SomeAlgunas commercialpáginas websitesweb objectcomerciales tocritican otherque sitesotras makingpáginas hagan ''deep links'' a su contenido ya intoque theireso contentsupone eithersaltarse becauselos itanuncios bypassesque advertisingaparecen onen theirsu mainpágina pagesprincipal, <!--passes off their content as that of the linker or, like ''[[The Wall Street Journal]]'', they charge users for permanently-valid links. Sometimes, deep linking has led to legal action such as in the 1997 case of [[Ticketmaster]] versus [[Microsoft]], where Microsoft deep-linked to Ticketmaster's site from its Sidewalk service. This case was settled when Microsoft and Ticketmaster arranged a licensing agreement. Ticketmaster later filed a similar case against Tickets.com, and the judge in this case ruled that such linking was legal as long as it was clear to whom the linked pages belonged .<ref>{{cite news| title=Attention Editors: Deep Link Away| first=Michelle| last=Finley| date=2000-03-30| publisher=Wired News| accessdate=2006-11-05}}</ref> The court also concluded that URL's themselves were not copyrightable, writing: "A URL is simply an address, open to the public, like the street address of a building, which, if known, can enable the user to reach the building. There is nothing sufficiently original to make the URL a copyrightable item, especially the way it is used. There appear to be no cases holding the URLs to be subject to copyright. On principle, they should not be."
