Web-based thematic modules were developed based on the needs of social studies teachers and students of a media that collects social science material in an integrated and thematic manner that is easily accessible and flexible. This study aims to: 1.) Find out the procedures for developing and making web-based modules on social science subjects material; 2.) Knowing the students' responses after using the web-based module as teaching material for social studies; and 3.) Knowing the effectiveness of web-based modules viewed from student learning outcomes. The method used is the research and development (RD) method with a three-stage development model there are design, production, and evaluation. The results of this study are: 1.) Web-based thematic modules developed in two themes, namely the first theme of forest and land fires in Kalimantan and the second theme of the Industrial Revolution 4.0; 2.) As for student responses to the use of this web-based thematic module product, in general, give a positive response. Although they found obstacles that were difficult to concentrate when studying with the website; and 3.) The effectiveness of the product seen from student learning outcomes showed that this web-based module did not have a significant positive impact on student learning outcomes. 46.03% of students entered the category of mastering, and 53.94% of students entered the category of not mastering, so that shows the level of digital literacy of students is still low.
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