The website is currently facing difficulties causing pages to time out with a 503 error. We apologise for the inconvenience caused, our engineers are investigating the problem. Scrobbling should not be affected.
Spotify have changed how access to their API works. If you use our Spotify scrobbler on a regular basis, please take a moment to disconnect and reconnect your Spotify account. You can do this via the applications settings page here: https://t.co/IyCO3wkpAD