Summary: To be effective, QR codes need clear, brief, contextual information and must lead the user to relevant pages.
QR codes provide a seamless transition from the physical world to digital spaces or across digital channels. QR codes have a lower interaction cost than typing in a URL, but convenience does not guarantee that users will take action just because a QR code is presented to them.
Uses For QR Codes
Guidelines for QR-Code Usability
Unlike links with labels or raw URLs that contain destination information , QR codes have no information scent by themselves. They tell users nothing about where they lead or what will happen when they are scanned. Designers must provide enough contextual information about the code to convince the user to scan it. Without contextual information, QR codes are not trustworthy or enticing.
Additional contextual information might include a short URL indicating where the code leads, a label, or styling with company branding. However, a logo by itself is not sufficient contextual information.
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