Tiered link building are still effective in today's SEO world.
This approach revolves around powering up key links by building a structured chain of backlinks.Rather than pointing low-quality links straight at your main website, tiered strategies strengthens your supporting content at the top layer, which in turn pushes link juice to your primary target.
This is a click here strategic way to reduce risk while still gaining ranking improvements.
If you're interested in this method, check out this supporting article