A web bug is an object that is embedded in a web page or email and is usually invisible to the user but allows checking that a user has viewed the page or email. Common uses are email tracking and page tagging for Web analytics. Alternative names are web beacon, tracking bug, tag, or page tag. Common names for web bugs implemented through an embedded image include tracking pixel, pixel tag, 1×1 gif, and clear gif. When implemented using Javascript, they may be called Javascript tags.
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Famous quotes containing the word web:
“Being so wrong about her makes me wonder now how often I am utterly wrong about myself. And how wrong she might have been about her mother, how wrong he might have been about his father, how much of family life is a vast web of misunderstandings, a tinted and touched-up family portrait, an accurate representation of fact that leaves out only the essential truth.”
—Anna Quindlen (b. 1952)