SSB World now has nearly 15,000 Smash 4 sets archived on it. You should use it to study Smash 4 players, characters and matchups.

Here are some key pages & site sections:

• Panda Global Rankings
• Smash 4 Character Usage
• All Smash 4 Characters
• SSB World Homepage
• Smash 4 Player Database
• Top Smash 4 Characters
• Matchup Sitemap

If you are serious about getting better at Smash, this is an invaluable resource.