Sonno: Research + 10 tests designed | CRO Tactic
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Sonno

Product page

Research + 10 tests designed

Sonno: site research and a ten-test mattress roadmap

A page-by-page teardown of a handmade UK mattress store, turned into ten ranked A/B tests with mock-ups. No called winning lift is on file.

RPV lift

CVR lift

Test duration

Research and design, 2025–2026

Industry

Handmade UK mattresses

Before vs after

Control vs Variant

Control

Control version of the tested page

Price · before. The extra 15% is promised at checkout, not in the price.

Variant

Variant version of the tested page

Price · after. The final price, with the extra 15% already taken off.

Hypothesis

What we expected to happen

If the real price, the trial and warranty, and a delivery date sit next to the buy button, fewer shoppers will leave a high-ticket mattress page in doubt.

What we changed

The change in detail

  • Ten ranked tests, including: trial and warranty in one line under Add to basket; the final price with the extra 15% already taken off; a real delivery date under the button and in the cart; stars and short reviews in the buy zone; mattress cards that stand apart; a “Sonno vs a mattress in a box” comparison; size tiles with full prices and a firmness guide; and swapping the cart countdown for reassurance.
  • Mobile-menu directions: a visual category grid with Trustpilot proof, and a New & Trending product row with prices and USP icons.
  • Earlier, in 2025, a cart drawer vs cart page test was also designed.

Results

What the test showed

The work in our sources is the research, the ranked roadmap and the mock-ups. No called winning lift is on file for Sonno, so this case study shows the work itself.

Analogies in the deck to other brands’ test lifts are not treated as Sonno results.

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