Field notes

Answer-first guides for the AI-search era

Every guide here is tested on real sites before it's published - no recycled listicles. Deep, practical writing on GEO / AI search, technical SEO, and the original experiments behind getting cited by ChatGPT, Perplexity, and Google AI Overviews.

Start here

Featured guides

01 Recently published

Latest guides & studies

Study

Does llms.txt actually work? A 90-day log test

I deployed llms.txt and read the server logs for 90 days. Here is what the data - and the largest studies - actually say.

Jun 2026 · 14 min read
Technical

GPTBot vs OAI-SearchBot: the AI crawler guide

The most-confused pair in AI SEO. One is a training crawler, one gets you cited - plus every other AI bot and exactly what to allow or block.

Jun 2026 · 13 min read
GEO

How to get cited by ChatGPT: 9 tactics, with data

The Princeton-backed levers - statistics, quotes, structure, freshness - that actually move AI citations.

Jul 2026 · 14 min read
Technical

The 50-point technical GEO audit

A complete technical checklist to make a site under 500 pages fully legible to Google, Bing and the AI answer engines.

May 2026 · 16 min read
The Lab · Weekly

Get the guides before anyone else.

New field notes and studies land in the newsletter first - with the raw data behind them. Join the marketers reading The Lab.

Free forever. Unsubscribe anytime.
02 Browse by topic

Everything, grouped by pillar

Each pillar is a growing cluster. Start with the fundamentals, then go deep.

01

GEO / AI Search

Getting cited by ChatGPT, Perplexity, Gemini & AI Overviews.

Bing Copilot SEO: the easiest AI engine to crackHow to get cited by ChatGPT: 9 tactics, with data
02

Technical SEO

Schema, llms.txt, crawlers, IndexNow - the plumbing AI reads.

GPTBot vs OAI-SearchBot: the AI crawler guideThe 50-point technical GEO audit
03

Data & Studies

Original experiments and numbers you can't get elsewhere.

Zero to Cited: how a new site climbs into AI searchDoes llms.txt actually work? A 90-day log test