Resources/Engineering
Service Worker Background Sync Best Practices
Published
Background sync should retry idempotent work and surface a pending state in the shell until the network confirms the write.
Tag queues by feature, cap retry noise, and drop stale tasks so a long offline stretch does not replay a week of abandoned checkouts.
Written by Lisa Park
Engineer on the OnePWA client runtime.
Related Articles
Engineering••8 min read
The Architecture of 1PWA: Achieving sub-second loads with Advanced Caching
Explore the low-level design patterns of our service worker implementation. Discover how to orchestrate automated shell pre-caching and stateful offline fallbacks.
Alex Thorne
Case Studies••9 min read
Core Offline Capabilities checklist for 2026
Everything you need to verify before declaring your app ready for offline usage.
Marcus Brody