Something I noticed when I was sat on the main page for a while in one tab while doing other stuff in other tabs - it eventually told me I was disconnected and

Something I noticed when I was sat on the main page for a while in one tab while doing other stuff in other tabs - it eventually told me I was disconnected and asked me to reconnect. Have you considered using a library like socket.io or something along those lines that already is able to deal with the reconnection logic with little additional effort required implementation-wise?