| Used Operating Systems |
| 1 | 7707 | 62.48 | 2526 | 51.01 | Windows NT |
| 2 | 1919 | 15.56 | 1793 | 36.21 | +http://www.baidu.com/search/spider.html |
| 3 | 1085 | 8.80 | 310 | 6.26 | +http://www.google.com/bot.html |
| 4 | 419 | 3.40 | 37 | 0.75 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 344 | 2.79 | 31 | 0.63 | +http://yandex.com/bots |
| 6 | 201 | 1.63 | 69 | 1.39 | help@moz.com |
| 7 | 200 | 1.62 | 5 | 0.10 | +http://www.seoprofiler.com/bot |
| 8 | 154 | 1.25 | 64 | 1.29 | +http://www.bing.com/bingbot.htm |
| 9 | 32 | 0.26 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 10 | 31 | 0.25 | 14 | 0.28 | Windows 98 |
| 11 | 30 | 0.24 | 25 | 0.50 | Windows 95 |
| 12 | 29 | 0.24 | 12 | 0.24 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 29 | 0.24 | 3 | 0.06 | X11 |
| 14 | 23 | 0.19 | 12 | 0.24 | +http://www.exabot.com/go/robot |
| 15 | 17 | 0.14 | 6 | 0.12 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 16 | 0.13 | 4 | 0.08 | +http://www.meanpath.com/meanpathbot.htm... |
| 17 | 15 | 0.12 | 1 | 0.02 | Android 2.3.5 |
| 18 | 11 | 0.09 | 1 | 0.02 | +http://www.profound.net/urlappendbot.ht... |
| 19 | 10 | 0.08 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 20 | 8 | 0.06 | 2 | 0.04 | +http://filterdb.iss.net/crawler/ |
| 21 | 7 | 0.06 | 7 | 0.14 | MSIE 5.5; Windows NT 5.0 |
| 22 | 6 | 0.05 | 6 | 0.12 | Windows 2000 |
| 23 | 5 | 0.04 | 0 | 0.00 | Macintosh PPC |
| 24 | 4 | 0.03 | 4 | 0.08 | Auto; Windows |
| 25 | 4 | 0.03 | 2 | 0.04 | +http://www.yunyun.com/spider.html |
| 26 | 4 | 0.03 | 3 | 0.06 | Windows XP |
| 27 | 4 | 0.03 | 4 | 0.08 | Windows ME |
| 28 | 4 | 0.03 | 3 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 29 | 3 | 0.02 | 0 | 0.00 | Win32 |
| 30 | 3 | 0.02 | 1 | 0.02 | +http://www.semrush.com/bot.html |
| 31 | 2 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 32 | 2 | 0.02 | 2 | 0.04 | Windows 3.1 |
| 33 | 2 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 34 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 35 | 1 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 36 | 1 | 0.01 | 1 | 0.02 | Windows CE |
| 37 | 1 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 38 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
