| Used Operating Systems |
| 1 | 11280 | 45.82 | 3687 | 66.06 | Windows NT |
| 2 | 6566 | 26.67 | 144 | 2.58 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 2540 | 10.32 | 8 | 0.14 | +http://www.seoprofiler.com/bot |
| 4 | 1438 | 5.84 | 67 | 1.20 | +http://yandex.com/bots |
| 5 | 1063 | 4.32 | 981 | 17.58 | +http://www.baidu.com/search/spider.html |
| 6 | 928 | 3.77 | 416 | 7.45 | +http://www.google.com/bot.html |
| 7 | 413 | 1.68 | 120 | 2.15 | +http://www.bing.com/bingbot.htm |
| 8 | 154 | 0.63 | 50 | 0.90 | +http://www.linkdex.com/about/bots/ |
| 9 | 62 | 0.25 | 19 | 0.34 | X11 |
| 10 | 40 | 0.16 | 13 | 0.23 | Android 2.3.5 |
| 11 | 37 | 0.15 | 11 | 0.20 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 19 | 0.08 | 19 | 0.34 | Windows 95 |
| 13 | 10 | 0.04 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 14 | 8 | 0.03 | 7 | 0.13 | MSIE 5.5; Windows NT 5.0 |
| 15 | 7 | 0.03 | 7 | 0.13 | Windows 2000 |
| 16 | 7 | 0.03 | 0 | 0.00 | Win32 |
| 17 | 7 | 0.03 | 7 | 0.13 | Windows ME |
| 18 | 7 | 0.03 | 5 | 0.09 | Windows 98 |
| 19 | 6 | 0.02 | 2 | 0.04 | +http://filterdb.iss.net/crawler/ |
| 20 | 4 | 0.02 | 4 | 0.07 | Windows XP |
| 21 | 4 | 0.02 | 4 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 22 | 4 | 0.02 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 23 | 3 | 0.01 | 1 | 0.02 | Wayback Machine Live Record; +http://arc... |
| 24 | 3 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 25 | 3 | 0.01 | 3 | 0.05 | Linux i686 [unknown version] |
| 26 | 2 | 0.01 | 2 | 0.04 | Windows 3.1 |
| 27 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 28 | 1 | 0.00 | 1 | 0.02 | Windows CE |
| 29 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 30 | 1 | 0.00 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
