References:
- How Google Search Works by Google
- Search Engine Optimization (SEO) Starter Guide by Google
- Overview of (Google’s) guidelines by Google
- The Beginner’s Guide to SEO by MOZ
- SEO Basics: Beginner’s Guide to SEO Success by Ahrefs
- The Beginner’s Guide to SEO by ContentKing
- The Complete SEO Guide for Beginners by Mangools
- Learn SEO in 2021: The Beginner’s Guide to SEO by SEMrush
- SEO Fundamentals Course with Greg Gifford by Greg Gifford SEMrush