Websockets
https://github.com/arlac77/svelte-websocket-store
Websocket comparison across languages
Scaling websockets
https://composehq.com/blog/scaling-websockets-1-23-25
LiveView over HTTP and WS
https://en.andros.dev/blog/ef4968f5/html-over-websockets-real-time-spas-with-barely-any-javascript/
https://deno.land/x/liveviewjs
Alternatives
Long polling
https://www.inferable.ai/blog/posts/postgres-nodejs-longpolling.mdx