Good guide. The bit I’d emphasise is that “future proof” usually comes down to selection discipline, not just link type.
A niche site with 10k real search traffic, ranking for relevant terms, and publishing useful editorial content can be far stronger than a DR70 site with random categories, thin posts, and obvious paid link footprints. DR is useful as a rough filter, but it should never be the buying decision.
For anyone building links in 2026, I’d check:
1. Does the site rank for real keywords in its own niche?
2. Is traffic stable or growing, not just a one month spike?
3. Would the link make sense to a human reader in that article?
4. Is the site selling links across every possible niche?
5. Does the anchor look natural in the sentence?
The biggest mistake I still see is forcing placements onto “strong” domains where the page, topic, and anchor do not fit. That is where a lot of links become wasted spend.
Good link building is strategy first, link second. Pick the pages that can actually grow revenue or leads, then choose placements that support those pages naturally.