In recent years, the public visibility of science has greatly increased. In the digital media landscape, a wide range of players is now engaged in science communication via various online channels. While these developments offer opportunities, they also entail risks for the quality of science communication. This study explores how the quality of science communication can be assessed and promoted in the increasingly complex digital ecosystem. A two-wave survey with international science communication experts served as a basis to develop a quality framework for digital science communication and to formulate strategies to promote the quality of science communication online. Besides these outcomes, results hint at blind spots in the discourse of science communication quality that demand further investigation and reflection.