Tiered link building boosts your site's authority by creating two levels of...

https://www.deltabookmarks.win/this-article-explains-how-tiered-link-building-works-by-focusing-on-two-groups

Tiered link building boosts your site's authority by creating two levels of backlinks. Tier 1 links point directly to your site and come from high-quality sources. Tier 2 links support those Tier 1 links, strengthening their value