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

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

Instead of sending low-quality links directly to your main website, this method build read more links to your supporting content first, which in turn pushes link juice to your primary target.

This is a strategic way to reduce risk while still gaining ranking improvements.

If you're interested in this method, check out this Tier 1 post