Lighthouse 100 and Still Crashes: OOM Explained

A Lighthouse score of 100 means the page loads efficiently in a clean, synthetic test environment; it says nothing about what happens after 6 hours of continuous use — a hundred route navigations, thousands of polling cycles, and a React Query cache holding responses that should have been evicted hours ago. Why lab metrics miss this: Lighthouse runs a single page load on a clean browser instance. It cannot measure heap growth rate, memory fragmentation, or tab survival probability on a 3GB Andro