Launching ![rw-book-cover](https://pbs.twimg.com/profile_images/1543220311759458306/XM1FPZj7.jpg) 🔗 **Source:** [Launching](https://twitter.com/jdevalk/status/2060343048672821361/?rw_tt_thread=True) Launching [specification.website](http://specification.website). A platform-agnostic spec of what a good website does: SEO, accessibility, security, agent-readiness, performance, privacy, i18n. Every claim cites a source. Ships with a checklist, llms.txt, MCP server, and Agent Skill. Free. Open Source., Launching, Joost de Valk, 01kst5atwzg391tqjhss2f6etz.