I have a subindex branch line of pages on my site about something that has nothing to do with the areas of my site that make money, and that almost nobody visits. I'm talking pennies a year.
It would take me 15 minutes to take them down, and reconcile a handful of broken links.
Does SEO mean that I should do this? Or are original (irrelevant) content pages good because they make the site bigger? Is the impact neutral and I should leave them there because they provide a rare public service to a few visitors?
Or is it impossible to know? My first thought is that a smaller, more focussed, site is preferable, particularly when I'm being terrorised by Google over mobile-unfriendliness, so a big rebuild is on the horizon.