| Used Operating Systems |
| 1 | 2165 | 30.02 | 1963 | 52.87 | +http://www.baidu.com/search/spider.html |
| 2 | 1385 | 19.20 | 1081 | 29.11 | Windows NT |
| 3 | 1077 | 14.93 | 33 | 0.89 | +http://yandex.com/bots |
| 4 | 469 | 6.50 | 239 | 6.44 | +http://www.bing.com/bingbot.htm |
| 5 | 457 | 6.34 | 111 | 2.99 | help@moz.com |
| 6 | 424 | 5.88 | 3 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 7 | 262 | 3.63 | 56 | 1.51 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 237 | 3.29 | 87 | 2.34 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 194 | 2.69 | 59 | 1.59 | +http://www.google.com/bot.html |
| 10 | 150 | 2.08 | 24 | 0.65 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 146 | 2.02 | 1 | 0.03 | FreeBSD [unknown version] |
| 12 | 66 | 0.92 | 2 | 0.05 | +http://endb-consolidated.aihit.com/ |
| 13 | 64 | 0.89 | 11 | 0.30 | +http://www.exabot.com/go/robot |
| 14 | 24 | 0.33 | 2 | 0.05 | http://www.mojeek.com/bot.html |
| 15 | 23 | 0.32 | 20 | 0.54 | +http://www.easou.com/search/spider.html |
| 16 | 22 | 0.31 | 11 | 0.30 | +http://fulltext.sblog.cz/ |
| 17 | 10 | 0.14 | 0 | 0.00 | Linux [unknown version] |
| 18 | 8 | 0.11 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 19 | 6 | 0.08 | 0 | 0.00 | Macintosh PPC |
| 20 | 5 | 0.07 | 0 | 0.00 | Win32 |
| 21 | 4 | 0.06 | 2 | 0.05 | Windows 98 |
| 22 | 4 | 0.06 | 2 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 23 | 2 | 0.03 | 1 | 0.03 | +info@netcraft.com |
| 24 | 2 | 0.03 | 2 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 25 | 2 | 0.03 | 0 | 0.00 | +http://siteexplorer.info/ |
| 26 | 1 | 0.01 | 1 | 0.03 | Windows 95 |
| 27 | 1 | 0.01 | 1 | 0.03 | Linux i686 [unknown version] |
| 28 | 1 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 29 | 1 | 0.01 | 1 | 0.03 | MSIE 5.5; Windows NT 4.0 |
