Tiered link building uses two levels to boost your site’s ranking. Tier 1 links...

https://www.bookmark-friend.win/tiered-link-building-helps-you-build-strong-backlinks-in-two-steps-first-you

Tiered link building uses two levels to boost your site’s ranking. Tier 1 links point directly to your site and have the most impact. Tier 2 links support those Tier 1 links by linking to them, making the overall link profile stronger and more natural