How we built a Meta Pixel inspector

Have you ever shopped for a product online only to see the item appear ad nauseam in your Facebook or Instagram feeds? This is often the result of the Meta Pixel (formerly called the Facebook Pixel), a sophisticated snippet of computer code used for tracking you around the web, embedded in the HTML of a website. This code works by sending Meta, Facebook’s parent company, a detailed log of such user interactions as clicking on a product.