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

https://wakelet.com/wake/wwUuOxdzjbWfOWfGRSIHW

Tiered link building uses two levels of backlinks to boost your site’s authority safely. Tier 1 links point directly to your site and are high quality. Tier 2 links support Tier 1 by linking to those backlinks, helping increase their value