No Site does this, your computer and your web browser do.
It all depends on what browser you use and how you use it, as well as whether you keep or delete cookies, whether you delete history or whether you have popup enabled or disabled, and so on.
It's all your personal choice.
So, these are Your own choices on Your own computer.
No one else but only You can make these choices, because no-one even don't know what OP system You uses, what browser You uses, what extensions and adds You uses etc.