...SCImago Journal & Country Rank, a freely accessible journal ranking service, built on the Scopus list of journals that is searchable by 233 countries and indexes journals from the physical and the social sciences (including library and information sciences). To distinguish themselves in this now competitive market, these indices will have to compete on the basis of comprehensive coverage, which means expansion to include both developing world journals and open access journals. To give examples from just one source, the open access family of journals at BioMed Central has thirteen notable journals not indexed in SCI (Thomson Reuters) that receive prominent rankings in SCImago. Once the impact of open access journals is measured, then reliance on them will not diminish the contributions of the researchers who publish in them...