Background Sync
Background Sync — Defer actions until the user has stable connectivity via the service worker.
Browser & ecosystem support
Section titled “Browser & ecosystem support”| Browser / Platform | Support | Since | Confidence | Source | Notes |
|---|---|---|---|---|---|
| Chrome (Android) | ✅ yes | 49 | high | ref | — |
| Chrome (Desktop) | ✅ yes | 49 | high | ref | — |
| Edge (Desktop) | ✅ yes | 79 | high | ref | — |
| Safari (iOS) | ❌ no | — | high | ref | Not implemented in WebKit. |
| Safari (macOS) | ❌ no | — | high | ref | Not implemented in WebKit. |
| Firefox (Desktop) | ❌ no | — | high | ref | Not implemented in Gecko. |
| Samsung Internet | ✅ yes | 5.0 | medium | ref | — |
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