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.
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.
AI Crawler Policy Tracker
A living dataset tracking how leading news, publishing, retail, and technology sites configure robots.txt for major AI crawlers.
Google Ads Cost Index
A living dataset tracking average cost per click for a fixed basket of high-intent commercial keywords across ten industries.
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.