It's only trivial if I know that such plugins exist. And if I don't consider how to improve performance because at the moment I don't care, then it doesn't matter how trivial it is.
Hrm. That's a really good point. It's hard for me to see outside the fact that I've set up what seems like a hundred WP blogs in my lifetime. That adds a solid 5 minutes of Googling, which I still think is a pretty minimal commitment.