#memory

3 posts

Performance

#performance#memory#lighthouse#mobile#debugging

Lighthouse Score 100 and Still Crashes: OOM and Long Sessions

Why a perfect Lighthouse score doesn't prevent out-of-memory tab crashes in long-running SPAs — and how to build apps that survive 8-hour sessions.

Ashish Apr 4, 2026 12 min read
Performance

#javascript#performance#memory#v8#frontend

JavaScript GC: Pauses, Allocation Rate, and Frontend Jank

How V8's generational garbage collector works, why high allocation rate causes jank, and practical strategies to reduce GC pressure in frontend code.

Ashish Apr 3, 2026 12 min read
Performance

#react#performance#memory#leaks#javascript

React Memory Leaks: Closures, Subscriptions, and Object Graphs

How WebSocket subscriptions, stale closures, and unbounded caches create memory leaks in React apps — and how to find and fix them with Chrome DevTools.

Ashish Apr 3, 2026 11 min read