I wonder if you might have had a bad experience with the old rules-based PageSpeed Insights? It wasn't as good as the current one, being more of a checklist of

I wonder if you might have had a bad experience with the old rules-based PageSpeed Insights? It wasn't as good as the current one, being more of a checklist of "have you done all these things that usually help" and not "we loaded the page, computed metrics, and this is how well it did".