Link pyramid tier 1 tier 2 tier 3
SEO backlinks for SEO include two main types: anchor and non-anchor backlinks.
Anchors include the main keyword, since the key query plays a crucial role for SEO performance.
Bare links are just as important – this includes simple hyperlinks, while user interaction matters because they offer a path for search robots; bots go the target page and subsequent pages, which benefits website.
I provide semrush. When the number of links is limited for one of the services, I report on the service with a larger number of inbound links because of delays in indexation.