The Meta Pixel is a snippet of JavaScript code that loads a small library of functions you can use to track Facebook ad-driven visitor activity on your website. It relies on Facebook cookies, which enable us to match your website visitors to their respective Facebook User accounts. Once matched, we can tally their actions in the Facebook Ads Manager so you can use the data to analyze your website's conversion flows and optimize your ad campaigns.

By default, the Pixel will track URLs visited, domains visited, and the devices your visitors use. In addition, you can use the Pixel's library of functions to: