Tiered link building boosts your website’s SEO by creating two layers of...

https://www.slideserve.com/richard_russell21/what-should-i-use-for-tier-1-links-if-i-want-to-rank-a-landing-page

Tiered link building boosts your website’s SEO by creating two layers of backlinks. Tier 1 links point directly to your site, giving it strong, clean authority. Tier 2 links support those Tier 1 backlinks, helping them rank higher and stay powerful longer