By Nick Faber. From cuberis.com. Posted on 5/9/18.

It represents all of the content your museum puts on the Internet.
The cat’s head represents the most popular pages on your museum’s website.
The cat’s tail represents the more obscure pages that only get a few visits a month.
Cat Illustration with Popular Content at the Head and Obscure Content at the Tail
We chose a cat for this metaphor for two reasons.
First, the obvious. If you were to plot your web pages on a curve and sort them by traffic, the shape would look roughly catlike.
But here’s the other reason: Think of the last time you pet a cat. Did you pet its head or its tail?
If this were a real cat, you would probably give its head more attention. If you pet its tail, you might get scratched.