{"id":"ia.https","name":"HTTPS","verify":{"command":"curl -sI https://{domain}/","rescan":"isagentready results {domain} --checkpoint ia.https","expect":"A response without a TLS error"},"fix":{"steps":[{"action":"Install a valid TLS certificate, for example from Let's Encrypt.","order":1,"language":null,"code_example":null},{"action":"Redirect all HTTP requests to HTTPS with a 301.","order":2,"language":"nginx","code_example":"server {\n  listen 80;\n  return 301 https://$host$request_uri;\n}"}],"summary":"Serve the site over HTTPS with a valid certificate and redirect HTTP to HTTPS.","skill":{"name":"security-trust","anchor":"ia.https"}},"category":"security","aggregate":null,"references":[{"title":"Let's Encrypt","kind":"guide","url":"https://letsencrypt.org/"},{"title":"Why HTTPS Matters","kind":"guide","url":"https://web.dev/articles/why-https-matters"}],"stage":"read","lifecycle":{"introduced":"2026-08-24","revised":[],"retired":null,"replaced_by":null},"methodology_version":"2026-10-22","evidence_tier":"standard","evidence_source":{"title":"Let's Encrypt","url":"https://letsencrypt.org/"},"why":"HTTPS is the baseline for secure communication. AI agents and crawlers refuse to interact with insecure sites, and browsers mark HTTP sites as unsafe.","profiles":["browser_agent_usability","api_tool_readiness","agentic_commerce"],"score_role":"core","legacy_id":"5.1","i18n":{"nl":{"name":"HTTPS","steps":["Installeer een geldig TLS-certificaat, bijvoorbeeld van Let's Encrypt.","Stuur alle HTTP-requests met een 301 door naar HTTPS."],"why":"HTTPS is de basis voor veilige communicatie. AI-agents en crawlers mijden onveilige sites, en browsers markeren HTTP-sites als onveilig.","fix_summary":"Lever de site via HTTPS met een geldig certificaat en stuur HTTP door naar HTTPS.","verify_expect":"Een antwoord zonder TLS-fout"}},"ar_practice_ids":[],"strength":"MUST","ar_mapping":"none","evidence_type":"recommendation","detail_url":"https://isagentready.com/en/methodology/checkpoints/ia.https","maturity":"essential","applicability":{"mode":"always","condition":null,"surfaces":["website"]}}