Tiered link building uses two levels of backlinks to boost your site’s...

https://www.hotel-bookmarkings.win/tiered-link-building-is-how-you-move-the-needle-on-competitive-terms-i-ll-show

Tiered link building uses two levels of backlinks to boost your site’s authority. Tier 1 links point directly to your site and are high-quality. Tier 2 links support those Tier 1 links, helping them rank better