Introduction

WebAssembly (Wasm) represents one of the most significant advances in the history of the web platform.
Where JavaScript brought dynamic interactivity to browsers, WebAssembly extends the web with:

• high-performance computation
• portable binary modules
• execution close to native speed
• language interoperability (Rust, C/C++, Go, Zig, Swift, etc.)
• sandboxed security
• stable execution across environments

Originally imagined as a way to bring “native apps to the browser,” Wasm has become much more: