Tiered link building uses two levels of links to boost your website’s SEO. Tier...

https://direct-wiki.win/index.php/Should_I_Build_Tier_2_Links_to_Guest_Posts_or_to_the_Homepage%3F

Tiered link building uses two levels of links to boost your website’s SEO. Tier 1 links point directly to your site, giving it strong, clear signals. Tier 2 links then support your Tier 1 links, making them more powerful