SpyFu is the eponymous SEO and PPC research platform from the company in Scottsdale, Arizona focused on "spying" on competitors, or basically using their behaviors to refine your own through keyword and content analysis, and backlink poaching. This positional search engine optimization and paid…
Semrush is a relatively popular search engine optimization tool set from the company of the same name based in Pennsylvania and founded in 2008. Largely the platforms relies on competitive intelligence, and features SEO staples like backlink checking, keyword analysis to refine SEO and PPC…