web beacon
web bug
web tag
page tag
pixel tag

Embedded images may be used as a web bug to track users or to relay information to a third party.

Text-based and audio-based browsers do not download any web bugs at all.

In particular, an advertising company can track a user across all pages where it has placed advertising images or web bugs.

But bottom line is - oh, he also removes web bugs.

The tracking mechanisms employed are typically first-party cookies and web bugs.

But it can also operate as a completely invisible blocker of all these web bugs, 557 of them at last count.

The first web bugs were small images.

They could use web bugs in order to count and recognize users traveling around the different servers on the network.

Turning off a browser's cookies can prevent some web bugs from tracking a customer's specific activity.

Some web bugs tracking in email can be disabled by: