Tiered link building uses two levels of links to boost your site’s SEO. Tier 1...

https://www.bright-bookmarks.win/this-article-explains-tiered-link-building-in-simple-terms-it-breaks-down-how

Tiered link building uses two levels of links to boost your site’s SEO. Tier 1 links point directly to your main pages and carry the most weight. Tier 2 links support Tier 1 by linking to those first-level pages