
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 | Pricing | Freemium | Publishes | Twice weekly | |
|---|---|---|---|---|---|
| Issues | 30 | Founded | 4 months ago | Last Issue | 8 days ago |
| Active | |||||

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...
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...
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...
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?
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.
Subscribers, engagement, traffic and sponsorship for Design Proof.
| Subscribers | Engagement | 73 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
How this newsletter ranks in the official Substack charts.
| #68 | |
| #91 |
The writers behind this newsletter.
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
You can find recent issues that have been published by Design Proof on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.
To see how many people subscribe to Design Proof, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.
Newsletter advertising can be extremely effective when it's done right. Before you pitch Design Proof as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.
Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.
Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.
To find out how much an ad will cost, contact Design Proof using the contact information provided and ask for a copy of their media kit.
Scroll up to where it says Related Newsletters to see other publications like Design Proof. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.
Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.