The FlexiCache 1.1 has ability automatically collect meta data (metatags) for each cached resource or accept custom meta tags. This provides further functionality to remove the cached data by using application meaningful information embedded in the metatags. The removal process is based on application business logic. The Output Cache Provider is able to automatically build meta tags collection from query string and form parameters. The result metatags have the following format: "userid=12345", where UserId was a form or query string parameter that was supplied with the request.