Being a seo expert now for 7 years, I learned not to follow the crowd when it comes to optimizing your website. As soon as you launch your site you are going to get hit with email offers from all over the world from people that claim to be profession seo consultants. They are not. They are two kinds of people. 1 people that dont know what they are doing or 2 people that do black hat seo techniques that can get your website deindexed.
If you want to learn seo then you need buy a subscription to website magazine. These guys know their stuff. Check out this infographic they wrote on the subject.
To see the rest of the article go to https://www.websitemagazine.com/blog/website-seo-practices-to-avoid. You are going to learn alot from these guys.