Welcome to Spinster, a shrine to a particular collection of steampunk romance novels: the Iron Seas series, by Meljean Brook.
Indeed. A type of fan site dedicated to analysis of a certain object worthy of focus. Often nerdy. Plenty of information here.
Doubly indeed! See: often nerdy.
Start with the introduction, perhaps get a summary of the series, and work your way in. Note the general sections linked at the top and the individual articles presented below. It's meant to be read as a whole, but this is a project of self-indulgence, rather than self-absorption — the difference being I can't really expect someone to mow through this.