cff-version: 1.2.0 message: "If you use this dataset, please cite it as below." title: "The llms.txt corpus: ecosystem health, file contents, and the Shopify platform default" abstract: >- Raw measurement data on the llms.txt convention, collected 5 August 2026. 1,563 llms.txt files registered in the ecosystem's public directories were fetched and 19,039 of the links inside the healthy ones were validated. In parallel, 10,858 Shopify storefronts were checked for what they serve at /llms.txt. Includes one row per file, one row per validated link, one row per storefront, and the collection code. type: dataset authors: - family-names: Gerrish given-names: Jacob Ezra affiliation: SEMPITE orcid: "https://orcid.org/0009-0004-0820-2106" keywords: - llms.txt - AI search - large language models - generative engine optimization - web measurement - link rot - structured data - Shopify - ecommerce - web crawling license: CC-BY-4.0 date-released: 2026-09-20 version: "1.1.0" url: "https://sempite.com/research/llms-txt-audit/"