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A web site, service, or computer program that is unpleasant or ugly or offensive.

A displeasing web site or computer program; one that is prominently ugly or unsightly.

(Digital variant of "eyesore.")
GeoCities once hosted a large collection of bytesore web sites.

Sorry, dude, your new web site is a hideous bytesore.
by nohtary December 20, 2009
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