Tiered link building helps boost your site’s authority by creating two levels...

https://wakelet.com/wake/wwUuOxdzjbWfOWfGRSIHW

Tiered link building helps boost your site’s authority by creating two levels of backlinks. Tier 1 links point directly to your website from quality sources, while Tier 2 links support those Tier 1 links, making them stronger