Tiered link building organizes backlinks into two groups. Tier 1 links point...

https://emilianosniceop-eds.tearosediner.net/how-do-i-measure-success-from-a-tiered-link-building-campaign

Tiered link building organizes backlinks into two groups. Tier 1 links point directly to your site and carry the most value. Tier 2 links support those Tier 1 links, boosting their strength and helping improve your rankings