It depends on what you want to learn?

1) Do you want to learn blog SEO?
2) Do you want to learn small business SEO?
3) Do you want to learn Ecom SEO?
4) Do you want to learn YT SEO?


You have to learn basics first, you can follow, https://moz.com/beginners-guide-to-seo, https://mangools.com/

If you need any assistance, you can reach me at Abbotsford SEO Agency for Small Businesses