For my purposes (wordpress blogger) very good and easy to follow advice. I took instant action as recommended in the book and was able to read it in less than two hours (in two sittings spread far out). Does not go into depth - which was exactly what I was looking for!

Wordpress On-Site SEO 2021: Optimize Your WordPress Site for Better Rankings! (Webmaster Series)von Dr. Andy WilliamsIndependently published