Social Web metadata is the outcome of analyzing content of social media sites and generating additional information on those crawled sites. This metadata can be information that is directly extracted out of the full HTML code or derived works, that are calculated with the given data. The set of extracted socia media metadata is composed of publishing date, author, title and relevant content. Social media metrics are relevance rankings, language detections, influence ranking, or any other metadata derived from the content or from the social web source.