International audienceAre journalistic websites called participative in search of common identical standards ? Since the apparition of the social web, collaborative and participative dimensions have become constituent of news on line. Today, a journalistic website has neither credit nor influence of any sort without a space proper to readers. The expansion of recent news websites qualified as " pure players " such as Agoravox, Rue 89, Mediapart, Owni, Slate or LePost whose editorial lines are quite justly based on this participative aspect brings along the rupture of the journalists' monopole over the production of the media news. These medias are characterized by a similar presentation as a traditional written media on line, whereas they a...