It's not (actually) down but 504 Gateway Timeout error to be precise. It just means that one particular server did not receive a timely response from another se

It's not (actually) down but 504 Gateway Timeout error to be precise. It just means that one particular server did not receive a timely response from another server that it was accessing while attempting to load the Quora or fill another request by the browser. In other words, 504 error usually indicates that a different computer, the one that you're trying to access Quora on doesn't control but relies on, isn't communicating with it quickly enough. Give it some time.