A system and method for generating a compatibility score are provided. Elements associated with a web content as rendered by a benchmark browser engine are received. Elements associated with the web content as rendered by the test browser engine are received. The elements of the web content as rendered by the test browser engine are compared with corresponding elements of the web content as rendered by the benchmark browser engine. A compatibility for the web content is generated based on differences from the comparison between the elements of the web content as rendered by the benchmark browser engine and the elements of the web content as rendered by the test browser engine.