> small experimental utilities

This is what CDNs should be used for at this time—or for fetching the scripts to vendor. That’s fine, but recommending I don’t think is the best call since one folk’s experimental utility will inevitably get released into production—often not even at fault of the utility’s maker. When I use CDNs like this, there are <!-- WARNING … --> around the code just in case someone were to run with it, along with adding the integrity attribute.