QR Code Opens the Wrong Link or Page
Most often this is a simple content mistake made when the code was created — a typo in the URL, or linking to a draft or staging version of a page that later gets taken down or replaced while the printed code still points at it. Less commonly, the destination page itself might have its own redirect that sends visitors somewhere unexpected, even though the QR code is technically correct. Always click the exact encoded URL directly in a browser before finalizing a print run, and re-check it after any site restructuring.
The single most common cause is a mistake baked in at creation time, not anything going wrong later. A mistyped character in a URL, an extra space, or a missing https:// can all produce a code that scans successfully but lands somewhere unintended — a parked domain, a search results page, or nowhere at all. This is easy to catch if the exact destination is tested by opening it in a browser before the code goes anywhere, but easy to miss if the only check performed was confirming that the code scans at all, without looking closely at where it actually lands.
A subtler and very common version of this is linking to a draft, staging, or preview version of a page instead of its live published address. The code works perfectly at the moment it's created and tested, because the staging page is live at that moment too — but staging environments get taken down, restructured, or replaced with a different draft later, and the printed code has no way to know that happened. Months later, the same code that worked fine during testing now points at a page that no longer exists.
Less commonly, the QR code itself can be entirely correct — pointing at exactly the intended URL — while the destination page has its own redirect logic that sends visitors somewhere unexpected. A landing page that was later set up to redirect elsewhere, or server-side routing rules on the destination site, can produce this. This is worth checking independently of the QR code: visit the exact encoded URL directly and see where it actually ends up, since that behavior lives on the destination side, not in the code's pattern.
The fix for all of these is the same discipline: before finalizing any print run, click or type the exact encoded URL into a browser rather than relying on a scan test alone, and confirm it's the live, permanent, intended page rather than a draft or staging version. It's also worth re-checking codes periodically after any website restructuring, since a static code has no way to adapt if the page it points to gets moved.
One more habit worth building in: whenever a website undergoes a significant redesign or URL restructuring, treat every already-printed QR code pointing at that domain as something to re-test, not just the pages you remember changing. A code that worked perfectly for months can silently break the moment a site migration changes URL patterns site-wide, and there's no notification mechanism that flags this — the only way to catch it is testing.