Tiered link building is a strategy that helps boost your site’s ranking by...

https://www.mediafire.com/file/z9mgvqdwwo1eb8a/pdf-42897-77316.pdf/file

Tiered link building is a strategy that helps boost your site’s ranking by creating two levels of backlinks. Tier 1 links point directly to your site and have the most value. Tier 2 links point to your Tier 1 links to strengthen them