Our blog is hosted on Ghost (ghost.io). Periodically the blog becomes unavailable - like right now. Ghost’s tech support folks can’t see anything wrong, and suggests:
As you use a subdirectory setup, all of your traffic goes through your proxy before it reaches us. Therefore this drop in traffic could be caused by the proxy encountering issues, or by issues with the network between you and your proxy, between your proxy and us, or with the configuration of the proxy causing compatibility issues, which can appear intermittently.
Can someone suggest steps we can use to debug the issue?