Tiered link building breaks your outreach into layers. Tier 1 links point...

https://aged-wiki.win/index.php/Is_Domain_Authority_(DA)_Still_a_Good_Metric_for_Link_Building%3F

Tiered link building breaks your outreach into layers. Tier 1 links point directly to your site and have the most value. Tier 2 links support Tier 1 pages, boosting their strength and helping your site rank higher