Tiered link building helps you boost your website’s ranking by creating links...

https://www.fastbookmarks.win/tiered-link-building-boosts-your-site-s-authority-by-creating-two-layers-of

Tiered link building helps you boost your website’s ranking by creating links at two levels. Tier 1 links point directly to your site, giving it strength. Tier 2 links support those Tier 1 links, making them more powerful