Introducing Svelte, and Comparing Svelte with React and Vue

Josh Collingsworth is clearly a big fan of Svelte, so while this is a fun and useful comparison article, it’s here to crown Svelte the winner all the way through.
A few things I find compelling:

One of the things I like most about Svelte is its HTML-first philosophy. With few exceptions, Svelte code is entirely browser-readable HTML and JavaScript. In fact, technically, you could call Svelte code as a small superset of HTML.
Svelte is reactive by default. This means when a variable is reassigned, every place it’s used or referenced also updates automatically. (React and Vue both require you to explicitly initialize reactive variables.)
I do find the component format nice to look at, like how you just write HTML. You don’t even need a