Innocent: pratfall effect example to copy

What to steal

If the page is missing, say so, and say whose fault it was.
Keep the admission about a real, small miss. This one is the 404 itself.

What to test next: This 404 vs a plain “page not found” with a home link. Measure who continues to a product page, and who can say afterwards that Innocent took the blame.

In plain words

Why it works

Innocent uses the pratfall effect: a small, real slip can make a capable brand more likeable (Aronson, Willerman & Floyd 1966). The page says “CONGRATULATIONS”, “you’ve just found our error 404 page” and, in red, “whose fault was this ?”. On the red band: “We’re not ones to point fingers, but it was probably ours. After all, we have a strong track record of making mistakes.” The sentence after that runs off the bottom of this crop. The fault they admit is a missing page, which is a real one. Whether the joke makes people stay is not public.

Honest nudge or dark pattern?

Honest nudge

Honest nudge: they admit a real miss, the missing page, and the copy does not blame the visitor. This crop cuts the sentence after “making mistakes.”

Sources: Captured by Nudgeswipe, 4 Nov 2026 (UK 404 page, logged out)

Context

Innocent Drinks UK, logged out, on 4 Nov 2026. The address /about returned this designed 404. No cookie banner was on the capture.

The research

The research behind it

● Limited evidence · More on pratfall effect, with sources →

Next: run it on your product

Try it on your own product

Opens your assistant with this teardown, our verdict and the steps above. It asks about your product first, then suggests tests you can run.

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You are helping me apply a behavioural-design pattern ethically.

Pattern: Innocent: Innocent’s 404 says the missing page was probably theirs
Bias: Pratfall effect: A small blunder can make a highly competent person more likeable.
Why it nudges: Innocent uses the pratfall effect: a small, real slip can make a capable brand more likeable (Aronson, Willerman & Floyd 1966). The page says “CONGRATULATIONS”, “you've just found our error 404 page” and, in red, “whose fault was this ?”. On the red band: “We're not ones to point fingers, but it was probably ours. After all, we have a strong track record of making mistakes.” The sentence after that runs off the bottom of this crop. The fault they admit is a missing page, which is a real one. Whether the joke makes people stay is not public.
Our verdict: Honest nudge. Honest nudge: they admit a real miss, the missing page, and the copy does not blame the visitor. This crop cuts the sentence after “making mistakes.”
Source page: https://nudgeswipe.com/examples/innocent-404-probably-ours/ (JSON: https://nudgeswipe.com/api/teardowns/innocent-404-probably-ours.json)

Rules: say a brand "uses" a tactic, never that it "worked"; outcomes are not public unless the company published them; no invented uplift estimates; flag mixed evidence. Honest nudge = true, visible, easy to reverse, and in the user's interest. Dark pattern = hides costs, fakes scarcity or popularity, shames, or makes leaving harder than joining. Quote company-published results as "X reports", with the source link, and don’t generalise them. Don’t cite retracted or failed-to-replicate studies as support (e.g. Ariely & Wertenbroch 2002). Don’t state study figures unless they’re on this page or in a source you can link. If an idea crosses the line, link the matching deceptive.design pattern.

Tasks:
1. Ask me for my product, the flow (URL or screenshots) and the goal.
2. Audit where this pattern already appears, or could, in that flow.
3. Propose 2-3 ethical experiments: hypothesis, variant copy or UI, primary metric, and a guardrail metric (refunds, complaints, cancellations).
4. Flag every dark-pattern risk and say how to stay on the honest side.

Grok Cursor

Grok and Cursor open with the prompt filled in. Gemini and Codex can’t take a prefilled link, so the prompt is copied and you paste it in.

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Sources

Our capture of innocentdrinks.co.uk, 4 Nov 2026
Aronson, Willerman & Floyd (1966), The effect of a pratfall on increasing interpersonal attractiveness. doi.org/10.3758/BF03342263
Captured by Nudgeswipe, 4 Nov 2026 (UK 404 page, logged out): innocentdrinks.co.uk

Innocent’s 404 says the missing page was probably theirs

5 new nudges, every Friday

Why it works

Honest nudge

The research behind it

Try it on your own product

5 new nudges, every Friday