# Design Proof

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.

Page: <https://rssamplifier.com/designproof-substack-com>  
Feed: <https://rssamplifier.com/designproof-substack-com.md>

---

## [Amazon still hasn’t added a disclaimer to your images. Avoid a $1,000 fee by using this free tool.](https://designproof.substack.com/p/amazon-still-hasnt-added-a-disclaimer)

_2026-08-17 · Daniela Bolzmann_

I built this tool to help you add disclaimers to your images.

## [Roundup: 3 Big Amazon changes in 6 weeks.](https://designproof.substack.com/p/roundup-3-big-amazon-changes-in-6)

_2026-08-13 · Daniela Bolzmann_

The AI disclosure rule, the 75 character title cap, and the storefront AI tool that grades your own pages. Here’s what actually changed.

## [I put Amazon’s storefront AI and Claude in the same room. They disagreed, and that’s where the money was.](https://designproof.substack.com/p/i-put-amazons-storefront-ai-and-claude)

_2026-08-11 · Daniela Bolzmann_

I’ve been digging client accounts to find out whether we should be chasing dwell time. I found a list of fixes that needed no design at all, and a step by step audit anyone can run.

## [The cool kids in every category are adopting this design trend.](https://designproof.substack.com/p/the-cool-kids-in-every-category-are)

_2026-08-06 · Daniela Bolzmann_

The clinical, science-driven aesthetic started in beauty and it's showing up in pet and supplements now. Some of it is doing real work on conversion, one piece is not.

## [Our best performing A+ module is also the worst one to lead with.](https://designproof.substack.com/p/our-best-performing-a-module-is-also)

_2026-08-03 · Daniela Bolzmann_

The opening that wins isn’t the scroll stopper or the informative one. It’s the one almost nobody thinks to build.

## [I ran a brand I’ve used for five years through our new listing grader. It tied with its own knockoff.](https://designproof.substack.com/p/a-dupe-scored-exactly-the-same-as)

_2026-07-29 · Daniela Bolzmann_

We built a tool that grades an Amazon listing against our own library of 1,000+ shopper tests. I pointed it at a brand I love, put its closest lookalike beside it, and rebuilt the listing in the order

## [Amazon Just Gave Every Brand Access to Data I’ve Only Seen Inside Their Certification Program](https://designproof.substack.com/p/amazon-just-gave-every-brand-access)

_2026-07-23 · Daniela Bolzmann_

A new AI tool inside the Storefront builder is quietly handing out benchmark data Amazon used to keep behind closed doors.

## [I asked a friend to roast three supplement bottles. He found the same mistake on all three.](https://designproof.substack.com/p/i-asked-a-friend-to-roast-three-supplement)

_2026-07-21 · Daniela Bolzmann_

Max Sigurdson-Scott (Selling From the Beach) on why ALL CAPS packaging text is quietly costing you the click, plus what our own testing says about it.

## [They thought his couscous was a milk](https://designproof.substack.com/p/your-packaging-has-one-job-on-the)

_2026-07-16 · Daniela Bolzmann_

Last month, I went full nerd and did something I’d been wanting to do for years.

## [Browse ThreatCrush Modules (Sponsored)](https://crawlproof.com/a/rBY3AvXq416N)

_2026-07-16 · **Sponsored**_

Install community-built security modules to extend real-time threat intelligence and monitoring

## [Split testing puts you ahead of almost every brand on Amazon. It still won't catch this.](https://designproof.substack.com/p/most-brands-and-agencies-dont-test)

_2026-07-14 · Daniela Bolzmann_

If you’re already split testing, you’re ahead of almost everyone. Here’s the check even testers skip.

