SEO and procedure for your website

In my point of view, before doing SEO work, you need to check your website's issues and errors. If your website is new then move to website On Page SEO, and then optimize for Off Page SEO.

In my view, it really doesn't matter how much time you spend on SEO when you don't have unique and useful offerings. The key to success is not focusing on the SEO first, but having a business with unique offering.

The main problem with every post here, including the O.P.'s, is that the words "my opinion" or "my point of view" is used in every one of them.

Unless you are a senior programmer for a search engine or you have a TON of experience getting websites to rank well, anyone's "opinion" is worth about the same as any newbie that puts their two cents in here. In other words, most of this site is made of "opinions" or regurgitations of something somebody read a couple of places (which could have been based on SEO from two decades ago).

The only thing that matters when it comes to SEO is time tested facts.

Nothing wrong with the O.P.'s list except #3 where you are somehow supposed to predict the future of what competitors are going to do, I guess, except it is overly simplistic, pretty generic and highlights things that my decades of experience shows matter very little (i.e. "take into account speed and convenience - tests from Google").

Content matters. Borrowing the best concepts from competitors that rank well matters. Do that stuff and tweak for SEO later.

Those are really great efforts. I need to learn a lot.

I've found that analyzing top-ranking sites helps identify effective strategies and gaps to exploit. It's crucial to adapt these insights creatively for your own site's advantage.