Tiered link building is all about creating a smart hierarchy to boost your...

https://wiki-mixer.win/index.php/Will_Too_Many_Low-Quality_Backlinks_Hurt_My_Site_Even_If_I_Have_Good_Links%3F

Tiered link building is all about creating a smart hierarchy to boost your domain authority. You focus on building high-quality Tier 1 links directly to your site and then use Tier 2 links to power up those pages