| Used Operating Systems |
| 1 | 7695 | 74.10 | 2991 | 65.14 | Windows NT |
| 2 | 1320 | 12.71 | 1273 | 27.72 | +http://www.baidu.com/search/spider.html |
| 3 | 371 | 3.57 | 12 | 0.26 | Windows 98 |
| 4 | 366 | 3.52 | 167 | 3.64 | +http://www.bing.com/bingbot.htm |
| 5 | 285 | 2.74 | 23 | 0.50 | +http://yandex.com/bots |
| 6 | 130 | 1.25 | 46 | 1.00 | +http://www.google.com/bot.html |
| 7 | 63 | 0.61 | 20 | 0.44 | X11 |
| 8 | 36 | 0.35 | 17 | 0.37 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 28 | 0.27 | 13 | 0.28 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 24 | 0.23 | 6 | 0.13 | Android 2.3.5 |
| 11 | 11 | 0.11 | 3 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 12 | 10 | 0.10 | 5 | 0.11 | http://crawler.sistrix.net/ |
| 13 | 6 | 0.06 | 2 | 0.04 | +http://endb-consolidated.aihit.com/ |
| 14 | 5 | 0.05 | 0 | 0.00 | Linux [unknown version] |
| 15 | 5 | 0.05 | 1 | 0.02 | +http://www.profound.net/urlappendbot.ht... |
| 16 | 4 | 0.04 | 2 | 0.04 | http://www.opensiteexplorer.org/dotbot, ... |
| 17 | 4 | 0.04 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 18 | 4 | 0.04 | 2 | 0.04 | help@moz.com |
| 19 | 3 | 0.03 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 20 | 3 | 0.03 | 2 | 0.04 | +info@netcraft.com |
| 21 | 2 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 22 | 2 | 0.02 | 1 | 0.02 | Windows 95 |
| 23 | 2 | 0.02 | 2 | 0.04 | Windows 3.1 |
| 24 | 2 | 0.02 | 2 | 0.04 | Linux i686 [unknown version] |
| 25 | 1 | 0.01 | 0 | 0.00 | Win32 |
| 26 | 1 | 0.01 | 1 | 0.02 | Windows CE |
| 27 | 1 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 28 | 1 | 0.01 | 1 | 0.02 | FreeBSD [unknown version] |
