Today volume of the Internet traffic growths very fast. This trend affects Web-application, with the number of users and amount of traffic also increasing their workload. That's why developers need to achieve maximum performance on existing hardware. Software optimization allows solving this problem. Geo2Tag is an open source platform for location-based services (LBS), which provide web interfaces for them. Initially, it was developed as an educational project which goal was to give students experience in open source projects development. But now number of supported functions and number of users (users of LBS and developers) for platform is increasing, and in this situation platform performance is not enough. This paper describes Geo2Tag platform performance evaluation and optimization.