The best SEO guide for Wordpress I've seen in a while
 

Brad Gosse posted an awesome guide on setting WP up for SEO several years back. Of course, a lot of stuff has changed.

Here's the most comprehensive and most up to date WP SEO guide I've found https://onlinemediamasters.com/wordpress-seo/ Please post other resources you find helpful.

I was actually just reading through this within the last hour: https://ahrefs.com/blog/seo-tips/

And earlier this week signed up for this service, which has been pretty good so far and has quite a few affordable plans: Nightwatch

Both links are ok