If you've spent any time in SEO forums the last few years, you've run into the term "NavBoost." It comes from Google's own leaked API documentation and antitrust trial testimony, and it describes something SEOs had suspected for a long time: Google doesn't just rank pages on links and on-page content anymore. It also watches what real searchers do after they click.

What NavBoost actually is

Based on the public testimony and documentation, NavBoost is a system that aggregates click data — which results people click on for a given query, how long they stay before returning to the search results, and whether they click something else afterward — and uses that aggregated behavior as a ranking signal layered on top of Google's core algorithm. It's not replacing relevance and links; it's adjusting for how real searchers actually respond once they're looking at the results.

The three behaviors that seem to matter most

  • Click-through rate. A result that gets clicked more than its position would predict stands out as unusually relevant to that query.
  • Dwell time. How long someone stays on the page after clicking, before doing anything else. Longer generally reads as "this answered what I was looking for."
  • Pogo-sticking. The opposite signal — someone clicks a result, bounces straight back to the search page within seconds, and tries something else. That pattern, repeated across many searchers, reads as "this result didn't deliver."

Why this matters for a site that's already well-optimized

Traditional on-page and technical SEO gets you into the neighborhood of a good ranking — correct structure, relevant content, solid backlink profile. NavBoost-style signals are about what happens after you're already visible: do the people who find you actually think you're the right answer? A page can be technically flawless and still underperform its potential if searchers aren't engaging with it the way Google's systems expect a top result to be engaged with.

That's the layer we work on. It doesn't replace the fundamentals — it's what happens once the fundamentals are already in place.