The Newsletter

The E-Commerce Director's Cut

Practical, opinionated writing on experimentation, personalization, and Revenue Per Visitor. Read by Directors of E-Commerce at brands doing $5M–$100M.

May 20, 2026 Justin Aronstein

Your Product Recommendation Slider Is Lying to You

Product recommendation sliders are the wrong tool for the job. Here's why category-routing beats single-item guessing, and the 4.5% RPV lift to prove it.

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May 13, 2026 Justin Aronstein

Your Customers Don't Care About Your Features (Even When They Tell You They Do)

Customers buy outcomes, not features. Here's the simple PDP test we run with clients and how to find the outcome language already sitting in your post-purchase survey.

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May 6, 2026 Justin Aronstein

How to start running tests today with the help of AI

A step-by-step playbook for building an evidence-backed experimentation program using Claude, Microsoft Clarity, GA4, and customer voice — no agency required.

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April 29, 2026 Justin Aronstein

Why Your $200K Personalization Platform Isn't Moving RPV

A walk through the 7 types of on-site personalization, the failure mode of each, and why almost every brand skips the layer that matters most.

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April 15, 2026 Justin Aronstein

How to Use Experts to Build Community

BPN didn't try to build a community for everyone. They built an event for the experts and let everyone else watch. Here's what that looks like and how to replicate it.

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April 8, 2026 Justin Aronstein

Stop Personalizing. Start Being Relevant.

Why 'personalization' is the wrong goal -- and how content relevance is the metric that actually moves revenue.

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April 2, 2026 Justin Aronstein

Your Ads Made a Promise. Your Landing Page Broke It.

All of that beautiful, segmented, persona-matched creative is driving traffic to the exact same landing page. And it's costing you 20% of your revenue per visitor.

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March 26, 2026 Justin Aronstein

Directors of E-Commerce Don't Get Fired for Missing Revenue. They Get Fired for Not Managing Up.

Six practical habits that keep Directors of E-Commerce employed: weekly Slack updates, pre-announcing bad news, and building a win inventory before you need it.

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March 19, 2026 Justin Aronstein

The Friction Playbook Is Broken. Here's What Replaced It.

Removing friction stopped working. Here's why the demand capture era is over — and what the brands actually growing right now are doing differently.

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March 12, 2026 Justin Aronstein

The Top 7 Ways to Use Personalization on Your Site, Right Now

Seven high-leverage personalization tactics for Shopify brands ready to move beyond friction reduction and into demand generation.

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March 5, 2026 Justin Aronstein

The Four Things Standing Between Your Traffic and Your Revenue.

The four conversion killers showing up on almost every e-commerce site doing $10M–$100M, and the specific fix for each.

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February 26, 2026 Justin Aronstein

How E-commerce Directors Should Actually Be Using AI Right Now

Three practical ways e-commerce directors should actually be using AI right now — without building custom software or managing technical debt.

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February 18, 2026 Justin Aronstein

Your Offer Sucks. Stop Obsessing Over Friction.

Low conversion isn’t a friction problem. It’s an offer problem. Here’s how to fix it.

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February 12, 2026 Justin Aronstein

How to Prioritize Experiments

If you’re running a brand doing $20M or $50M, you know the drill.

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February 5, 2026 Justin Aronstein

The 6 Advanced E-commerce Reports To Build a $100M Brand

If you’re running an e-commerce brand doing $5M, $20M, or $80M, I’m going to tell you something your Facebook ads agency won’t: Your ROAS is lying to you.It’s the great industry secret.

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January 29, 2026 Justin Aronstein

How to steal budget for an experimentation program(me) and look like a genius

I love words that are spelled differently in British English and American English.

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January 21, 2026 Justin Aronstein

Stop Building Online Vending Machines

Almost every e-commerce sites doing between $10M and $100M are basically just high-resolution vending machines.You know the look.

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January 14, 2026 Justin Aronstein

How to Keep Your E-Com Director Job (And Maybe Get Promoted) in 2026

Here we are in 2026, and the game has changed again.

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January 8, 2026 Justin Aronstein

The Great E-Commerce Hypocrisy: Why You Treat Your Ads Like Science and Your Site Like a Guessing Game

I know what your week looks like.You are absolutely grinding on customer acquisition.

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December 11, 2025 Justin Aronstein

The E-commerce Playbook is Broken. Here’s the 2026 Reality.

Seven headwinds hitting e-commerce teams in 2026 — and the one organizational gap that makes all of them worse.

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November 20, 2025 Justin Aronstein

The View to Buy Report: The One Report That Will Save Your BFCM Week

Insights that Guide YouAre you struggling to pinpoint where to focus?

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November 13, 2025 Justin Aronstein

Your Most Valuable E-Commerce Customers Are Not Who You Think They Are

Customer File SegmentationEmail me your customer file.

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November 6, 2025 Justin Aronstein

The Ultimate E-Commerce Profitability Model

Customer File SegmentationSend me an export of your customer file and I’ll find your best customers in a matter of hours.

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October 30, 2025 Justin Aronstein

The Higher the Price, the Longer the Relationship

There’s a direct relationship between how expensive your product is and how long it takes someone to buy it.

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October 23, 2025 Justin Aronstein

Every Shopper Lands On Your PDP With a To-Do List

E-commerce Therapy?Need to talk to someone about how hard it is to be an e-commerce director, the useless discounts you’re setting up, and creating another landing page?

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October 16, 2025 Justin Aronstein

Our Process for Compounding Revenue Without Increasing Traffic

Every e-commerce team thinks they have a traffic problem.

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October 9, 2025 Justin Aronstein

The Hierarchy of E-Commerce Insights

No one teaches e-commerce teams how to find insights that actually grow a business.

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September 10, 2025 Justin Aronstein

Why Your Header is Too Big

AI can predict a customer’s next click, generate endless content, and optimize ad spend in seconds.

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September 4, 2025 Justin Aronstein

When Your Customers Only Want One Thing

AI can predict a customer’s next click, generate endless content, and optimize ad spend in seconds.

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August 28, 2025 Jonathan Silverstein

Talk to Customers...Like Your Business Depended on It

“AI can predict a customer’s next click, generate endless content, and optimize ad spend in seconds.”

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August 19, 2025 Jonathan Silverstein

The Smartest Online Businesses Still Rely on Human Insight

AI can predict a customer’s next click, generate endless content, and optimize ad spend in seconds.

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