How I Built a Privacy-First Firefox New Tab Extension (No Data Collection, Ever)

The Problem With Most Browser Extensions Browser extensions have a reputation problem. Many popular extensions — weather apps, new tab replacements, productivity tools — quietly collect your browsing data, sell it to advertisers, or require accounts that tie activity to your identity. When I built the Weather & Clock Dashboard for Firefox, I made a different choice: zero data collection, no accounts, no tracking. Here's exactly how that works technically. What "Privacy-First" Actually Means