Tiered link building uses two levels of links to strengthen your website’s...

https://wiki-global.win/index.php/How_Do_I_Build_Tier_1_Links_If_No_One_Accepts_Guest_Posts_in_My_Niche%3F

Tiered link building uses two levels of links to strengthen your website’s authority. Tier 1 links point directly to your site, driving real traffic and search strength