FYI: Joost de Valk's website spec: 128 rules to future-proof your site: The Website Specification: 128 topics across 10 areas - from HTML doctype to AI agent readiness, MCP servers, security headers, and Core Web Vitals checks. https://ppc.land/joost-de-valks-website-spec-128-rules-to-future-proof-your-site/ #WebsiteOptimization #CoreWebVitals #AIAgentReadiness #WebDevelopment #SecurityHeaders