Citations based metrics have historically been used to evaluate scientific production. However, before the revolution of Web 2.0 arises Scientometrics 2.0, which seeks to expedite the perception of the impact of scientific publications, as well as strategic and emerging fields. In this context fall within studies with alternative metrics (altmetrics) that has the potential to enhance the understanding of the citation dynamics, taking into account the context and the scholarly role of different publications. This article presents a discussion on the field of “altmetrics” proposing its definition as webometrics and cybermetrics data usage in scientometric studies.