This approach revolves around boosting Tier 1 backlinks by creating a structured chain of backlinks.

Instead of sending low-quality links straight at your main website, tiered strategies build links to your supporting content at the top layer, which in turn pushes link juice to your primary target.

This is an intelligent way to reduce risk while still gaining ranking improvements.

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