[fx-block-rendering block-id=”3df43960-a7ed-4d68-b27a-1138e36bb02a”] Agentic Resource Discovery (ARD) is an open specification for helping AI agents find external tools and services on the web, and Google’s Lighthouse just added an audit for it. That audit landed in Lighthouse 13.5 on September 18, 2026, which quietly moved a […]