Really Simple Licensing

Really Simple Licensing (RSL) is an open content licensing standard that allows web publishers to set terms for web crawlers gathering training data for generative AI use. It was launched on September 10, 2025 and is managed by the nonprofit RSL Collective, co-founded by RSS co-creator Eckart Walther and former Ask.com CEO Doug Leeds. Participating companies at launch include Reddit, Yahoo, and Medium.^[1][2][3]

Really Simple Licensing
Abbreviation	RSL
First published	September 10, 2025 (2025-09-10)
Organization	RSL Collective
Website	rslstandard.org

Publishers can implement the RSL standard by adding licensing terms to their robots.txt files.^[4]

See also

• robots.txt