So You Want to Define a Well-Known URI
dev_tools
According to web standards expert Mark Nottingham, well-known URIs provide a standardized mechanism for software to automatically discover metadata and configuration information about a web domain. By placing information at predictable paths—like dot-well-known slash acme-challenge or dot-well-known slash webfinger—applications can find critical details without prior coordination. Nottingham explores the design principles and considerations that make these endpoints effective infrastructure for security, identity federation, and service discovery across the modern web.
Source: https://mnot.net/blog/2026/well_known_uris
Listen to this story
Hear this and more stories in a personalized audio briefing.
Open The Chonkerton