Playlog metrics is developed to utilize the mass amount of data that is collected from playlog.jp users. With an intuitive and user friendly graphical interface valuable data is presented to music producers and production managers of playlog.jp website. This data includes Artist/Album and Tracks charts for daily/weekly/monthly periods for top listens, top gainers and top losers. In addition, listening history data is calculated for each Artist/Album and Track within the playlog.jp system.

Technology: Similar to playlog.jp, metrics website and server backend is developed with Java (JDK 1.5). In the graphical user interface, Flash, JSP, Javascript and AJAX technologies are utilized.