While browsing the web I look at the resources webpages want to load.

Sometimes (not that rare) they attempt to load scripts and resources from google owned domains:

Are you more distrustful of such sites, do you block their resource loading attempts? What are other google services/domains like this, often embedded into 3rd party websites?

I use decentraleyes and block js from loading using no scripts, I use a few other extensions two but those are the main ones