Tiered link building helps you boost your website's authority by creating two...

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

Tiered link building helps you boost your website's authority by creating two levels of links. Tier 1 links point directly to your site for stronger SEO impact