The digital society demands greater institutional and political transparency, inuenced by the openness and accessibility characteristics of the Internet. The election campaign is the time for political parties to show how they want to act in government. This research aims to analyze what the parties say about their commitment to transparency and how transparent they are, in fact, during the electoral campaign. Thus, it tries to measure the level of transparency of Partido Popular and Ciudadanos during the election campaigns of 2015 and 2016 for the General Elections. For this, a quantitative and semi- qualitative content analysis was approached from the project of Dader, Campos and Quintana (2011) on the transparency of the organization, the transparency of the campaign activity, the transparency of the participation with the citizens, Transparency of data and computer tools and the transparency portal. The results allow us to observe an improvement between 2015 and 2016, as well as the dierences between what they proclaim in their electoral programs and the reality of their portals of transparency.