This article introduces a study on the websites of several European public research institutions that aims at identifying the science communication model chosen and implemented online with the purpose of reaching different target publics. The analytical approach takes into account a number of indicators: from the institutional identity to the scientific features, from the interactive services to the internationalisation level, in order to evaluate whether the web provides an added value in the

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... dopted communication model and in building a relation with the users. Lights and shades emerge from this study in which good practices side examples of a much weaker science communication approach, outlining a general context where a public research institution website has been still used as a presentation tool and its interactive opportunities have not been capitalised.