How I Built a Modern Dashboard for GoatCounter - Rate Limiting, World Maps, and a Single HTML File

I use GoatCounter for my personal site analytics. If you haven't heard of it — it's a privacy-first, open-source analytics tool that doesn't track personal data. No cookies, no consent banners, lightweight script. I love it. But the built-in dashboard is... minimal. It shows you the data, and that's about it. No interactive charts. No world map. No visual drill-down into browser versions or regions. For a tool that collects genuinely useful data, the presentation felt like it was leaving a lot o