Lovable
deployment
Browser Cache Blocking App Updates
Users don't see app updates. Old JavaScript cached in browser. New features don't appear even after deployment. Cache headers prevent fresh content.
Browser caches static assets for performance. Without proper cache headers, users see stale code.
Common Causes
- Cache-Control header allows long expiry
- File hashes not changing between builds
- Browser cache not cleared on new deployment
- CDN caching old assets
- Service worker caching old files
How to Fix It
Configure cache headers in server:
// Cache busting with file hashes in Vite (default)
// main.abc123.js - changes on build
// HTML should not cache
Cache-Control: no-cache, must-revalidate
// JS/CSS can cache long
Cache-Control: public, max-age=31536000, immutableOr add version query: ?v=1.0.0 to force reload.
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Get HelpFrequently Asked Questions
How does Vite handle cache busting?
Automatically adds content hash to filenames. main.abc123.js changes when content changes, forcing new download.
What if users still see old version?
Hard refresh (Shift+F5) clears browser cache. Serve index.html with no-cache header.