Welcome!

If you're new to the FF series in general, a good place to start from to find out about the 13 main series FF games that came before FFXIV and the many sequels, prequels, spinoffs and tie-in games as well, is the FF Wiki - FFXIV is full of references and fond fanservice injokes to the earlier FF games which can be somewhat confusing to a new person.

For FFXIV info itself, the official FFXIV Lodestone at http://na.finalfantasyxiv.com/lodestone/ (for the USA) and http://eu.finalfantasyxiv.com/lodestone/ (for EuropeUK/Rest of the world) is a very useful resource (including your character profile). For fan info sites, I personally use Gamerescape and the FFXIV Wiki. These aren't the only sites either that can be helpful, but just the ones I use.