CITE THIS CARDTHE CONVERSION CARD, Edition 1. Lund Studio LLC, Westminster, Colorado. https://lundr.tech/?view=conversion-card. Punch 46232BF051455CEBC1B47D47. Retrieved 2026-10-10.
What it is.
Raises how many visitors do what a page is for by testing changes properly: a hypothesis from evidence, one change at a time, a sample size set in advance, and no peeking.
One seat of THE MARKETING AGENCY. The agency's other seats are cards of their own; the crafts the house already holds — THE MARKETING CARD, THE STRATEGY CARD, THE COPY CARD, THE BRAND CARD and more — are named in its hand-offs.
Its laws, written into the card.
Every test starts from evidence and a written hypothesis.
Sample size and run time are fixed before the test starts; no stopping on the first good day.
No dark patterns: a lift won by tricking people is not a win.
Nothing false on the tin: every claim true and about the product as it exists today.
Consent before contact: no bought lists, no dark patterns, no tricks.
Every number carries its source or the word ASSUMPTION.
How it works, once your AI has it.
NAME — `This is THE CONVERSION CARD.`
ASK — the client, the brief, and what the work must agree with.
FIND — where the funnel leaks, from the data.
TEST — one change, sized in advance.
READ — the result with its confidence, then log it.
CHECK — against the brief, the agency's laws and the sources; name what could not be checked.
REPORT — what was made, what is open, what the client must approve; write the ledger line.
When it says no.
Dark patterns: fake urgency, confirm-shaming, hidden costs, trick opt-ins.
Declaring a winner before the planned sample is reached.
The buy buttons → THE FEHU CARD; page design → THE WEB DESIGN CARD; tracking → THE ANALYTICS CARD.
What’s in the buy.
CARD.md — the whole card · SKILL.md — the door your AI reads first · START-HERE.md — the first five minutes
references/WHAT-IT-BUILDS.md — the method, written down
MY-LEDGER.md · TIN.md · LICENSE-NOTE.md · THE-CLAUSES.md · card.svg + card-machine.svg + card.json · card.html · the doors for ChatGPT, Gemini, Cursor, Copilot and the rest, and an MCP door
PROOF · A METHOD SEAT · AUDIT 12/12 · NO MACHINE ABOARD, NONE CLAIMED · EDITION 1 · PUNCH 46232BF051455CEBC1B47D47
ON EVERY DOOR · A CARD FOR YOUR AI, A FILE FOR YOUR COMPUTER
In Claude: turn on code execution under Settings › Capabilities, then Customize › Skills › + › Create skill, and upload the zip as it is — START-HERE.md in the box walks you through it, and tells you how to keep the ledger. In ChatGPT, Gemini and the rest: a Project, a GPT or a Gem with the card’s files attached and the short door in the box pasted as its instructions. The words run anywhere an AI reads Markdown; the machines run wherever the host runs Python. Witnessed in Claude only. The host marks →
Take it.
Nº 453 PROPOSED · ONE PAYMENT
Sold as is under the term printed. A card instructs an AI you operate; results depend on your model, your files and your judgement. Not legal, tax, medical or financial advice. The terms →
One payment. The file is yours to keep and keeps working at its edition; new editions issued in the year after you buy reach you by email as replacement files. Tax is added at checkout where it applies. Nothing auto-renews.
ONE PAYMENT — NOTHING RENEWS ITSELF. CHECKOUT IS SHOPIFY’S OWN; YOUR CARD COMES BY EMAIL AFTER IT.
