Tiered link building are still effective in 2025.

This approach involves supporting important web pages by generating multiple layers of backlinks.

Rather than pointing low-quality links straight at your main website, tiered SEO strengthens your supporting content at the top layer, which in turn pushes link juice to your primary target.

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

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