Nowadays, many students spend much of their time in the Internet. The do activities such as blogging, downloading, uploading, chatting, and facebooking. Students today are living with the technology. Research shows that weblog and facebook potentially support learning and teaching. Teachers and educators use them to improve the quality of learning. This research aimed at finding out the effectiveness of weblog and facebook when they are integratedly used to supplement teaching. It used descriptive quantitative method Data were collected from the facebook pages under observation and from respondents who were taking the course of the Introduction of Second Language Acquisition (SLA). The data were described and analyzed. The finding suggests that the weblog and facebook can effectively be used to supplement learning.