From RDFaWiki

Introduction

This page lists best practices to follow when using and developing RDFa websites, tools and applications.

Authoring RDFa

• Use an RDFa extractor to check your work.
• Use an XHTML+RDFa validator.
• Use standard prefix names.
• Write semantically correct XHTML.
• Several tips and tricks for authoring RDFa

Creating RDF Vocabularies

• Mark your RDF vocabulary human-readable.
• Re-use Vocabulary terms when possible.
• Make all Vocabulary terms click-able.