Similarweb
similarweb.comResearch
Lets you snoop on a competitor's traffic sources and growth trend before you copy their strategy.
Other products from Research
Shows you exactly which sites, podcasts, and accounts your target audience actually pays attention to, instead of guessing.
Mines Reddit for the pain points and gripes your future customers are already posting for free.
Reveals exactly what tech stack a competitor's site runs on, handy for sizing up the build, not just the pitch.
Handles the annoying part of user research: finding and paying real people who'll actually show up to your interview.