Web.config Element Positions

One thing that bugs me from time to time is that I cannot remember where the hell a web.config element is supposed to go. Some (ok, all) of them are extremely location sensitive. Some don't really care as long as certain elements appear before, but not necessarily immediately before, them.

Here are some which often (in the grand scheme of things, but not every day) annoy me and links to find others which might cause problems:

• assemblies http://msdn.microsoft.com/en-us/library/37e2zyhb.aspx