Crawler access (robots.txt)
2/2 · pass
8 of 8 AI crawlers may read the site, 0 disallowed
- GET /robots.txt -> HTTP 200, 449 B, 11 user-agent groups
- Allowed: GPTBot, ClaudeBot, OAI-SearchBot, PerplexityBot, Google-Extended, Amazonbot (via *), CCBot, Bytespider (via *)
- Sitemap declared: https://epochcalc.com/sitemap.xml
Fix: Nothing to fix here.
Machine-readable surfaces
2/2 · pass
4 of 7 surfaces present (/llms.txt, /sitemap.xml, /.well-known/mcp-registry-auth, /ai.txt)
- /llms.txt: HTTP 200, 3.0 KB of text
- /sitemap.xml: HTTP 200, XML sitemap (20 KB)
- /.well-known/x402: HTTP 404
- /.well-known/agent-card.json: HTTP 404
- /.well-known/mcp-registry-auth: HTTP 200, 67 B of text (MCPv1 record)
- /openapi.json: HTTP 404
- /ai.txt: HTTP 200, 545 B of text
Fix: Nothing to fix here.
Readable without JavaScript
2/2 · pass
Home page is readable
- GET https://epochcalc.com/ -> HTTP 200, text/html, 66 KB
- 6,743 characters of visible text with scripts, styles and tags removed; <title>: "Epoch Calculator: Unix Timestamp, Date Math, World Clock"
- 2 external scripts, 3 inline; <noscript> absent
- first words: "Skip to main content Epoch Calculator Live epoch clock · Unix time, right now The live Unix epoch, and the math around it. A free online epo..."
Fix: Nothing to fix here.
Structured data
2/2 · pass
5 JSON-LD blocks, Open Graph complete
- 5 JSON-LD blocks: @type WebSite, Organization, HowTo, ItemList, ListItem, FAQPage, Question
- Open Graph: og:title "Epoch Calculator: Unix Timestamp, Date Math, World Clock"; 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 405 (application/json): 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 epochcalc.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).
