What does this robots.txt checker validate?

It checks robots.txt availability, parses user-agent groups, allow and disallow directives, and extracts sitemap links with quick reachability checks.

Why can robots.txt issues hurt SEO and support workflows?

Misconfigured directives can block crawling, delay discovery of critical pages, and cause confusion during outages when search visibility drops unexpectedly.

Does this checker replace Google Search Console?

No. It is a fast diagnostics tool. Use it for immediate validation, then confirm indexing and crawl data in Search Console and your log analytics.

SEO Tools

robots.txt Checker

Validate robots.txt availability, crawler rules, and sitemap directives so crawl control mistakes do not silently hurt indexing.

This tool is useful when organic traffic drops, pages stop being discovered, or teams suspect accidental crawl blocking after deployment.

Use with the DNS Lookup Tool, Redirect Checker, and our status communication guide to debug indexing and reachability together.

Ready

Run a check to inspect robots.txt health.

The tool validates robots.txt reachability, crawler groups, and sitemap directives.

Checked-

Domain-

robots.txt Status-

Sitemaps Found-

Rules by User-Agent Waiting for check

Sitemap Directives Waiting for check

View or Download robots.txt preview and JSON report

Advanced: Sample Parsed Directives

Sample Parsed Directives First directives in file

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How to Use This Checker for SEO and Incident Response

Detect Accidental Crawl Blocking

A single disallow rule can remove entire sections from crawl discovery. This checker highlights wildcard blocks quickly so teams can revert fast.

Validate Sitemap Discovery Paths

It extracts sitemap directives and checks reachability, which helps when index coverage drops because crawlers cannot fetch sitemap files reliably.

Improve Support Handoffs

Structured output makes it easier for SEO, engineering, and support teams to align on whether the problem is crawl policy, hosting, or site health.

Pair With Availability Checks

Combine robots findings with status, redirect, and DNS checks so indexing incidents are not mistaken for full downtime or vice versa.

Related Guides

Useful reading when crawl rules, downtime reports, and route issues overlap.

How to Check if a Website Is Down

A practical triage checklist for separating crawl visibility concerns from genuine availability incidents.

DNS Outage Troubleshooting Guide

Use this when robots and sitemap URLs exist but crawlers still fail due to DNS misconfiguration or stale records.

Status Page Best Practices During Outages

Strong communication patterns help when indexing changes or site incidents affect customer trust and support volume.

Frequently Asked Questions

What does this checker verify first?

It first verifies whether robots.txt is reachable, then parses crawler directives and sitemap entries so you can quickly spot indexing blockers.

What if robots.txt returns 404?

A 404 means no explicit robots.txt file is served. Crawlers typically apply default behavior, but teams often lose visibility into intended crawl controls.

Can this find all SEO issues?

No. It focuses on robots.txt and sitemap directives. Pair it with crawl reports, log analysis, and Search Console for full SEO diagnostics.

Is this robots.txt checker free?

Yes. It is free for normal diagnostics use.