Tiered link building helps you boost your website’s SEO by creating layers of...

https://blast-wiki.win/index.php/How_Do_I_Keep_Tiered_Link_Building_from_Turning_into_a_Link_Pyramid_Scheme%3F

Tiered link building helps you boost your website’s SEO by creating layers of backlinks. Tier 1 links point directly to your site for strong, high-quality traffic. Tier 2 links support those Tier 1 links to make them more powerful and trustworthy