v149 · Navigation · BFCache
Navigation Walkthrough
Step through a back/forward navigation cycle with an open WebSocket. Compare two modes: "Pre-149" (WebSocket blocks BFCache — full reload on back) vs "Chrome 149" (WebSocket closed gracefully — instant back from cache).
0BFCache hits
0BFCache misses
0WS reconnects
back nav time
// Events will appear here…
see also
- Connection Lifecycle Observer — real event stream
- Reconnect on Restore — pageshow reconnect pattern
- BFCache State Audit — what state is preserved vs lost
implementation reference
Need the exact API surface, compatibility boundaries, errors, lifecycle, and source links? Read the matching gendn reference ↗