BrowserSpy.dk shows you just how much information can be retrieved from your browser just by visiting a page.
Available tests are listed below.
QuickTime Player Information
Find out if the QuickTime Player is installed and, if so which version? QuickTime is a media player capable of handling various formats of digital video, media clips, sound, text, animation, music, and several types of interactive panoramic images. It's available for Mac OS X and Microsoft Windows.
|QuickTime Player installed|
|Inline QuickTime movie using object tag|