>Hi Mike,
>
>>What are you doing to determine if something makes a difference?
>
> I do what, I guess, most people do: I setup an environment and follow a sequence of steps that I make sure are the same for each test. Then, apply the change and test again. Or, have I misunderstood your question?

That sounds reasonable, however, I meant visual observation versus computer timing. A single person may not notice a form loading 30% faster, but that 30% multiplied by all the workstations adds up to a lot across 100 users on a LAN.