Research data

Open datasets with visible methods.

Independent, living datasets created from public information. Each publication includes its method, limitations, machine-readable data, and standard citation formats.

Open dataset

AI Overviews Tracker

A living dataset measuring how often Google shows an AI Overview across a fixed set of everyday searches and which domains those AI Overviews cite.

Published 2026-07-16
Open dataset

AI Crawler Policy Tracker

A living dataset tracking how leading news, publishing, retail, and technology sites configure robots.txt for major AI crawlers.

Published 2026-07-16
Open dataset

Google Ads Cost Index

A living dataset tracking average cost per click for a fixed basket of high-intent commercial keywords across ten industries.

Published 2026-07-16
Catalog formats

Machine-readable research catalog

The complete catalog is available as Schema.org JSON-LD and W3C DCAT Turtle for research tools, data catalogs, and citation systems.