Adding a Real-Photo Grade Explorer to Back Market's Product Page — Replacing 'Example Image' With What Buyers Actually Received
Hypothesis: A buyer who can see what "Fair" actually looks like, in photos from people who bought it, will stop picturing something wrecked and start weighing the real trade-off. And because the photos and the words come from Back Market's own verified reviews, the page shows what happened, not what the brand says will happen. Nothing is invented; it's just moved to where the choice gets made.
Brand of the Week

Back Market is a marketplace for refurbished tech — phones, laptops, tablets, consoles and more — pitched as up to 70% off new and better for the planet. Trust is built into the offer: a 1-year warranty, a quality inspection, and free 30-day returns. But every device still comes down to one choice, the condition grade, and that's the one thing a buyer can't hold in their hands before they buy.
Why we're testing this
With refurbished tech, the grade is the whole decision, and shoppers can't picture what "Fair" or "Good" actually looks like. So they brace for the worst — one buyer was "expecting it to be completely wrecked," and Trustpilot reviewers say the grade "exceeded my expectations." That gap between feared and real is the leak. The proof that closes it already exists in Back Market's own tagged, photo-rich reviews, just far from the picker. The primary metric we'd watch is Add to Cart rate on product pages, split by variant; we'd also track which grades buyers end up choosing (a shift toward lower grades would mean the fear is easing) and how often the gallery lightbox gets opened.
The challenge
We took a peek at Back Market's product page, and three things caught our attention.
Every condition grade is shown with a stock render labelled "Example image," not a real device. The one thing the buyer is choosing between is the one thing the page can't actually show them.
Grade meaning hides in carousel chips split across two slides, so comparing four grades takes eight clicks. Nobody does eight clicks to compare; they guess, or they leave.
Buyers expect the worst, and the proof that they're wrong is sitting too far away. One Fair buyer was "expecting it to be completely wrecked"; Trustpilot reviewers say the grade "exceeded my expectations." Every review is tagged with the grade bought, many with photos, but it all lives very low on the page, below the picker, behind a filter.
So what would we A/B test?
Control: Back Market's product page as it stands — a stock carousel with grade chips split across two slides, each grade illustrated by an "Example image" render, and the real buyer photos waiting far below the picker behind a review filter.
Variant (built in MidaGX): Swap the stock carousel for a grade explorer built from real photos by verified buyers of the selected grade, pulled live from Back Market's own reviews API. It follows the native grade picker and updates instantly on every change. Thumbnails mix six different buyers per grade, and the full gallery opens in a lightbox. Under the photo on screen sits that buyer's own review: their condition sentence, appearance rating, name and date. The header shows the grade's average appearance rating from about 30 owner reviews, and Back Market's own grade wording (Body, Screen, Battery) stays as chips. A short disclaimer notes the photos are examples for comparing grades and every device differs slightly. If data is missing, or a grade has fewer than three photos, it falls back to the native carousel.
Our hypothesis
A buyer who can see what "Fair" actually looks like, in photos from people who bought it, will stop picturing something wrecked and start weighing the real trade-off. And because the photos and the words come from Back Market's own verified reviews, the page shows what happened, not what the brand says will happen. Nothing is invented; it's just moved to where the choice gets made.
The CRO principle underneath
This is the proximity principle again, with a twist: when a decision hinges on something buyers can't verify, evidence beats description. A stock render says "trust us." A photo from someone who already bought it says "here's what I got." Back Market already had the evidence; the test is about putting it exactly where the grade gets chosen.
Want to run a test like this on your own site? Get started with Mida for free — now available even if you don't have an account with Mida.