Tagging is a way to categorize content in any form - textual, image, sounds or other type of media. Tagged content complies with consistent rules of description so that search engines deliver more relevant search results, not only helping your Web site visitors find what they need, but also setting up relations between different types of content. 

Organizations using EPiServer CMS 5 are able to create content classification customized taxonomy structures, no matter what their line of business.  It is possible within an EPiServer project, to develop solutions or websites which comply to and use the most common standards for content description and metadata like Dublin Core, US-MARC and EPA.

Metadata

Effective use of metadata tags is key to optimizing Web page ranking in external search engines and making sure that your site gets the right exposure.  Easily managed in EPiServer CMS, metadata tags impact search engine ranking and presentation since the interpretation, searching and sorting is done more easily and efficiently.