The advancement of communication technology has sophisticated all aspects of human lives, including Islamic _dakwah_ (preaching) activities, for Muslim communities in Indonesia. As a result, several Islamic organizations in Indonesia try hard to match this advancement by using digital media for their _dakwah _to reach larger audiences and youth media-savvy generation. This article, by focusing on three Islamic organizations in Indonesia (Nahdlatul Ulama known as NU, Muhammadiyah, and Al Washliyah), addresses the question of how their _dakwah_ activities and strategies respond (...) to advancement of communication technology on a social media platform, YouTube. This study employs digital etnography by collecting the data from YouTube accounts affiliated to the three organizations. By using content analysis for data interpretations, this article finds that each Islamic organization has its own characteristics of virtual _dakwah_ activities and strategies. NU focuses on the teachings of _ahlussunnah wal jamaah_ and religious tolerance, Muhammadiyah emphasizes charity and business, while Al Washliyah aims to strengthen the faith and morals of the society. In addition, their virtual _dakwah_ activities are also in the context of countering transnational Islamic movements that utilize social media for their _dakwah_. (shrink)