Tiered link building helps you boost your website’s SEO by creating layers of...

https://seo.edu.rs/blog/how-do-i-build-tier-2-content-that-looks-natural-and-not-forced-11162

Tiered link building helps you boost your website’s SEO by creating layers of backlinks. Tier 1 links point directly to your site for strong, high-quality traffic. Tier 2 links support those Tier 1 links to make them more powerful and trustworthy