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Design Proof

Daniela Bolzmann
Tens of paid subscribers

I built a 7-figure Amazon creative agency working with 850+ brands. We've run 1,300+ split tests. I'm publishing everything we learned.

Platform
Substack
PricingFreemiumPublishesTwice weekly
Issues30Founded4 months agoLast Issue8 days ago
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designproof.substack.com
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Latest Issues

Why great ecommerce brands have bad Amazon listings.

And the six things they already do right on their own site.

Earlier this year, I went full nerd and did something I’d been wanting to do for years. I used Claude to analyze 900+ PickFu split testing polls (now 991) from 34,000 respondents...

8 days ago
9
Paid

A client just saw a 19% sales increase from one image.

Here is the method we used to get there.

A little context: Earlier this year, I went full nerd and did something I’d been wanting to do for years. I used Claude to analyze 900+ PickFu split testing polls (now 1038+) from 34K (now 38K+) res...

12 days ago
8
Paid

7 brands asked me why shoppers won’t pay more.

Everyone blames the main image.

A little context: Earlier this year, I went full nerd and did something I’d been wanting to do for years. I used Claude to analyze 900+ PickFu split testing polls (now 1038+) from 34K (now 38K+) respondents...

14 days ago
4
Paid

8 things that go wrong when you split test on Amazon

and why not one of them is a failure

Maybe it’s the confidence, maybe it’s the optimism, but almost nobody plans for their split test to go wrong, myself included. We all plan for the winner, right?

19 days ago
6
Paid

Our split testing process breaks most of the rules you have been taught

Hot Take: we ignore statistical significance

I was on a call last week and a client mentioned, kind of proudly, that he had tested his main image against 500 shoppers. Maybe 900, he wasn’t sure. A big number either way.

24 days ago
7
Paid

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  • Daniela Bolzmann

    I built a 7-figure Amazon creative agency working with 850+ brands. We’ve run 1,300+ split tests. I’m publishing everything we learn at mindfulgoods.co

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