This is a bit off-topic but I'm anxious for some quick feedback and the matter might not be exclusive to cosm.
I had cosm running fine for several days
Suddenly, I could no longer see the graph but the data was still being uploaded OK as I could see it in the orange boxes. This led me to believe that the problem was at the cosm end.
I now find that I can see the graph on the laptop and the tablet. I therefore conclude that the problem is the Firefox installation on the desktop. I can't see the graphs on the desktop using IE8 either, but I'm prepared to put that down to another issue as I don't normally use IE8 for anything.
The laptop uses Firefox, the tablet has its own Android stuff.
I suspect my problem is caused by a Firefox automatic update, and I am wondering what to look for.