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

https://eduardossmartcolumn.cavandoragh.org/broken-link-building-step-by-step-using-ahrefs

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