What I learned building — measured, not guessed.https://devfrs.com/enhttps://devfrs.com/en/blog/lighthouse-was-measuring-the-wrong-page/https://devfrs.com/en/blog/lighthouse-was-measuring-the-wrong-page/A performance gate that passes is worthless if it measures something else. How a busy port handed me a plausible, wrong perf 62 — and what I changed so the error can never fail silently again.Thu, 30 Jul 2026 12:00:00 GMTPerformanceLighthouseCI