This document provides an overview of various tools that can be used to test websites and generate hypotheses, including surveys, user testing, analytics, navigation testing, perception simulators, and cross-browser testing. It discusses specific tools like Qualaroo and UserTesting.com for surveys and remote user testing, ClickTale and CrazyEgg for on-page analytics, and responsinator.com for cross-browser testing. The document aims to help merchants and marketers evaluate their digital properties and gain insights.