#rendering

3 posts

Performance

#react#performance#rendering#reconciliation#frontend

React Re-rendering: When and Why Component Trees Update

Render phase vs commit phase, reconciliation and fibers, what triggers re-renders, referential equality traps, context pitfalls, and React 18 batching.

Ashish Apr 1, 2026 12 min read
Performance

#performance#javascript#frontend#rendering#react

The 16.6ms Frame Budget: Why Fast Loads Still Feel Slow

At 60Hz the browser has ~16.6ms per frame for JS, layout, and paint. Why load scores miss jank and what it means for trading and live data UIs.

Ashish Mar 29, 2026 5 min read
Performance

#performance#browser#rendering#javascript#frontend

Browser Rendering Pipeline: How JS and CSS Become Pixels

Parse → DOM → CSSOM → Layout → Paint → Composite. What the main thread actually does each frame, what jank physically is, and how to stop causing it.

Ashish Mar 28, 2026 12 min read