| Used Operating Systems |
| 1 | 6225 | 57.72 | 2456 | 68.62 | Windows NT |
| 2 | 1550 | 14.37 | 525 | 14.67 | +http://www.baidu.com/search/spider.html |
| 3 | 802 | 7.44 | 44 | 1.23 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 633 | 5.87 | 14 | 0.39 | +http://www.seoprofiler.com/bot |
| 5 | 563 | 5.22 | 228 | 6.37 | +http://www.bing.com/bingbot.htm |
| 6 | 319 | 2.96 | 96 | 2.68 | help@moz.com |
| 7 | 248 | 2.30 | 24 | 0.67 | +http://yandex.com/bots |
| 8 | 186 | 1.72 | 85 | 2.37 | +http://www.google.com/bot.html |
| 9 | 43 | 0.40 | 12 | 0.34 | +http://www.exabot.com/go/robot |
| 10 | 33 | 0.31 | 7 | 0.20 | X11 |
| 11 | 32 | 0.30 | 14 | 0.39 | Windows 98 |
| 12 | 24 | 0.22 | 2 | 0.06 | http://crawler.sistrix.net/ |
| 13 | 20 | 0.19 | 18 | 0.50 | Windows 95 |
| 14 | 18 | 0.17 | 4 | 0.11 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 16 | 0.15 | 4 | 0.11 | +http://www.meanpath.com/meanpathbot.htm... |
| 16 | 11 | 0.10 | 6 | 0.17 | Linux [unknown version] |
| 17 | 9 | 0.08 | 6 | 0.17 | Linux i686 [unknown version] |
| 18 | 7 | 0.06 | 3 | 0.08 | Windows XP |
| 19 | 6 | 0.06 | 1 | 0.03 | Android 2.3.5 |
| 20 | 5 | 0.05 | 5 | 0.14 | Windows 2000 |
| 21 | 5 | 0.05 | 5 | 0.14 | ) - BrowseX (2.0.0 Windows |
| 22 | 4 | 0.04 | 4 | 0.11 | Auto; Windows |
| 23 | 3 | 0.03 | 0 | 0.00 | Win32 |
| 24 | 3 | 0.03 | 1 | 0.03 | Wayback Machine Live Record; +http://arc... |
| 25 | 3 | 0.03 | 3 | 0.08 | Windows ME |
| 26 | 3 | 0.03 | 3 | 0.08 | Windows 3.1 |
| 27 | 3 | 0.03 | 3 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 28 | 2 | 0.02 | 2 | 0.06 | Windows CE |
| 29 | 2 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 30 | 2 | 0.02 | 1 | 0.03 | OpenBSD [unknown version] |
| 31 | 2 | 0.02 | 1 | 0.03 | +info@netcraft.com |
| 32 | 1 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 33 | 1 | 0.01 | 1 | 0.03 | FreeBSD [unknown version] |
| 34 | 1 | 0.01 | 1 | 0.03 | MSIE 5.5; Windows NT 5.0 |
