Various systems and methods for analyzing WebGL applications are described herein. A system comprises a recorder service module to intercept a plurality of graphics application programming interface (API) function calls, each of the plurality of graphics API functions calls having an associated execution context; a command translator module to translate the plurality of graphics API functions calls to a set of generic API invocations; a code generator module to generate executable code from the set of generic API invocations; and a replayer service module to test the executable code.