yes, though like I said, there's no reason you can cache the results for a short time (whatever works for you..I've seen as short as 5 seconds and as long as 5

yes, though like I said, there's no reason you can cache the results for a short time (whatever works for you..I've seen as short as 5 seconds and as long as 5 hours). That way, if 10 users happen to look at it at the same time (common if you have an auto-refresh ajax thing going), it will keep the load low.