We are also using the uWS C++ library in production and have been extremely pleased with the performance. Integrating it was trivial and we haven't had any issu

We are also using the uWS C++ library in production and have been extremely pleased with the performance. Integrating it was trivial and we haven't had any issues. Alex has always been very responsive and helpful and his focus on performance is always extremely refreshing in the wake of the webdev world's "eh, good enough" mentality.