|See also:||AO3 Tagging Policy Debate, Archive Of Our Own, Filtering Tools, Bruce Banner Syndrome|
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Overtagging describes the situation where a work on Archive of Our Own has an excessive amount of tags, to the point of being superfluous or irrelevant to the work. Overtagging makes is difficult to find works with specific contents. The term can apply to character, relationship, and freeform tags.
This can occur in a variety of situations. One of the most common is when a user posts a collection of drabbles as a single work, with each chapter being a separate drabble. Ao3 does not have chapter-level tags, so any tags added when uploading a chapter will simply become additional tags. Large, multi-fandom crossovers also tend to be prone to overtagging, as well as some groupchat fics