I'm experimenting with cookies at the moment, as I will be using them for sales tracking in a forthcoming development. Here is a handy Firefox Extension. Install this in Firefox and then you get an extra tab on Tools -> Page Info that shows you what cookies are set for the current page, plus their parameters.
Simple but effective.
The information is provided 'as is'. It has worked for us,
but it may not work for you, so you use it at your own risk. We can't
enter into any correspondance about anything recorded here but please feel free to leave a comment.
Geographical coverage: AlphaOne Computing Services
provides a range of small business computer support and I.T. services throughout Sussex, including
Brighton, Hove, Shoreham, Worthing, Steyning, Burgess Hill,
Haywards Heath, Crawley, Lewes, Newhaven, Seaford, Uckfield and Eastbourne.