Rust and Golang are suitable. If you’re willing to consider esoteric languages, they Ada. It’s made with security in mind, so might be appropriate for a web br

Rust and Golang are suitable. If you’re willing to consider esoteric languages, they Ada. It’s made with security in mind, so might be appropriate for a web browser. There’s an Ada HTTP server that might be a good starting point. It’s called Ada Web Server, or just AWS for short. The Ada community is cursed with terrible acronyms (AWS, GPS, SPARK, and Ada).