You can do that, and you can also proxy encoded requests which obfuscates all data, but you could also do that with the previous version of Google Analytics via

You can do that, and you can also proxy encoded requests which obfuscates all data, but you could also do that with the previous version of Google Analytics via the Measurement API. In practice - in the EU, at least - I haven't seen any examples of this, and it would be unlawful without consent anyway, thanks to the GDPR. It's also still fairly easy to classify requests (if you have access to the unencrypted request in the browser) based on heuristics. That's partly what the company I work for does. Separately, thank you for your contribution to the Internet - it's as big and important as all the behemoths, but unfortunately will never be rewarded in the same way.