| Used Operating Systems |
| 1 | 4834 | 36.19 | 1310 | 35.37 | Windows NT |
| 2 | 4077 | 30.52 | 37 | 1.00 | +http://yandex.com/bots |
| 3 | 1863 | 13.95 | 1756 | 47.41 | +http://www.baidu.com/search/spider.html |
| 4 | 1583 | 11.85 | 271 | 7.32 | +http://www.bing.com/bingbot.htm |
| 5 | 466 | 3.49 | 117 | 3.16 | +http://www.google.com/bot.html |
| 6 | 76 | 0.57 | 49 | 1.32 | Windows 95 |
| 7 | 64 | 0.48 | 2 | 0.05 | +http://www.aihit.com/ |
| 8 | 56 | 0.42 | 26 | 0.70 | Windows 98 |
| 9 | 46 | 0.34 | 22 | 0.59 | ezooms.bot@gmail.com |
| 10 | 37 | 0.28 | 17 | 0.46 | Windows 2000 |
| 11 | 35 | 0.26 | 3 | 0.08 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 26 | 0.19 | 14 | 0.38 | Auto; Windows |
| 13 | 24 | 0.18 | 8 | 0.22 | http://www.majestic12.co.uk/bot.php?+ |
| 14 | 22 | 0.16 | 10 | 0.27 | MSIE 5.5; Windows NT 5.0 |
| 15 | 20 | 0.15 | 10 | 0.27 | MSIE 5.5; Windows NT 4.0 |
| 16 | 15 | 0.11 | 7 | 0.19 | Windows CE |
| 17 | 12 | 0.09 | 6 | 0.16 | http://crawler.sistrix.net/ |
| 18 | 12 | 0.09 | 5 | 0.13 | Windows ME |
| 19 | 10 | 0.07 | 6 | 0.16 | ) - BrowseX (2.0.0 Windows |
| 20 | 10 | 0.07 | 5 | 0.13 | +http://www.exabot.com/go/robot |
| 21 | 8 | 0.06 | 2 | 0.05 | +http://filterdb.iss.net/crawler/ |
| 22 | 8 | 0.06 | 8 | 0.22 | Linux i686 [unknown version] |
| 23 | 6 | 0.04 | 0 | 0.00 | J2ME/MIDP |
| 24 | 6 | 0.04 | 2 | 0.05 | Windows XP |
| 25 | 6 | 0.04 | 1 | 0.03 | +http://www.seoprofiler.com/bot |
| 26 | 5 | 0.04 | 3 | 0.08 | Windows 3.1 |
| 27 | 5 | 0.04 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 28 | 4 | 0.03 | 0 | 0.00 | Linux 2.4.x |
| 29 | 4 | 0.03 | 2 | 0.05 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 30 | 4 | 0.03 | 2 | 0.05 | +info@netcraft.com |
| 31 | 4 | 0.03 | 1 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 32 | 3 | 0.02 | 0 | 0.00 | Win32 |
| 33 | 3 | 0.02 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 34 | 2 | 0.01 | 2 | 0.05 | +http://help.soso.com/webspider.htm |
| 35 | 1 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 36 | 1 | 0.01 | 0 | 0.00 | Baiduspider/2.0; +http://www.baidu.com/s... |
| 37 | 1 | 0.01 | 0 | 0.00 | X11 |
