Tiered link building helps boost your website’s authority by layering links....

https://www.echobookmarks.win/tiered-link-building-helps-you-boost-your-website-s-authority-by-building-links

Tiered link building helps boost your website’s authority by layering links. Tier 1 links point directly to your site, giving it strong, high-quality signals. Tier 2 links support those Tier 1 links, making them more powerful and natural