How can you tell if a QR code is static or dynamic?
You usually cannot tell just by looking at the pattern. The most reliable clue is to inspect the URL before opening it: dynamic QR codes often use a short redirect URL, while static ones may point directly to the final destination.
Explanation
Both types use the same visual QR standard. There is no universal icon that says static or dynamic.
Three useful clues
- If the QR appears in a dashboard where you can edit its destination, it is dynamic.
- If scanning shows a short intermediate URL before reaching the final website, it is probably dynamic.
- If the QR directly contains plain text, Wi-Fi details or an offline-readable vCard, it is static.
A short URL is only a clue, however. A static QR can also point to a generic URL shortener. The reliable criterion is whether an editable redirect exists behind the code.
Concrete example
A QR code first opens outilo.fr/q/abc12, then sends you to example.com/offer. The QR pattern contains the short URL, while the final destination is managed separately.
Common mistake
Do not try to identify a dynamic QR code by density or appearance alone. A shorter URL can make a code less dense, but that is not proof.
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