SpyFu

SpyFu is a tool that provides competitive intelligence for SEO and PPC. By entering a domain, users can view all of the keywords it ranks for, including the content that ranks, the Google ads it purchases, and its top competitors. Additionally, users can conduct thorough keyword research and discover which domains buy or rank for specific keywords, along with their historical data. SpyFu provides valuable insights and reporting that make it an excellent resource for both beginners and those looking to improve their existing campaigns.