I'm currently experimenting with Plausible Analytics for this site to give me a small insight in to the content you may or may not be enjoying so I can create more relevant waffle.
Plausible tracks very little data
I am not using the Initial Referrer option so no data or cookies should ever be stored on your device on behalf on Plausible Analytics. If you find that this is not the case, please let me know.
Plausible are GDPR compliant and you can read their full data policy here.
For reference, this is what I see on my dashboard (which can, and may in the future be made public):