Introductory / Beginners – This is an in-depth overview of SEO structured data schema. Note that most SEO plugins provide this option and a few provide a “schema builder” to match your type of content.

Jamie Marsland’s SEO course for beginners will be available world-wide. Information and booking option here.

Cumulative Layout Shift happen when the web page content moves or jumps as the page loads. It is one of the factors in calculating page scores for SEO. This is a good explanation of cumulative layout shift, how to test for it, and steps to fix it.

Open Graph is a standard set of tags that are added to the head section of an web page. It provides meta information, such as author, title, image, and so on. It is mainly used by the social sites Facebook, Twitter, and Pinterest. When someone shares a link the social site gets information to show from the Open Graph data. It is considered a best practice to include Open Graph data, and most SEO plugins will add this to your pages for you automatically.

Open Graph is explained in more detail in this post from the Slim SEO team.