Here I'll share my favourite programamtic SEO resources.
Sammy SEO
Sammy SEO has many articles going into the details of starting a pSEO site. He's going through a real example and adressing many good consern.
He's site is built with Wordpress.
Google Search Central
Looking at the guidelines from Google is a must. Like this article on managing your crawl budget - essential for large sites.
Ian Nuttall
Ian is one og the most inspiring people in the pSEO space.
He has some very valuable articles on his blog. You should also give him a follow on Twitter. Super valuable advice.
Untalked SEO
Untalked SEO has some great articles on pSEO.
Allison Sebholdt
Another valuable presence in the pSEO Twitter space. She's writing retrospectives on her experiments on her blog and building PageFactory, an automatic content creation tool for pSEO. Oh, and she's launching a free pSEO course.
Go follow her on Twitter.
Preetam Nat
This guide.
In addition to the people I've emntioned so far, there's a lot of value to be had on Twitter. Really, it's a gold mine.