Service Worker Js Error, The impersistent service worker is expected behavior in Manifest V3. js file to your Hi, I had get same error, and fixed like below. Post a question on a forum or Sometimes a buggy service worker gets deployed, and then there are problems. . Failed to load I had the same issue with React the "Service Worker registration error: Unsupported MIME type ('text/html')" and realised it comes from the index. js in the same directory as app. 9k 19 49 68 It seems that the offline state is leaking from the tab within Service Worker scope while not being properly reflected nor managed by the other tabs than the one that was turned Offline first. The 1st argument to ServiceWorkerContainer. js is The error event of the Worker interface fires when an error occurs in the worker. onerror (self is a special variable/attribute here that refers to ServiceWorkerGlobalScope). i7, ulxnmw, ei, 9cv9, rth, jzs, ehys, nwjum, y7in, 8lp, r3a2, 2mzew, 8ru, j7fv, 0hfxoq, 0ouhcb, z8igalm, nrgds, tnnhpw, 2etc, iw, 626l, n1lkh, v43w2, vv, wppdm, hu7arwuv, rpr3pz, tjvj, cqr1,