Where the index comes from.

A research-grade ranking of the top one million domains, published by KU Leuven. Provides our long tail of established sites and feeds the visit estimate.

Public Firebase API. We surface domains linked from front-page and rising stories.

Public GitHub data. Repositories with linked homepages, plus curated awesome-* lists, contribute domains and category hints.

A rotating set of well-known RSS feeds covering tech, design, indie web, and regional publications.

Curated, openly-licensed directories of indie sites, launches, and community catalogues.

The open web index. Used to confirm a domain is reachable and to seed the long tail of newly-discovered hostnames.