SpyFu

SpyFu specializes in competitor keyword and PPC intelligence. Users can discover which keywords rivals buy on Google Ads, how much they spend, and their top-performing ad copy. Organic SEO insights show competitor ranking history, domain comparisons, and backlink opportunities. A keyword research module reveals search volume, CPC estimates, and difficulty metrics. SpyFu’s “Kombat” feature pinpoints keywords a site has in common with competitors. By focusing on competitor analysis, SpyFu helps digital marketers refine PPC bids, expand organic targets, and optimize overall search strategies.