I read a stack of landing pages this week, and one pattern kept showing up. Not on brand-new products. On the ones that have been alive for a year or two.
Here's the shape of it. You launch with a tight one-liner. "Image converter." "Budget tracker." "Invoice tool." It's honest, it's clear, it works. Then the product grows. Customers pull it somewhere bigger than you planned. The converter becomes an editing suite. The tracker becomes a whole personal-finance system. Good problem to have.
But the landing page rarely catches up in the same motion. Instead the new stuff gets bolted onto the old hero. The headline still says the small thing, and the big thing shows up two sections down. Now the page is quietly carrying two identities at once.
The cost is subtle. A stranger doesn't scroll to reconcile the two. They take the hero at face value, file you under the old category, and leave with the wrong idea of what you've become. You did the hard part, you built the bigger thing, and the page is still selling the smaller one.
The tell: read your own headline, then read your pricing page or your changelog. If the headline describes a narrower product than the one you're actually charging for, you've drifted. The page is describing a past version of you.
The fix is not to cram both in. "The image converter that's also a full editor" reads worse than either line alone, because now the visitor has to do the work of figuring out which one you really are. Pick the identity you want to be judged as today, write the hero as that, and let the old capability live as a feature underneath. It's still there. It's just no longer the thing you lead with.
And this is where motion earns its place. A product that grew past its original category usually did so because it does something genuinely hard to capture in a static line. That's exactly the case where showing it move in the first three seconds beats another sentence. Let a stranger watch the new thing happen instead of asking them to trust a rewritten headline.
Your product moved. Make sure the first five seconds moved with it.