Free Monitoring Tools
Quick, free utilities to diagnose your website. No sign-up required.
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Markdown for Agents Checker
Test whether your website serves Markdown via HTTP content negotiation — essential for AI agent readiness.
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Website Content Extractor
Extract clean, structured content from any public webpage as JSON, HTML, plain text, Markdown, or a distraction-free reading view.
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CSP Generator
Generate a Content Security Policy from your live site or a preset, with a security grade, config findings, and bypass detection.
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DNS Lookup
Look up DNS records (A, AAAA, CNAME, MX, TXT, NS) from multiple global server locations.
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HTTP Response Inspector
Send an HTTP request with any custom headers and inspect the full response — status code, all response headers, and a body preview.
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Network Exposure Checker
See which ports and services your server exposes to the internet, and which of them deserve a second look.
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SLA Uptime Calculator
Convert any uptime percentage into allowed downtime per period, or check if an outage duration exceeded your SLA target.
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SSL Certificate Checker
Check SSL certificate validity, expiry date, issuer, and certificate chain for any domain.
Start monitoring your website content and uptime with Testomato
You can try it all free for 14 days with no credit card and no commitment.