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

https://www.bookmark-fuel.win/tiered-link-building-uses-two-levels-of-links-to-improve-your-site-s-ranking

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