Which term describes small, embedded graphics used for tracking visits to web pages?

The term that accurately describes small, embedded graphics used for tracking visits to web pages is "Web Beacons." These are typically transparent images (often just 1x1 pixels in size) that are integrated into web pages or emails, allowing website owners to track user behavior, gather analytics on web traffic, and gauge the effectiveness of online advertising.

Web Beacons work by sending information back to the server each time the graphic is loaded, thus providing insights on how many users visited a particular page or opened an email. They are valuable tools for marketers and web developers to analyze user engagement and optimize their strategies accordingly.

While the term "Web Bugs" is sometimes used interchangeably with Web Beacons, in a more technical and precise context, Web Beacons is the preferred term that accurately encapsulates the concept of these tracking tools.