What is the difference between Websockets and FIX?

Could you please elaborate on the fundamental differences between Websockets and FIX protocols in the realm of cryptocurrency and financial trading? How do they vary in terms of their use cases, performance capabilities, and the kind of data they are designed to transmit? Additionally, which one might be more suitable for high-frequency trading or real-time market data streaming, and why? Understanding these nuances could help traders and developers make informed decisions when selecting a communication protocol for their financial applications.