IXWebSocket is a C++ library for WebSocket and HTTP client and server development. It has minimal dependencies (no rabbit holes), is very simple to use and support everything you'll likely need.
Interested ? Go read the [docs](https://bsergean.github.io/IXWebSocket/site/) ! And if it doesn't work as expected, please create an issue in github, or even better a pull request if you know how to fix your problem.