Say you have a small site (about 500 pages) that is a complete mess with respect to information architecture, mobile usability and, well, pretty much everything. And say this site actually has a pretty high value and a decent budget for a rebuild. What tests/studies would you start with?
What do you think is the first and most important early test for getting it right?
I would tend toward starting with the basics of information architecture. And in that respect, here are some classic oldies to grease the mental gears
Information Architecture for the Small Site Part I
[webmasterworld.com] and Part II
What's changed in 11 years other than the fact that pretty much everyone knows what a card sort is now, whereas most people did not in 2004?