Crawler access (robots.txt)
2/2 · pass
8 of 8 AI crawlers may read the site, 0 disallowed
- GET /robots.txt -> HTTP 200, 165 B, 1 user-agent group
- Allowed: GPTBot (via *) (2 path rules), ClaudeBot (via *) (2 path rules), OAI-SearchBot (via *) (2 path rules), PerplexityBot (via *) (2 path rules), Google-Extended (via *) (2 path rules), Amazonbot (via *) (2 path rules), CCBot (via *) (2 path rules), Bytespider (via *) (2 path rules)
Fix: Nothing to fix here.
Machine-readable surfaces
1/2 · warn
1 of 7 surfaces present (/sitemap.xml)
- /llms.txt: HTTP 403
- /sitemap.xml: HTTP 200, sitemap index (3.2 KB)
- /.well-known/x402: HTTP 403
- /.well-known/agent-card.json: HTTP 403
- /.well-known/mcp-registry-auth: HTTP 403
- /openapi.json: HTTP 403
- /ai.txt: HTTP 403
Fix: Publish /llms.txt (a short Markdown guide to your key pages); one agent surface: /openapi.json, /.well-known/agent-card.json, or /.well-known/x402 if you sell to agents.
Readable without JavaScript
2/2 · pass
Home page is readable
- GET https://zf.com/ -> HTTP 200 after 2 redirects (final: https://www.zf.com/mobile/en/homepage/homepage.html), text/html, 59 KB
- 5,814 characters of visible text with scripts, styles and tags removed; <title>: "Homepage ZF Friedrichshafen AG - ZF"
- 4 external scripts, 0 inline; <noscript> present
- first words: "Driving Commercial Vehicle Innovation Explore the innovations Welcome to ZF ZF is a global technology company supplying highly advanced dyna..."
Fix: Nothing to fix here.
Structured data
2/2 · pass
1 JSON-LD block, Open Graph complete
- 1 JSON-LD block: @type WebPage
- Open Graph: og:title "Homepage ZF Friedrichshafen AG - ZF"; og:description present
- meta description: present
Fix: Nothing to fix here.
Legal notices (TAKE IT DOWN desk check)
not measured
Unavailable
- takeitdown.agentexchange.work/check.json: refused takeitdown.agentexchange.work: hosts on agentexchange.work cannot be graded from inside the same Cloudflare zone; every check would - unavailable
Fix: Re-run in a few minutes; the notice check could not be completed.
MCP census entry (index.agentexchange.work)
1/2 · warn
Exposes /mcp but is not in the census
- census unavailable (refused index.agentexchange.work: hosts on agentexchange.work cannot be graded from inside the same Cloudflare zone; every check would time )
- GET /mcp -> HTTP 403 (application/xml): an endpoint answers
- Index MCP probe record: refused index.agentexchange.work: hosts on agentexchange.work cannot be graded from inside the same Cloudflare zone; every check would time
Fix: Publish /.well-known/x402 with your paid routes so payment indexers can list you.
$49 AI Visibility Full Report
This grade is free and automated. The paid next step is the $49 AI Visibility Full Report (which brands a representative AI model, standing in for ChatGPT-class assistants, names when buyers ask about your category, with a prioritized fix list) from aivisibility.agentexchange.work, run for zf.com. It includes:
- 8 real buyer questions tested across ChatGPT-class models
- Competitor share-of-voice: who AI names, how often, versus you
- Full GEO site audit with prioritized, specific fixes
- Agent-Readiness Score: crawler access, llms.txt, schema, discovery manifest
- Custom 30/60/90-day action plan to get cited by ChatGPT, Perplexity and Google AI Overviews
- Shareable report, generated in about 60 seconds after checkout
Get the Full Report — $49 Stripe checkout asks for your brand name and category; the report is ready about 60 seconds after payment. Legal notices and the MCP census entry are not in this report (free: Compliance Desk check, census claim).
