Start with the outcome you want

Pick one outcome and measure it

The campaigns that work start from a single outcome — more reviews, more sign-ups, fewer reprints — and choose the code, the placement and the destination to serve it. A code that tries to do three jobs at once usually does none of them well, because the instruction next to it stops being specific. "Leave a review in one tap" outperforms "Scan me" every time.

Each solution page here follows that logic: the goal, the QR types that fit it, where to place them, and what the scan data can and cannot tell you about the result. Scans measure attention, not conversions — pair the code with a destination that captures the outcome itself, whether that is a review form, a redeemable coupon or a sign-up form. When the campaign changes, edit the destination and keep the print.