Validate Last-Modified header [fail]! No valid Last-Modified HTTP header was found.INFOValidate Last-Modified headerINFOReading Last-Modified response headerFAILCheck Last-Modified header is present and parseable actual="missing" expected="valid" alternateDates=[]FAILLast-Modified header is missing or invalidValidate structured freshness dates [fail]! No Schema.org freshness dates were found.INFOValidate structured freshness datesINFOCollecting Schema.org freshness dates from JSON-LD, Microdata, and RDFaFAILCheck structured freshness date count actual=0 expected="> 0" invalidDateCount=0 formats={} alternateDates=[]FAILNo structured freshness dates foundValidate metadata freshness dates [fail]! No Open Graph, Dublin Core, or generic meta freshness date was found.INFOValidate metadata freshness datesINFOCollecting Open Graph, Dublin Core, and generic meta freshness datesFAILCheck metadata freshness date count actual=0 expected="> 0" metaDateCount=0 invalidDateCount=0 alternateDates=[]FAILNo metadata freshness dates foundCorroborate with sitemap lastmod [warning]INFOCorroborate with sitemap lastmodINFODiscovering sitemap candidates and matching the scanned page URL candidateCount=2 attempts=2WARNCheck matching sitemap lastmod actual="invalid match" expected="valid match when available" sitemapUrl="https://onlinephp.io/sitemap.xml" robotsStatusCode=200WARNNo matching sitemap lastmod found after sitemap attempts attempts=2

Discover agents.json [warning]! agents.json was found only at the fallback /agents.json path.INFODiscover agents.jsonINFOTry agents.json discovery paths in priority order paths=["/.well-known/agents.json","/agents.json"]WARNagents.json candidate path did not return a usable contract path="/.well-known/agents.json" statusCode=404 contentType="text/html; charset=utf-8"PASSFound an agents.json candidate path="/agents.json" statusCode=200 contentType="text/html; charset=utf-8" bytes=8682WARNSelected fallback agents.json location path="/agents.json" requestedUrl="https://onlinephp.io/agents.json"WARNagents.json was found only at the fallback /agents.json path.Validate Wildcard schema shape [fail]! agents.json response is not valid JSON.INFOValidate Wildcard schema shapeINFOParse agents.json and classify contract shape shape="unknown"FAILCompare contract shape actual="unknown" expected="wildcard"FAILCompare missing required schema fields actual="none" expected="none"FAILCompare Content-Type with JSON expectation actual=false expected=trueFAILagents.json response is not valid JSON.Validate API actions [fail]! Wildcard agents.json must include valid OpenAPI-derived action or operation definitions.INFOValidate API actionsFAILCompare API action count actual=0 expected="> 0"FAILCompare invalid action definitions actual=0 expected=0FAILWildcard agents.json must include valid OpenAPI-derived action or operation definitions.Validate flows and links [fail]! No executable flows were found.INFOValidate flows and linksFAILCompare workflow flow count actual=0 expected="> 0"FAILCompare operation link issues actual=0 expected=0FAILNo executable flows were found.Review examples and LLM usability [warning]! Examples or descriptions are too thin for reliable agent argument generation.INFOReview examples and LLM usabilityWARNCompare usable example count actual=0 expected="> 0 when actions are present"WARNExamples or descriptions are too thin for reliable agent argument generation.

Discover A2A Agent Card [warning]! The A2A Agent Card was found at a legacy or fallback path.INFODiscover A2A Agent CardINFOTry A2A discovery paths in priority order paths=["/.well-known/agent-card.json","/.well-known/agent.json","/agent-card.json","/.well-known/a2a/agent-card.json"]WARNA2A candidate path did not return a usable card path="/.well-known/agent-card.json" statusCode=404 contentType="text/html; charset=utf-8"WARNA2A candidate path did not return a usable card path="/.well-known/agent.json" statusCode=404 contentType="text/html; charset=utf-8"PASSFound an A2A candidate path="/agent-card.json" statusCode=200 contentType="text/html; charset=utf-8" bytes=8682WARNA2A candidate path did not return a usable card path="/.well-known/a2a/agent-card.json" statusCode=404 contentType="text/html; charset=utf-8"WARNSelected non-canonical A2A Agent Card path="/agent-card.json" pathClass="fallback" requestedUrl="https://onlinephp.io/agent-card.json"WARNThe A2A Agent Card was found at a legacy or fallback path.Detect A2A card version [fail]! The discovered JSON document does not match a supported A2A Agent Card version family.INFODetect A2A card versionINFORead version indicators from the card detectionEvidence=[]FAILCompare detected A2A version family actual="unknown" expected="v0.1, v0.2, v0.3, or v1"FAILThe discovered JSON document does not match a supported A2A Agent Card version family.Validate version-specific card shape [fail]! A2A Agent Card response is not valid JSON.INFOValidate version-specific card shapeFAILCompare missing required card fields actual="none" expected="none"FAILCheck every declared A2A skill has required name, description, and endpoint fields actual=0 expected=0 invalidSkills=[]INFOReview declared endpoint interfaces interfaces=[]FAILA2A Agent Card response is not valid JSON.Validate HTTP delivery [warning]! The card was parseable JSON but was not served with a JSON-compatible content type.INFOValidate HTTP deliveryWARNCompare card Content-Type with JSON expectation actual="text/html; charset=utf-8" expected="application/json or +json"INFOReview selected discovery path path="/agent-card.json" pathClass="fallback"WARNHTTP delivery/path warning warning="card was found only at a non-standard fallback path"WARNThe card was parseable JSON but was not served with a JSON-compatible content type.Probe same-origin A2A endpoint [warning]! A2A endpoint probing was skipped because the endpoint was cross-origin, unavailable from the card, or uses an unsupported binding.INFOProbe same-origin A2A endpointINFOProbe same-origin A2A endpoint when scanner policy allows itSKIPSkipped endpoint probe reason="No valid A2A card was available to probe."WARNA2A endpoint probing was skipped because the endpoint was cross-origin, unavailable from the card, or uses an unsupported binding.