Keeping a websocket alive would work, but then you're stuck holding a websocket for all of your users for the full session. Fine if you need a socket anyway, pr

Keeping a websocket alive would work, but then you're stuck holding a websocket for all of your users for the full session. Fine if you need a socket anyway, pretty wasteful if you don't. Sockets are pretty cheap these days, but I wouldn't really give this serious thought for a page with a lot of users.