Simple Analytics - The privacy-first Google Analytics alternative located in Europe.
Optimizely - A/B testing you'll actually use.
Fathom Analytics - Simple, trustworthy website analytics (finally)
Sonar Network - Automatic daily website analysis
Plausible.io - Plausible Analytics is a simple, open-source, lightweight (< 1 KB) and privacy-friendly web analytics alternative to Google Analytics. Made and hosted in the EU, powered by European-owned cloud infrastructure 🇪🇺
VWO - Use VWO to tweak, optimize & personalize your website with minimal IT help.