Field Notes

Practical notes on search, speed, and paid media.

The systems and operating details behind AI search, web performance, and attribution — written for the people doing the work.

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Long-form playbooks: 4
Disciplines covered: 3
Current revision: 2026
Sponsored posts: 0

Featured Playbook

Start with the category shift.

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GEO & AEOOct 14, 202612 min read

The GEO/AEO playbook: how to become the cited answer in ChatGPT, Perplexity, and Google AI Overviews.

A practical operating model for AI search visibility — prompt mapping, entity architecture, citation-ready content, and the metrics that actually predict pipeline.

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Inside the playbook

Prompt mapping across ChatGPT, Perplexity, and AI Overviews
Entity architecture that survives model updates
Citation-ready page structure and measurement

Metaplaxio Research
Growth engineering desk

Latest Field Notes

The mechanics behind the numbers.

No trends, no predictions. Just the engineering decisions and operating cadences that changed a metric we were accountable for.

Web Engineering8 min read

Why 650ms TTFB is a paid media lever, not a vanity metric.

The direct line between Core Web Vitals, ad Quality Score, landing page conversion, and the cost of acquiring your next customer.

Sep 30, 2026Read

Attribution10 min read

Server-side attribution: rebuilding 98% signal in a cookieless world.

How Meta CAPI, Google Enhanced Conversions, event deduplication, and CRM offline conversions restore the truth your ad platforms need.

Sep 12, 2026Read

GEO & AEO7 min read

llms.txt, explained: a practical implementation guide for marketing teams.

What the file does, what it does not do, and how to structure one that AI crawlers can actually parse — with a production-ready template.

Aug 26, 2026Read

By Discipline

Follow the system, not the feed.

Each note maps to one of the three services we offer. Start where your constraint is.

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GEO & AEO

How AI engines retrieve, evaluate, and cite brands — and the entity work that earns the citation.

2 notes

Web Engineering

Page speed, Core Web Vitals, and the delivery layer that decides whether paid traffic converts.

1 note

Attribution

Server-side tracking, consent, deduplication, and the CRM truth behind reported ROAS.

1 note

Editorial Standards

Why this reads differently.

Written by the people doing the work

Every field note comes out of an active engagement or an internal benchmark. No ghostwritten listicles, no recycled vendor talking points.

Numbers have a source

When we cite a performance figure, it is tied to a client engagement and reconciled against CRM or server-side telemetry. Where the sample is small, we say so.

Updated when the engines change

AI search changes monthly. We revisit the playbooks, mark the revision date, and correct anything that stopped being true.

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