| Used Operating Systems |
| 1 | 61433 | 55.41 | 1840 | 31.21 | Windows NT |
| 2 | 26718 | 24.10 | 735 | 12.47 | +http://www.google.com/bot.html |
| 3 | 6671 | 6.02 | 615 | 10.43 | http://help.yahoo.com/help/us/ysearch/sl... |
| 4 | 4354 | 3.93 | 1981 | 33.60 | +http://www.bing.com/bingbot.htm |
| 5 | 3797 | 3.43 | 116 | 1.97 | Intel Mac OS X 10.6 |
| 6 | 1752 | 1.58 | 103 | 1.75 | http://www.dotnetdotcom.org/, crawler@do... |
| 7 | 1708 | 1.54 | 45 | 0.76 | Intel Mac OS X 10.5 |
| 8 | 847 | 0.76 | 18 | 0.31 | Intel Mac OS X 10.4 |
| 9 | 624 | 0.56 | 13 | 0.22 | Linux [unknown version] |
| 10 | 492 | 0.44 | 2 | 0.03 | +http://www.puritysearch.net/ |
| 11 | 429 | 0.39 | 126 | 2.14 | +http://yandex.com/bots |
| 12 | 363 | 0.33 | 32 | 0.54 | Linux i686 [unknown version] |
| 13 | 295 | 0.27 | 14 | 0.24 | +http://www.scoutjet.com/ |
| 14 | 228 | 0.21 | 19 | 0.32 | MirrorDetector; +http://yandex.com/bots |
| 15 | 178 | 0.16 | 2 | 0.03 | Intel Mac OS X |
| 16 | 131 | 0.12 | 28 | 0.47 | http://www.majestic12.co.uk/bot.php?+ |
| 17 | 126 | 0.11 | 60 | 1.02 | +http://www.exabot.com/go/robot |
| 18 | 113 | 0.10 | 3 | 0.05 | PPC Mac OS X 10.4 |
| 19 | 112 | 0.10 | 2 | 0.03 | PPC Mac OS X 10.5 |
| 20 | 91 | 0.08 | 25 | 0.42 | Windows 98 |
| 21 | 84 | 0.08 | 10 | 0.17 | +http://www.sitebot.org/robot/ |
| 22 | 79 | 0.07 | 10 | 0.17 | Windows NT 5.2 |
| 23 | 58 | 0.05 | 2 | 0.03 | AOL 9.0; Windows NT 5.1; Trident/4.0; .N... |
| 24 | 44 | 0.04 | 22 | 0.37 | +http://about.ask.com/en/docs/about/webm... |
| 25 | 24 | 0.02 | 21 | 0.36 | +info@netcraft.com |
| 26 | 18 | 0.02 | 11 | 0.19 | Windows 95 |
| 27 | 16 | 0.01 | 5 | 0.08 | http://www.peew.de/crawler/ |
| 28 | 14 | 0.01 | 14 | 0.24 | AnyEvent-HTTP/1.44; +http://software.sch... |
| 29 | 14 | 0.01 | 4 | 0.07 | Intel Mac OS X 10.7 |
| 30 | 13 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 31 | 7 | 0.01 | 7 | 0.12 | Windows 3.1 |
| 32 | 6 | 0.01 | 1 | 0.02 | Windows XP |
| 33 | 6 | 0.01 | 2 | 0.03 | +http://www.AboutUs.org/ |
| 34 | 3 | 0.00 | 3 | 0.05 | Windows CE |
| 35 | 3 | 0.00 | 0 | 0.00 | Android |
| 36 | 2 | 0.00 | 1 | 0.02 | +http://www.proximic.com |
| 37 | 2 | 0.00 | 2 | 0.03 | Windows ME |
| 38 | 2 | 0.00 | 0 | 0.00 | Windows 6.1; MSIE 8.0.7600.16385 |
| 39 | 1 | 0.00 | 1 | 0.02 | Windows 2000 |
| 40 | 1 | 0.00 | 0 | 0.00 | J2ME/MIDP |
| 41 | 1 | 0.00 | 0 | 0.00 | ; Linux i686 |
