WebAssembly, or Wasm for short, is a stack-based virtual machine that runs on existing browser engines. It is a cross-platform binary portable target for language compilers. WebAssembly makes it possible to build high performance Single Page Applications (SPA) without relying on JavaScript and/or other front-end frameworks. Learn what Wasm is and does and see it in action with examples using Go, Rust, and C#. @JeremyLikness is a Cloud Developer Advocate for Azure at Microsoft. Jeremy wrote his first program in 1982, was recognized in the "who's who in Quake" list for programming the first implementation of "Midnight Capture the Flag" in Quake C and has been developing enterprise applications for 25 years with a primary focus on web-based delivery of line of business applications. Jeremy is the author of four technology books, a former 8-year Microsoft MVP for Developer Tools and Technologies, an international and keynote speaker and writes regularly on cloud and container development. Jeremy follows a plant-based diet and spends most of his free time running, hiking and camping, and playing 9-ball and one pocket. Jeremy regularly posts to his blog at https://blog.jeremylikness.com/