| > Nearly all are open source and tracking free. Just checked OpenSea - Google Analytics, Amplitude, DoubleClick, Cloudflare insights, plus error tracking from Sentry. Zapper has Google Analytics and Amplitude. Click through to 'connect wallet' and you're now sending data to DoubleClick Zerion has Google Analytics, plus Plausible Analytics for good measure. Then when you click through to "connect wallet", you get some bonus trackers: Cloudflare Insights, Amplitude of course, you get Rollbar for error tracking (which can leak data if misconfigured). There's also Intercom on the page, which collects a little bit of analytics while
it's doing its thing. --- Diving in a little bit more: - I can confirm that Zerion sends your wallet address to Amplitude, Sentry, and Plausible Analytics. It also sends the current value of your wallet to Amplitude, when you hit "Buy crypto" or "Send" |