| Used Operating Systems |
| 1 | 3767 | 40.79 | 881 | 50.81 | Windows NT |
| 2 | 1479 | 16.02 | 143 | 8.25 | +http://www.google.com/bot.html |
| 3 | 1432 | 15.51 | 307 | 17.70 | http://help.yahoo.com/help/us/ysearch/sl... |
| 4 | 637 | 6.90 | 39 | 2.25 | +http://www.scoutjet.com/ |
| 5 | 568 | 6.15 | 33 | 1.90 | http://www.dotnetdotcom.org/, crawler@do... |
| 6 | 216 | 2.34 | 6 | 0.35 | +http://www.tagoo.ru |
| 7 | 193 | 2.09 | 47 | 2.71 | +http://www.exabot.com/go/robot |
| 8 | 150 | 1.62 | 65 | 3.75 | +http://about.ask.com/en/docs/about/webm... |
| 9 | 102 | 1.10 | 2 | 0.12 | Windows NT 5.2 |
| 10 | 100 | 1.08 | 47 | 2.71 | Windows 98 |
| 11 | 84 | 0.91 | 6 | 0.35 | http://www.google.com/bot.html |
| 12 | 74 | 0.80 | 20 | 1.15 | http://www.kalooga.com/info.html?page=cr... |
| 13 | 72 | 0.78 | 16 | 0.92 | +http://discoveryengine.com/discobot.htm... |
| 14 | 65 | 0.70 | 12 | 0.69 | Intel Mac OS X 10.6 |
| 15 | 64 | 0.69 | 18 | 1.04 | Intel Mac OS X 10.5 |
| 16 | 39 | 0.42 | 11 | 0.63 | Intel Mac OS X 10.4 |
| 17 | 36 | 0.39 | 12 | 0.69 | Linux i686 [unknown version] |
| 18 | 23 | 0.25 | 7 | 0.40 | http://help.naver.com/customer_webtxt_02... |
| 19 | 16 | 0.17 | 2 | 0.12 | Windows XP |
| 20 | 16 | 0.17 | 4 | 0.23 | PPC Mac OS X Mach-O |
| 21 | 10 | 0.11 | 5 | 0.29 | http://misc.yahoo.com.cn/help.html |
| 22 | 10 | 0.11 | 4 | 0.23 | Linux [unknown version] |
| 23 | 8 | 0.09 | 2 | 0.12 | PPC Mac OS X 10.4 |
| 24 | 8 | 0.09 | 4 | 0.23 | http://www.youdao.com/help/webmaster/spi... |
| 25 | 6 | 0.06 | 2 | 0.12 | Windows NT 5.2; SV1; .NET CLR 1.1.432... |
| 26 | 4 | 0.04 | 2 | 0.12 | Windows NT 5.1; SLCC1; .NET CLR 1.1.4... |
| 27 | 4 | 0.04 | 4 | 0.23 | FreeBSD [unknown version] |
| 28 | 4 | 0.04 | 0 | 0.00 | Windows NT 5.2; SLCC1; .NET CLR 1.1.4... |
| 29 | 4 | 0.04 | 2 | 0.12 | http://developer.yahoo.com/searchmonkey/... |
| 30 | 2 | 0.02 | 2 | 0.12 | Windows CE |
| 31 | 2 | 0.02 | 1 | 0.06 | Intel Mac OS X |
| 32 | 2 | 0.02 | 2 | 0.12 | Windows NT 5.2; SV1; .NET CLR 1.1.432... |
| 33 | 2 | 0.02 | 0 | 0.00 | Windows NT 5.1; SV1; .NET CLR 1.1.432... |
| 34 | 2 | 0.02 | 0 | 0.00 | Windows NT 5.2; SLCC1; .NET CLR 1.1.4... |
| 35 | 2 | 0.02 | 2 | 0.12 | Windows NT 5.1; SV1; .NET CLR 1.1.432... |
| 36 | 2 | 0.02 | 2 | 0.12 | Windows NT 5.1; SV1; .NET CLR 1.1.432... |
| 37 | 2 | 0.02 | 0 | 0.00 | Windows NT 5.2; SLCC1; .NET CLR 1.1.4... |
| 38 | 2 | 0.02 | 2 | 0.12 | +info@netcraft.com |
| 39 | 2 | 0.02 | 2 | 0.12 | Windows NT 5.2; SLCC1; .NET CLR 1.1.4... |
| 40 | 2 | 0.02 | 0 | 0.00 | Windows NT 5.1; SLCC1; .NET CLR 1.1.4... |
| 41 | 2 | 0.02 | 2 | 0.12 | Windows NT 5.1; SLCC1; .NET CLR 1.1.4... |
| 42 | 2 | 0.02 | 2 | 0.12 | Windows NT 5.1; SV1; .NET CLR 1.1.432... |
| 43 | 2 | 0.02 | 0 | 0.00 | Windows NT 5.1; SV1; .NET CLR 1.1.432... |
| 44 | 2 | 0.02 | 2 | 0.12 | Windows NT 5.1; SV1; .NET CLR 1.1.432... |
| 45 | 2 | 0.02 | 0 | 0.00 | Windows NT 5.1; SLCC1; .NET CLR 1.1.4... |
| 46 | 2 | 0.02 | 2 | 0.12 | Windows NT 5.1; SLCC1; .NET CLR 1.1.4... |
| 47 | 2 | 0.02 | 2 | 0.12 | Windows NT 5.1; SLCC1; .NET CLR 1.1.4... |
| 48 | 2 | 0.02 | 2 | 0.12 | Windows NT 5.1; SV1; .NET CLR 1.1.432... |
| 49 | 2 | 0.02 | 2 | 0.12 | Windows NT 5.2; SV1; .NET CLR 1.1.432... |
| 50 | 2 | 0.02 | 2 | 0.12 | NetBSD [unknown version] |
| 51 | 1 | 0.01 | 1 | 0.06 | Macintosh PPC |
| 52 | 1 | 0.01 | 1 | 0.06 | +http://www.askpeter.info |
