Link pyramid tier 1 tier 2 tier 3 Backlinks for SEO include two main types: anchor and non-anchor backlinks. Anchor texts include a key query, since this keyword is fundamental for SEO performance. Non-anchor links carry equal weight – these are plain URLs, and clickability plays a key role because they offer access for bots; bots go the site and deeper pages, which is useful website. Updates are shared through semrush. If there are fewer links on a particular platform, the analysis focuses on the service that shows more in backlink volume as a result of indexing lag.