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

https://highstylife.com/how-do-i-tell-if-a-backlink-is-relevant-or-just-high-da-fluff/

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