Web bug


Web bug
n.
A small, invisible image embedded into an HTML-formatted email message or a Web site and used to track the activity of users who read the message or visit the site.
Example Citation:
"Invisible tags sometimes called Web bugs are widely used in HTML e-mail by marketers and others to detect whether an individual has opened an e-mail message. The Congressional Privacy Caucus has announced plans to hold hearings to investigate the use of Web bugs later this month. Mr. Smith said that it was now clear that JavaScript could be used to create a more powerful Web bug so that not only can someone find out when a message is read, but also what is being said about it."
— Amy Harmon, "A New Trick Gives Snoops Easy Access To E-Mail," The New York Times, February 5, 2001
Notes:
News of these Web bugs (also called HTML bugs) has exploded over the past couple of days, but they've been around in a less sophisticated form for about a year and a half. Their first exposure to the harsh light of the mainstream came in the following Washington Post article:
"Until recently, almost no one but computer specialists had heard about Web bugs, often known in the trade as 'clear GIFs.' But with exploding interest in target marketing on the Internet — and several companies poised to begin identifying computer users by name — Web bugs have suddenly drawn the attention of advertisers, government officials and privacy advocates."
— Robert O'Harrow Jr., "Fearing a Plague of 'Web Bugs'; Invisible Fact-Gathering Code Raises Privacy Concerns," The Washington Post, November 13, 1999
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Look at other dictionaries:

  • Web bug — A web bug is an object that is embedded in a web page or e mail and is usually invisible to the user but allows checking that a user has viewed the page or e mail.[1] One common use is in e mail tracking. Alternative names are web beacon,… …   Wikipedia

  • Web bug — Un web bug (también llamado baliza web o faro web) es una diminuta imagen en una página web o en un mensaje de correo electrónico que se diseña para controlar quién lo lee. Su tamaño es inapreciable, pudiendo ser un píxel en formato GIF y… …   Wikipedia Español

  • Web-Bug — Als Zählpixel (engl. Tracking Bug oder Web Bug; auch deutsch Web Wanze, Tracking Pixel, IVW Pixel, ivwbox, Pixel Tag, Pixelmethode, Ein Pixel Bild, 1×1 gif, Clear gif oder Web Beacon) bezeichnet man kleine Grafiken in HTML E Mails oder auf… …   Deutsch Wikipedia

  • Web Bug — Als Zählpixel (engl. Tracking Bug oder Web Bug; auch deutsch Web Wanze, Tracking Pixel, IVW Pixel, ivwbox, Pixel Tag, Pixelmethode, Ein Pixel Bild, 1×1 gif, Clear gif oder Web Beacon) bezeichnet man kleine Grafiken in HTML E Mails oder auf… …   Deutsch Wikipedia

  • Web bug — Un web bug es una gráfica en una página web o en un mensaje de correo electrónico que se diseña para controlar quién lo lee. Su tamaño es inapreciable, pudiendo ser un píxel en formato GIF y transparente. Se representan como etiquetas HTML… …   Enciclopedia Universal

  • web bug — ● ►en loc. m. ►WEB Petit mouchard placé sur une page web, classiquement une image invisible d un pixel de large sur un de long. Pour surveiller les gens, il suffit de surveiller les téléchargements de cette image …   Dictionnaire d'informatique francophone

  • web bug — noun A small, usually transparent image added by an advertiser to a webpage (to track its popularity) or e mail message (to track when it is read). Syn: web beacon …   Wiktionary

  • Bug — NOTOC Bug or BUG can refer to:Biology* An insect of the order Hemiptera, also known as the true bugs . (Older taxonomies identify a suborder Heteroptera .) * Any arthropod (excepting most crustaceans); includes insects, but also non insects such… …   Wikipedia

  • Web-Bugs — Als Zählpixel (engl. Tracking Bug oder Web Bug; auch deutsch Web Wanze, Tracking Pixel, IVW Pixel, ivwbox, Pixel Tag, Pixelmethode, Ein Pixel Bild, 1×1 gif, Clear gif oder Web Beacon) bezeichnet man kleine Grafiken in HTML E Mails oder auf… …   Deutsch Wikipedia

  • Web-Wanze — Als Zählpixel (engl. Tracking Bug oder Web Bug; auch deutsch Web Wanze, Tracking Pixel, IVW Pixel, ivwbox, Pixel Tag, Pixelmethode, Ein Pixel Bild, 1×1 gif, Clear gif oder Web Beacon) bezeichnet man kleine Grafiken in HTML E Mails oder auf… …   Deutsch Wikipedia