| Used Operating Systems |
| 1 | 93953 | 84.64 | 1610 | 44.81 | Windows NT |
| 2 | 4566 | 4.11 | 536 | 14.92 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 3651 | 3.29 | 685 | 19.06 | +http://www.google.com/bot.html |
| 4 | 2380 | 2.14 | 431 | 12.00 | +http://yandex.com/bots |
| 5 | 2160 | 1.95 | 43 | 1.20 | Intel Mac OS X 10.6 |
| 6 | 1169 | 1.05 | 67 | 1.86 | http://www.dotnetdotcom.org/, crawler@do... |
| 7 | 760 | 0.68 | 15 | 0.42 | Intel Mac OS X 10.5 |
| 8 | 513 | 0.46 | 34 | 0.95 | MirrorDetector; +http://yandex.com/bots |
| 9 | 341 | 0.31 | 4 | 0.11 | Intel Mac OS X 10.4 |
| 10 | 313 | 0.28 | 18 | 0.50 | Linux i686 [unknown version] |
| 11 | 250 | 0.23 | 1 | 0.03 | +http://www.puritysearch.net/ |
| 12 | 215 | 0.19 | 5 | 0.14 | PPC Mac OS X 10.4 |
| 13 | 138 | 0.12 | 6 | 0.17 | Windows CE |
| 14 | 102 | 0.09 | 2 | 0.06 | Intel Mac OS X |
| 15 | 86 | 0.08 | 2 | 0.06 | Linux [unknown version] |
| 16 | 68 | 0.06 | 36 | 1.00 | +http://www.exabot.com/go/robot |
| 17 | 67 | 0.06 | 17 | 0.47 | Windows 98 |
| 18 | 56 | 0.05 | 28 | 0.78 | +http://about.ask.com/en/docs/about/webm... |
| 19 | 49 | 0.04 | 5 | 0.14 | +http://www.seoprofiler.com/bot |
| 20 | 29 | 0.03 | 7 | 0.19 | http://www.majestic12.co.uk/bot.php?+ |
| 21 | 24 | 0.02 | 0 | 0.00 | http://desktop.google.com/ |
| 22 | 23 | 0.02 | 0 | 0.00 | Windows 6.1; MSIE 8.0.7600.16385 |
| 23 | 21 | 0.02 | 13 | 0.36 | Windows NT 5.2 |
| 24 | 16 | 0.01 | 3 | 0.08 | +info@netcraft.com |
| 25 | 14 | 0.01 | 0 | 0.00 | J2ME/MIDP |
| 26 | 8 | 0.01 | 4 | 0.11 | Windows NT 5.1 |
| 27 | 4 | 0.00 | 2 | 0.06 | +http://www.ellerdale.com/crawler.html |
| 28 | 4 | 0.00 | 2 | 0.06 | +http://www.hailoo.com/spider.html |
| 29 | 4 | 0.00 | 4 | 0.11 | Windows 3.1 |
| 30 | 4 | 0.00 | 4 | 0.11 | +http://knowmore.com/bots |
| 31 | 3 | 0.00 | 0 | 0.00 | Windows 6.0; MSIE 7.0.6002.18005 |
| 32 | 2 | 0.00 | 2 | 0.06 | Qihoo 0.9.6 |
| 33 | 2 | 0.00 | 1 | 0.03 | http://www.botje.com/plukkie.htm |
| 34 | 2 | 0.00 | 2 | 0.06 | Windows 95 |
| 35 | 2 | 0.00 | 1 | 0.03 | Windows XP |
| 36 | 1 | 0.00 | 0 | 0.00 | http://www.sslstats.com/sslbot |
| 37 | 1 | 0.00 | 1 | 0.03 | Auto; Windows |
| 38 | 1 | 0.00 | 1 | 0.03 | +http://www.baidu.com/search/spider.htm |
| 39 | 1 | 0.00 | 1 | 0.03 | PPC Mac OS X Mach-O |
