Practical writing about making printed marketing measurable—choosing the right kind of code, sizing it so people can actually scan it, and working out what the numbers mean afterwards.
One is free forever and can never be changed. The other costs money and can be edited and measured. Here is how to tell which your campaign actually needs — before it goes to print.
The single most common reason a printed QR code does not work is that it was printed too small for the distance people stand at. Here is the arithmetic, with sizes for every common format.
Codes rarely fail mysteriously. There is a short list of causes, and they are not equally likely. Work through them in this order and you will usually find it within a couple of minutes.
The corner squares, the random-looking speckle, the blank margin — every part of a QR code is doing a specific job. Here is what each one does, and why that matters when you print one.
Tracking scans is the easy part. Structuring your codes so the numbers answer a real question — and knowing what a scan does not prove — is where most campaigns go wrong.
A QR code is just text — it cannot infect anything. The risk lives entirely in where it sends you, and in whether somebody has stuck a different code over yours.
A logo in the middle of a code is not a trick or a hack. It works because QR codes carry redundant data. The question is how much of that redundancy you can spend before the code stops scanning.
Nobody scans a code because it says “scan me”. They scan because they know what they get. Two seconds of copywriting usually beats any amount of design work.
Getting the scan is the hard part, and most campaigns waste it. The page a code opens is almost always designed for a desktop visitor who arrived from Google — not someone holding a flyer in the rain.
They solve the same problem — getting someone from a physical object to a digital destination — with completely different economics. The right answer usually comes down to how many units you are producing.
Make a code free with no sign-up, or start a trial and see who is actually scanning your printed work.