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Measured AI-search research, and notes from practice

Data studies from our AI Visibility Index measurement runs, methodology notes on measuring AI visibility properly, and practice notes on what actually moves AI recommendations for developer tools. Every claim is backed by a measured run — no hype, no invented numbers.

Start here

Guide

What is Answer Engine Optimization (AEO)?

Definition, how it differs from SEO, and what actually moves the needle.

Comparison

Best AEO tools for developer tools (2026, tested)

An honest, methodology-backed comparison.

Data

The AI Visibility Index

The measured leaderboards our data studies start from — who AI engines actually recommend, by category. Each category page offers Index Pulse, a monthly movers email.

Latest posts

Data study

We asked 5 AI engines for the best observability tool. They disagreed.

Ask five AI engines for the best observability tool and you get five different shortlists. Here's the measured share-of-model data and why it happens.

2026-06-24

Methodology

Why one ChatGPT screenshot doesn't prove your AI visibility

AI answers are non-deterministic: ask the same question twice and the names can change. Here's why one screenshot is noise and how to measure properly.

2026-06-14

2 posts published so far — each one built on measured engine runs, not takes. We publish when the data says something, not on a content calendar.

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