Is 21cn.com agent ready?
21cn.com is not yet agent ready: it scores 16/100 (grade F) on the w2agent rubric. Weakest areas: Agent Auth (0), Agent Discovery (0), Agent Protocols (0), Structured Data (0), Bot Accessibility (29), Content Quality (37).
Changed since last check
No change in score since the previous check (2026-10-14)
Category scores
Technical
58
Agent Auth
0
Agent Discovery
0
Agent Protocols
0
Content Quality
37
Structured Data
0
Bot Accessibility
29
Agent protocol panel
- A2A agent cardNot found
- OAuth discoveryNot measured
- MCP discoveryNot found
- llms.txt validityNot measured
Check results
Bot Accessibility
- ~No error status codespartial
- ✗Response timefail
- ✗XML sitemap existsfail
- ✓AI agent accesspass
- ?Edge treatment of agent user-agentstracked, not scorederror
- ✗robots.txt existsfail
- ✗Content negotiation (Markdown)fail
- —Declared AI usage preferencestracked, not scoredskip
Structured Data
- ✗OpenGraph meta tagsfail
- ✗Semantic HTML elementsfail
- ✗Appropriate Schema.org typefail
- —JSON-LD validskip
- ✗Heading hierarchyfail
- ✗Schema.org JSON-LD presentfail
- ✗Schema.org completenessfail
Content Quality
- ✗FAQ contentfail
- ✗Answer-first contentfail
- ✓Content lengthpass
- ✓Token efficiency (HTML-to-text ratio)pass
- ✗Freshness signalsfail
- ✗Author attributionfail
- ✓Citation readinesspass
- ✗Lists and tables for structured infofail
Agent Discovery
- —llms.txt follows specskip
- ✗llms.txt existsfail
- —MCP server cardtracked, not scoredskip
- ✗Markdown alternate linksfail
- ✗/.well-known/agent-card.jsonfail
- —llms.txt links resolveskip
Agent Protocols
- ✗Discoverable API endpointsfail
- ✗MCP endpointfail
- ✗Action schemasfail
- —/.well-known/ucpskip
- —Structured formsskip
- —WebMCP imperative APItracked, not scoredskip
- —WebMCP declarative APItracked, not scoredskip
- ✗Reachable as Google-Agentfail
- ✗Reachable as ChatGPT-Userfail
- ✗Reachable as Perplexity-Userfail
Agent Auth
- —MCP authorization (401 challenge → protected resource metadata)skip
- —PKCE S256 supportskip
- ✗Public API surfacefail
- —Client ID Metadata Documents (bonus)skip
- —OpenAPI specificationskip
- —Agent/bot auth documentationskip
- —OAuth discovery chain (RFC 9728 → RFC 8414)skip
- —Developer portalskip
- —Scoped API permissionsskip
- —API catalog (RFC 9727)skip
- —Agent operator signing directorytracked, not scoredskip
Technical
- ✓HTTPSpass
- ✓UTF-8 charsetpass
- ✗Canonical URLsfail
- ✗Mobile viewportfail
- ✓Content accessible without JSpass
- ✗Security headersfail
Score history
- 16/100 · rubric v3.0
- 16/100 · rubric v3.0
- 17/100 · rubric v3.0
- 16/100 · rubric v3.0
- 22/100 · rubric v2.0
- 22/100 · rubric v2.0
- 21/100 · rubric v2.0
- 21/100 · rubric v2.0