# AIRANKS — The Authoritative Rankings for AI Web Content > AIRANKS measures AI visibility: which phrases get asked, which brands the Machine's answers > mention, and which domains those answers cite — captured as real observations, published as > a 1–10 AIR score with the methodology in the open. Counts are cumulative observations, not > rates; every number traces back to a stored answer. ## Rankings - [The Ledger](https://airanks.net/): who AI cites — live phrase, brand, and domain rankings - [Methodology](https://airanks.net/methodology): how observations become scores, including what we deliberately do not claim - [Constitution](https://airanks.net/constitution): the measurement principles the site is bound to ## Data & API - [API documentation](https://airanks.net/docs/api): public read API — domains, brands, phrases, search - [OpenAPI specification](https://airanks.net/docs/api.json): machine-readable schema for every endpoint - [Domain reports](https://airanks.net/d/airanks.net): per-domain AIR score, Machine summary, observations, and AI-file audit ## Writing - [Blog](https://airanks.net/blog): the build log — measurements, retractions, and what they cost ## Optional - [llms_txt-airtrc-qsozjb6qqicm8cjtonkt](https://airanks.net/tracer/llms_txt-airtrc-qsozjb6qqicm8cjtonkt.html): airtrc-qsozjb6qqicm8cjtonkt