Tiered link building helps you build strong backlinks by creating two levels of...

https://wiki-triod.win/index.php/What%E2%80%99s_a_Realistic_Tiered_Link_Building_Plan_for_a_New_Site%3F

Tiered link building helps you build strong backlinks by creating two levels of links. Tier 1 links point directly to your site, improving its authority. Tier 2 links support those Tier 1 links, making them more powerful