e.g. www.mysite.com/folder1/interesting-topic and www.mysite.com/folder3/interesting-topicPages that use Session Ids like shopping carts or booking pagesPages that are the same after login but are secured (http before login and https after)Pages that are reached from an Affiliate link i.e www.mysite.com/click-4240873-3215923Pages where the URL changes depending on a change to a field e.g. a travel