Tiered link building are still effective in today's SEO world.

This approach revolves around supporting Tier 1 backlinks by creating a link pyramid of backlinks.

Instead of directing low-quality links at your main website, tiered SEO powers up your supporting content initially, which in turn passes value to your primary target.

This is a smart way to stay safe while still gaining off-page benefits.

If you're interested here in this method, check out this blog about SEO