WebAssembly, “wasm” for short, .wasm filename suffix, is an emerging standard whose goal is to define a safe, portable, size- and load-time efficient binary compiler target which offers near-native performance—a virtual CPU for the Web.
Auth0 explains WebAssembly pretty well in this post, if you need a better overview.
WebAssembly – One Year Later
WebAssembly is designed with several use cases in mind, inside and outside the browser. As you can guess, wasm can be used for image/video editing, AAA games in the browser, live augmentation, Virtual Reality and so much more. Pretty much everything that is already possible on the web, but with the potential to be faster and more efficient. But WebAssembly can be also useful outside the browser: server side applications, hybrid native apps, server side computing of untrusted code are just some of the potential applications.
The roadmap is also going well. In the last year, the WebAssembly Community Group has made a great amount of progress, producing:
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