Explore how to enhance web applications using Rust and WebAssembly in this 30-minute conference talk from RustCon Asia 2019. Discover the concept of "heavy computations" and their impact on users and businesses. Compare the performance of JavaScript and Rust through examples in a React and three.js application. Learn the process of integrating Rust and WebAssembly into web projects, including code writing, npm module building and publishing, and webpack loading. Understand how the wasm-bindgen library facilitates communication with JavaScript and reduces boilerplate code. Gain insights into quality control tools and testing practices for Rust and WebAssembly projects. Access the presentation slides on GitHub and follow RustConAsia on Twitter for more Rust-related content.