SpyFu is a competitive research tool focused heavily on revealing competitors’ historical organic and paid keyword strategies, including which keywords they’ve bid on, their estimated ad spend, and how their rankings have changed over time.
It’s particularly useful for understanding a competitor’s long-term keyword strategy evolution, rather than just a current snapshot, helping identify patterns in how they’ve shifted focus across different keyword themes over months or years.
SpyFu’s historical data depth makes it a valuable complementary tool alongside more comprehensive platforms like Ahrefs or SEMrush, especially for competitive strategy research.
We incorporate competitive research into our SEO Audits & Reporting service.