Do Backlinks Still Matter in the AI Era? A Plain-English Guide to Off-Page SEO

Haven’t backlinks been “dead” for years?

People have been declaring backlinks dead since about 2012. The data keeps disagreeing.

Backlinks remain a top-3 Google ranking factor, and the number of referring domains shows the strongest correlation with rankings of any factor studied. Top-ranking pages have around 3.8× more backlinks than the pages ranked 2–10, and pages with no backlinks get virtually zero organic traffic (Ranktracker, 2025; Search Engine Land).

What has died is the old game of buying hundreds of junk links. That doesn’t just fail now — it can actively harm you.

What actually changed: quality crushed quantity

The single most important shift: relevance and authority now dominate volume.

• A link from a high-authority domain delivers roughly 5× more ranking impact than one from a low-authority site — and when the link is also topically relevant, that multiplier climbs to 14× or more (Ranktracker).
• 93.8% of SEO practitioners now prioritise link quality over quantity (Ranktracker).
• Google’s own John Mueller has stated relevance and quality of links matter far more than volume.

Quick myth-buster: Google does not use Moz’s “Domain Authority” or Ahrefs’ “Domain Rating” directly — those are third-party scores. They correlate with rankings because they measure the same underlying signals Google cares about (genuine, relevant, quality links). Chase the real thing, not the vanity score.

Why backlinks matter even MORE for AI SEO

Here’s the part most “backlinks are dead” articles miss entirely.

AI answer engines decide who to quote partly based on how often and where a source is referenced across the web. Multi-platform presence — being mentioned across many reputable sites — is one of the defining traits of brands that get cited by AI (Marketing LTB, 2026).

In other words, the same off-page work that earns you Google rankings also teaches AI models that you’re a trustworthy source worth naming. Off-page SEO now pays off in two currencies at once: rankings and AI citations.

So what does good off-page SEO look like in 2026?

It’s less “link building” and more earned authority. The methods that work:

1. Digital PR — getting genuinely newsworthy stories, data and commentary placed in reputable NZ and industry media. (Publishing original research — like a proprietary survey — is one of the best PR and AI-citation assets there is.)
2. Relevant, authoritative placements — links from sites in or adjacent to your industry, not random directories.
3. Brand mentions — even unlinked mentions of your business across the web build the “entity” picture AI engines rely on.
4. Local citations — consistent business listings that also power your map-pack presence.
5. Genuinely link-worthy content — the kind of resource other people want to reference.

This is exactly what managed off-page SEO and digital PR is built to deliver — authority and citations, acquired the way Google and AI engines actually reward.

The NZ opportunity in off-page SEO

Because NZ trails global digital trends, many local industries have surprisingly weak backlink competition — the “link economy” here is less saturated than in the US or UK. That means well-executed digital PR can build authority faster and cheaper in NZ than in bigger markets, if you move before your sector wakes up to it.