Scout is Application Performance Monitoring (APM) that finds what you can't see in charts. Since 2008, Scout has continually tracked and isolated N+1 database queries, sources of memory bloat, and performance abnormalities for leading-edge SaaS companies like Expedia, Chargify, Liftopia, and MindBody. Scout enables companies with Ruby, Python, Elixir, PHP, and Node.js apps to innovate faster by highlighting performance problems, filtering out the noise, and eliminating guesswork.