Focusing on advice for basic or advanced roleplay. At this level, sites should cover roleplaying in general or multiple genres and systems.
Tips, advice, and commentary helping game masters develop and run campaigns for tabletop roleplaying games.
Dr. Game's Gaming Site
How-to-articles, presentations, scenarios, and a game in development.
Dedicated to the promotion, creation, and review of independent creator-owned roleplaying systems. Also features discussion forums, articles about game design, and design resources.
The Handbook to Roleplaying
Advice for novice roleplayers.
KingSpoom's RPG Design & Theory Junkyard
Theory and design essays related to creating a roleplaying game.
Role-playing Games Stack Exchange
RPG-focused Q&A site from Stack Exchange. Real questions with real answers. Best content gets voted up.
RPG Portal from Japan
Information about tabletop roleplaying in Japan.
Tips, forums, and general information.