isitdown.io

scanned 7/20/2026, 7:18:04 PM · fresh · rubric 2026.07.1

Needs work

This is how AI agents (not browsers) experience isitdown.io. The score weights five categories of machine-readability; the ticks on the arc are the 30 individual checks behind it.

Discoverability

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Top fixes

warnllms.txt presentDiscoverability

Found /llms.txt but missing H1 header and markdown links.

Fix: Publish /llms.txt at your domain root. Build a spec-compliant one at /tools/llms-txt-generator.

failLink response headersDiscoverability

No HTTP Link: response headers. Emit canonical/alternate/describedby relations so HEAD-only or stream-rendering agents get them without parsing HTML.

Fix: Emit `Link:` headers for canonical, alternate-language, and describedby relations. Agents that fetch HEAD-only or stream-render rely on these.

failText-to-markup ratioReadability

Visible text is 1.8% of HTML weight (2679/146464 bytes). Low. Markup may be crowding out agent-usable text.

Fix: Heavy ad or navigation markup crowds out agent-usable text. Aim for a text-to-DOM ratio above 15%.

warnPage titleReadability

<title> is 84 characters; keep it under 70 so it isn't truncated.

Fix: Add a concise <title> tag. Agents often cite it verbatim.

warnMeta descriptionReadability

Meta description is 203 characters; aim for 50–200 so it's neither thin nor truncated.

Fix: Add `<meta name="description" content="...">` to your primary pages. Agents frequently use it as a summary.

warnStructured data validatesStructured data

5 recommended-field warning(s). First: Missing or non-standard @context.

Fix: Validate your JSON-LD with Google Rich Results test. Fix missing required properties.

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Fix it

Generated, ready-to-ship files for the gaps above — copy them or download and drop them into your repo.

Add an llms.txt

Publish this at https://isitdown.io/llms.txt

# Is it down? Live checker for websites, game servers, and cloud cascades, isitdown.io

> Free downtime checker for websites, Minecraft + Source game servers, AI APIs, and cloud-cascade infrastructure. Direct probes with 4 methods, never crowd reports. Live every 5 min, page updates every 5s.

## Key pages
- [Home](https://isitdown.io/)
- [Is it down ? Let's find out.](https://isitdown.io/)
- [Don't just check once — watch it.](https://isitdown.io/)

## About
Describe what isitdown.io does, who it's for, and the primary action you want an
agent to be able to complete. Keep it factual and current.

What the agent receives

The agent’s-eye view

Is it down? Live checker for websites, game servers, and cloud cascades, isitdown.io isitdown .io 1019 services live all reachable 4 regions Minecraft Crypto Outages Status page → Pricing Account 🇺🇸 English 🇺🇸 English 🇪🇸 Español 🇫🇷 Français 🇨🇳 简体中文 🇮🇳 हिन्दी 🇧🇷 Português 🇮🇩 Indonesia 🇹🇷 Türkçe 🇩🇪 Deutsch 🇯🇵 日本語 1019 services indexed · 4 methods · probed every 5s Is it down ? Let's find out. Check a website , Minecraft server , game server , or publisher , probed live with 4 methods in parallel. Website Minecraft Game server Service status Crypto live CHECK Paste any domain, ip:port, or service name. We'll figure out what to check. Try discord.com mc.hypixel.net 208.103.169.34:27015 github ethereum Actual probe data - not crowd reports. Every check hits the target four ways: HTTP/1.1 , HTTP/2 , browser UA , curl HEAD in parallel, every 5 minutes. Live incidents Most checked right now Explore live status Crypto Block freshness + RPC checks for 10 chains /blockchain → Minecraft Live player counts for 43 servers /minecraft → Game servers CS2, TF2, Rust, Ark + Steam &amp; Roblox /games → AI providers OpenAI, Anthropic, Groq &amp; more, status + latency /ai → Cloud cascade What breaks together when AWS or Cloudflare goes down /infra → Network tools Speed, SSL, DNS, redirect + header checks /tools → Don't just check once — watch it. Save any site, game server, or status page as a monitor. We probe it 4 ways around the clock and email you the moment it goes down — so you hear it from us, not from your users. 5 monitors, checked every 5 minutes Email alerts the moment status changes 7-day history &amp; status badges Start monitoring — free No credit card — includes a free 14-day Pro trial. Pro from $4.99/mo — 1-minute checks, webhook + Discord alerts, a public status page &amp; no ads. Monitoring 1019 + services updated ◆ just now Refresh LIVE · global probe feed Publisher status Riot · Epic · Statuspage · upstream polling isit down Free real-time downtime checks with 4 probe methods. Direct probes, not crowd reports. No accounts required. Ad-supported (cookie banner with reject-all). Popular Discord Steam ChatGPT Instagram Roblox Minecraft Monitor your MC server Hypixel 2b2t Wynncraft All servers → Tools All tools → Speed test SSL checker DNS checker Redirect checker Header inspector Blog Explore Categories Game servers AI providers Blockchain Cloud cascade Live outages By country Company About Contact Privacy isitdown.io · © 2026 4 probe methods · 1019 + probes · UI updates every 5s · probes every 5 min

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Full breakdown

11 pass6 warn11 fail2 skip

Show only failures

Discoverability

pass

robots.txt present

A robots.txt is reachable at the site root.

100/100

pass

robots.txt allows AI agents

All 9 known agents allowed.

100/100

fail

Content-Signal directivesemerging

No Content-Signal directives. Add e.g. `Content-Signal: ai-train=no, ai-summarize=yes` to declare granular AI usage policy beyond binary allow/disallow.

0/100

warn

llms.txt present

Found /llms.txt but missing H1 header and markdown links.

60/100

pass

Sitemap present

sitemap.xml reachable and referenced from robots.txt.

100/100

fail

Link response headers

No HTTP Link: response headers. Emit canonical/alternate/describedby relations so HEAD-only or stream-rendering agents get them without parsing HTML.

0/100

pass

Canonical URL

Canonical points to self: https://isitdown.io/.

100/100

fail

MCP server cardemerging

No valid MCP Server Card at /.well-known/mcp/server-card.json. Publish one so agents can discover your tools without HTML scraping.

0/100

fail

OAuth authorization metadataemerging

No RFC 8414 metadata at /.well-known/oauth-authorization-server. Agents that act on behalf of users need this to discover your authorization endpoints.

0/100

fail

OAuth resource metadataemerging

No RFC 9728 metadata at /.well-known/oauth-protected-resource. Publish it so agents can discover required scopes without hand-coded credentials.

0/100

fail

API catalog / OpenAPIemerging

No /.well-known/api-catalog (RFC 9727) and no /openapi.json|yaml. Publish one so agents that integrate with APIs can discover your endpoints.

0/100

fail

Web Bot Authemerging

No Web Bot Auth JWKS at /.well-known/http-message-signatures-directory.json. Publish one to allow trusted agents while keeping a default-deny posture for the rest.

0/100

Readability

fail

Markdown negotiationemerging

Accept: text/markdown returns HTML, not markdown. Serve a markdown variant of primary content when requested; agents summarize and cite it more reliably.

0/100

fail

Text-to-markup ratio

Visible text is 1.8% of HTML weight (2679/146464 bytes). Low. Markup may be crowding out agent-usable text.

14/100

skip

Content without JavaScript

Browser pass unavailable; cannot measure JS dependency.

—

warn

Heading hierarchy

Heading issues: 1 skipped level(s).

75/100

pass

Cookie wall blocks content

No common consent-modal markers detected.

100/100

warn

Page title

<title> is 84 characters; keep it under 70 so it isn't truncated.

60/100

warn

Meta description

Meta description is 203 characters; aim for 50–200 so it's neither thin nor truncated.

60/100

Structured data

pass

JSON-LD present

Found 1 JSON-LD block.

100/100

warn

Structured data validates

5 recommended-field warning(s). First: Missing or non-standard @context.

75/100

pass

Schema type coverage

Page intent unclear; no specific schema.org type expected.

100/100

Actionability

pass

Paywall / login wall

No paywall or login-wall detected on the landing URL.

100/100

fail

Agent Skills manifestemerging

No Agent Skills manifest at /.well-known/agent-skills.json. Enumerate the tasks agents can perform (search, add-to-cart, contact-support) so they pick the right one without scraping.

0/100

fail

WebMCP actionsemerging

No WebMCP detected. On pages with first-class actions (cart, support, account), embed a WebMCP server so on-page agents invoke tools directly.

0/100

pass

Primary action reachable

Primary offering identified ("Website and service downtime checker") with price/CTA ("Start monitoring — free").

100/100

pass

Reachability

HTTP 200.

100/100

Performance

warn

Time to first byte

TTFB 1162ms. Slow. Agents time out aggressively.

40/100

skip

Full render time

Full-render time unavailable (browser pass skipped or failed).

—

pass

Page weight

Initial document is a lean 143 KB.

100/100

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