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Free Robots.txt Testing

Test and validate any robots.txt file instantly. No account required.

Robots.txt Tester

Free
  • Syntax validation
  • Directive parsing per user-agent
  • URL testing against rules
  • Crawl directive verification

Robots.txt Tester

Free
  • Instant robots.txt validation
  • Parse and display all crawl directives per user-agent.
  • Test specific URLs against your robots.txt rules.
  • Use the tool instantly without signing up.

Or monitor everything from one dashboard

Site Watcher bundles all 5 monitoring tools — domain expiry, SSL, uptime, DNS, and vendor status — into a single dashboard with unified alerting.

Site Watcher

Free
  • Up to 3 monitored targets
  • All 5 tools in one dashboard
  • Smart check cadence
  • Email alerts
  • 30-day history
Most Popular

Site Watcher Pro

$39/month
  • Unlimited targets across all tools
  • Domain expiry + SSL + Uptime + DNS + Vendor status
  • Consolidated alerts
  • Roll-up site status
  • 1-year history
  • Bulk import
Try Site Watcher

Site Health Pro

$69/month
  • Everything in Site Watcher Pro
  • Google Search Console integration
  • Core Web Vitals monitoring (LCP, INP, CLS)
  • Robots.txt change monitoring
  • Sitemap change monitoring
  • Redirect chain monitoring
  • Hreflang monitoring
  • WHOIS change monitoring
Try Site Health