 | 0.00 | +info@netcraft.com |
| 25 | 5 | 0.00 | 3 | 0.01 | +http://www.exabot.com/go/robot |
| 26 | 4 | 0.00 | 2 | 0.00 | Macintosh PPC |
| 27 | 4 | 0.00 | 0 | 0.00 | +spider@seoscanners.net |
| 28 | 4 | 0.00 | 4 | 0.01 | +http://alphaseobot.com/bot.html |
| 29 | 3 | 0.00 | 1 | 0.00 | OS/2 |
| 30 | 3 | 0.00 | 3 | 0.01 | Linux 2.0.x |
| 31 | 3 | 0.00 | 2 | 0.00 | PPC Mac OS X Mach-O |
| 32 | 3 | 0.00 | 2 | 0.00 | IRIX 6.x |
| 33 | 2 | 0.00 | 2 | 0.00 | Windows CE |
| 34 | 2 | 0.00 | 0 | 0.00 | OSF1 V4.0 alpha |
| 35 | 2 | 0.00 | 1 | 0.00 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 36 | 2 | 0.00 | 1 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 37 | 2 | 0.00 | 2 | 0.00 | Solaris 2.5.x |
| 38 | 2 | 0.00 | 1 | 0.00 | Windows 3.1 |
| 39 | 2 | 0.00 | 1 | 0.00 | HP-UX B.10.x |
| 40 | 2 | 0.00 | 0 | 0.00 | +http://naver.me/bot |
| 41 | 2 | 0.00 | 2 | 0.00 | ) - BrowseX (2.0.0 Windows |
| 42 | 2 | 0.00 | 1 | 0.00 | Macintosh |
| 43 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 44 | 1 | 0.00 | 0 | 0.00 | RISC OS 4.02 |
| 45 | 1 | 0.00 | 1 | 0.00 | Windows ME |
| 46 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 47 | 1 | 0.00 | 1 | 0.00 | Linux i586 [unknown version] |
| 48 | 1 | 0.00 | 1 | 0.00 | ANTFresco/2.17; RISC OS-NC 5.13 Laz1UK13... |
| 49 | 1 | 0.00 | 1 | 0.00 | AmigaOS/MC680x0 |
| 50 | 1 | 0.00 | 1 | 0.00 | OSF1 V5.1 alpha |
| 51 | 1 | 0.00 | 1 | 0.00 | SunOS 4.1.x |
| 52 | 1 | 0.00 | 0 | 0.00 | Solaris 8.x |
| 53 | 1 | 0.00 | 1 | 0.00 | Win16 |
