Tiered link building is a strategy that helps boost your site’s ranking by...

https://www.bravobookmarks.win/tiered-link-building-uses-two-levels-of-backlinks-to-boost-your-site-s-1

Tiered link building is a strategy that helps boost your site’s ranking by creating two levels of backlinks. Tier 1 links point directly to your site and have the most value. Tier 2 links point to your Tier 1 links to strengthen them