This research aims to produce of blog-based media development in learning anecdote text writing with X class replication. The research method used is the research development method which is ASSURE development design. Data analysis is using problem test, instrument and questionnaire. The results of media development research stated that blog-based learning media developed is appropriate. The results of development research show 1) The feasibility of developing a blog media learning design, the results of material expert validation for learning materials based on blogs of 98 are in excellent qualifications. The results of validation of educational practitioners for media and blog-based learning materials of 99 are in excellent qualifications. The results of validation of media learning experts for blog-based learning media of 100 are in excellent qualifications; 2) The feasibility of the media of the learning blog by the teacher shows that at the time of the limited trial of the material aspect and presentation showed a negative response with the frequency of the total percentage of 75%, increasing to 100% during trial after revision; 3) The effectiveness of learning both indicated by the completeness of the learning result of concept comprehension on anecdotal text writing material as well as writing skill is exceeded with value ≥75, student learning outcomes have exceeded KKM with 100% completeness percentage with mean score 83,4. The development of a learning blog media writing anecdotal text has the feasibility, practicality, and effectiveness. Based on the research findings, it is concluded that the development of blog-based learning media as a medium in learning can be studied independently to overcome one of the teaching problems.