What's the best SEO tool in engaging strategic competitors?

Provide examples.

Semrush and Ahrefs are useful for finding competitor keywords, backlink gaps, and pages attracting organic traffic, while Similarweb can add a broader channel view. I would pick one primary SEO suite, shortlist gaps that match your audience, then verify the competitor's pages manually instead of copying their strategy.

That comparison is helpful. I'd also separate research from decision-making: use Ahrefs or Semrush to surface gaps, but score each opportunity by relevance, attainable intent, and the value of the traffic. A smaller keyword gap tied directly to your offer is often worth more than a high-volume gap. Similarweb is most useful to me as a directional channel check, not a source of exact traffic numbers.