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

https://wiki-velo.win/index.php/Are_Directories_Still_Useful_for_Link_Building_in_2026%3F

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