SpyFu
Competitor keyword & PPC intcompetitor researchppc researchkeyword researchelligence for reverse-engineering rivals
A competitor keyword and PPC intelligence tool that shows what a domain ranks and bids for, best fit for agencies and advertisers who need to reverse-engineer a competitor's search strategy.
What it does
Deep competitor keyword and PPC history data
SpyFu specializes in competitive research: enter a domain and it shows the organic keywords that domain ranks for, the paid keywords it bids on, historical ad copy, and estimated ad spend. It also does standard keyword research and rank tracking, but its core differentiator is competitor and PPC history depth.
It's most commonly used by PPC managers and SEO consultants doing competitive audits, agencies building a case for a prospective client by showing what competitors are doing, and advertisers researching keyword bids before launching a campaign.
Its positioning is narrower than a full-suite tool like Semrush: SpyFu is strong on competitive and PPC history but thinner on technical SEO auditing and content tools. Reviewers generally rate it well for the price but note the interface feels dated.
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