Understood
Unless you clear your cache each session it should only download once then your browser pulls it from cache. This is how browsers speed up the experience. Amazon loads quickly because the standard images are already on my devices.
However clearing cache is probably not a bad idea
Actually they grow by a substantial number of new users every time I put them out
They only count new viewers which is a great feature of that tool.
One of them in my FR homepage was at about 25,000 over the summer. It is nearly 71,000 unique viewers now.
Hang in there
My real point is that just about everyone has already had a chance to see them now. Some of us might be tired of seeing them over and over.