In this research, which was conducted to improve the web-based material design skills of Turkish teacher candidates, action research pattern, one of the qualitative research methods, was used. The study group of the research consisted of 61 teacher candidates studying in the second year of Yıldız Technical University, Faculty of Education, Department of Turkish Language Teaching. The research was carried out within the scope of the instructional technologies course. The material design rubric was used to observe the development of teacher candidates' web-based material design skills. After making their presentations, the teacher candidates were given feedback and this continued until the final presentation. Observations were also made by the researcher from the sixth week when the teacher candidates started their presentation to the last week. Between the sixth and tenth weeks, when teacher candidates started making their presentations, it was observed that they had sufficient knowledge about how to use web 2.0 tools in their materials in teaching Turkish. When the rubric scores were considered, it was seen that there was a development and improvement. In addition, it was observed by the researcher that teacher candidates were willing and motivated while preparing and presenting web-based materials, and that other teacher candidates willingly participated in the activities and had fun while the materials were implemented in the classroom. As a result, the study carried out had a positive impact on the development of Turkish teacher candidates' web-based material design skills.