33% of Top Hospital sites have a Facebook Tracker

Not only by visiting but also when making a appointment or login data is shared with the Technology giant. The Meta Pixel is a snippet of code that tracks users as they navigate through a website, logging which pages they visit, which buttons they click, and certain information they enter into forms. It’s one of the most prolific tracking tools on the internet—present on more than 30 percent of the most popular sites on the web, according to The Markup’s analysis.