Same as with Node. Take some browser tech, remove the browser, find out it's useful on its own. Browsers are really good incubators for fast, secure runtimes.

Same as with Node. Take some browser tech, remove the browser, find out it's useful on its own. Browsers are really good incubators for fast, secure runtimes. Every time you open a new tab, that engine has to run untrusted, third-party code provided by the website. And it has to do start up so quickly that you don't perceive it. Turns out those properties are useful on the server, too.