Guide
You spent the hook getting the click. The hero decides whether the click stays. It's the second attention gate — and most people ship it on instinct, then blame the ad when traffic bounces.
The hero is everything visible before a scroll: headline, hero image or video, and the primary button. A visitor arrives with momentum from your ad and gives the page a fraction of a second to confirm they're in the right place. If the hero image is busy, off-message, or buries the value, that momentum dies — and a bounce on a click you paid for is more expensive than a swipe past a free impression. The same attention logic that governs a video ad thumbnail applies here: one frame has to do the work.
The default advice is to A/B test it: ship two heroes, split live traffic, wait for significance. That works, but it needs real volume and real time, and you're paying for the losing variant's clicks the whole time. For a new page with thin traffic, you may wait weeks for a result — and you can only run a couple of versions at once. It's the same trade-off covered in pre-testing vs. A/B testing: live tests are ground truth, but they're expensive to use as your only filter.
The hero image and headline are static creative — which means you can screen them the same way you'd screen a display ad. PreTestAds accepts static images (JPG, PNG, WebP) and predicts where attention concentrates in the frame, so you can compare hero versions before sending a single click. Does the eye go to the product and the headline, or to the stock-photo background? Is the button in the path of attention or off in dead space? You get a read in minutes instead of waiting out a live split.
Don't test ten things at once. The highest-leverage variables in a hero are the headline (benefit vs. feature vs. curiosity), the hero visual (product-in-use vs. lifestyle vs. plain pack shot), and visual hierarchy (does anything compete with the headline and button for the first look?). Make three genuinely different versions rather than three near-identical ones — small tweaks produce small, inconclusive differences whether you test them live or predict them.
The single cheapest win is continuity. If the ad promised a specific outcome with a specific look, the hero should echo both — same message, same visual language. When the hero feels like a different campaign, visitors assume they misclicked and leave. That mismatch is one of the quiet reasons traffic converts poorly even when the ad is strong, which is worth pairing with why ads don't convert. Pre-testing both the ad and the hero against the same attention standard keeps them honest with each other.
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