web bug

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|internet|marketing}} A small, usually [[transparent]] [[image]] added by an [[advertiser]] to a [[webpage]] (to track its popularity) or [[email]] message (to track when it is read).

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.