SpyFu

SpyFu: Steal Your Rivals’ Thunder – Punch in a domain,and it spills 500+ keywords they rank for—volume,history since 2006,even PPC spend guesses ($5K/month?). Backlink analysis lists 1K+ sources with strength,and Kombat pits three domains for keyword gaps—pure sneaky fun. Ad History digs up 20+ PPC campaigns with copy and clicks,while PPC Advisor sharpens your bids. A bootstrapped startup I know raided rival gaps ahead of a product launch,pumping traffic 15% from 4K to 4.6K visits in a week—$39/month for small biz owners nabbing SEO and PPC tricks on the cheap.