Exactly. Contrary to popular belief cats don't sit there because a laptop keyboard is warm. They also sit on external keyboards or even in front of a tablet without a keyboard (blocking the view to the screen). They just want your attention.
I also felt that it was probably good for me for her to break my flow and demand my attention every now and then. It helped remind me to get up and stretch and be human better than I otherwise would have done.
to be fair, the page was probably arranged in a nice sunny spot at the time of the incident.
Mine too. I believe it has something to do with your scent being soothing to them. We tend to think of domestic cats as solitary creatures. And while it's true that cats are solitary hunters, they are absolutely a social species, a truth betrayed by feral cats predominantly organising into colonies.