QR Streamer Checking offline…

Offline diagnostics v4

This panel proves whether the installed app is controlled by the service worker, whether the actual app shell is cached, and whether an offline navigation succeeds.

Boot

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Previous boot

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Network

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Display mode

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SW controller

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Registration

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Caches

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Storage estimate

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Cache probe

Not run

Mode

QR error correction

Frames / second

Max UTF-8 payload bytes / frame

Simple mode reproduces QRS1 index / total | text and works with your existing QRS1 receiver. XOR fountain mode sends source blocks once and then new repair combinations forever; it requires a matching receiver. Only one QR canvas exists at any time.