A friend of mine sent a list of resources to a client of mine and CC’ed me in the conversation. I do find these resources really helpful, which is why I decided to put them here. We are not affiliated to any of the sources.
Google’s SEO Starter Guide https://static.
googleusercontent.com/media/ www.google.com/en//webmasters/ docs/search-engine- optimization-starter-guide.pdf
WordPress SEO hints by the authors of the most popular WordPress SEO plugin: https://yoast.com/
Search Engine Land: https://
Neil Patel: https://neilpatel.com/