Website/Specification

• The Website Specification

  • Platform-agnostic, open-source specification of the technical features a good website should have. MIT licensed.

  • Normative links

    • specification.website — canonical spec site
    • github.com/jdevalk/specification.website — source repository

  • Scope

    • Eleven areas: Foundations (HTML, encoding, OG, feeds), SEO (robots.txt, sitemaps, structured data), Accessibility (contrast, ARIA, keyboard nav), Security (HTTPS, CSP, security.txt), Well-Known URIs, Agent Readiness (/llms.txt, MCP, structured data), Performance (Core Web Vitals, caching, compression), Privacy (consent, GPC, data minimization), Resilience (error pages, service workers), Internationalization (hreflang, RTL), and Project resources.

  • Maintainer

    • Joost de Valk