Robot TXT Tester

A precise robots.txt tester for SEO professionals and webmasters to verify crawl directives and ensure compliant, efficient site indexing.

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1,700+

Total Calculations Run

< 15ms

Browser Execution Speed

100%

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4.9 / 5.0

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About This Tool

The Robot TXT Tester analyzes robots.txt rules to determine whether a given user-agent may access a specified path. It helps SEO professionals, webmasters, and developers validate crawling policies before deployment or during audits.

Internally, the tool parses the robots.txt content, identifies User-agent blocks, and builds a per-UA rule set. It then tests the target path against the most specific applicable directives using the common longest-match wins approach. The output includes whether access is ALLOWED or DISALLOWED, the matching rule, and a concise rationale for the decision to aid interpretation.

This tool emphasizes explainability: it does not fetch live content by default, but accepts user-provided robots.txt text, so you can audit policies without external requests. It supports batch-style testing of multiple user agents, and can export a summary suitable for change logs or reports. Primary beneficiaries are SEO specialists, webmasters, and content teams who want predictable crawling behavior and faster issue resolution.

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How to Use

Provide inputs: copy-paste robots.txt content, specify the user-agent, and enter the path to test.
Optionally enable batch mode to test multiple user-agents against the same rules.
Run analysis to receive a clear ALLOWED or DISALLOWED result with the matching rule.
Review the rationale and export a summary for stakeholder discussions.

Frequently Asked Questions

Find Quick Answers

What does the tool test?

The tool analyzes robots.txt directives for a given user-agent and path, returning whether access is allowed or disallowed and which rule governed the decision.

Can I test multiple user-agents?

Yes. The tool supports batch testing by providing a list of user-agents and returning corresponding results for each in a compact report.

How does it handle missing robots.txt?

If robots.txt content is not provided or missing, the tool treats all paths as allowed unless an explicit rule is present, simulating the default permissive behavior.

Does it validate syntax?

The tester detects common syntax issues and malformed lines, flags unknown directives, and highlights potential policy conflicts for review.

Need to run multiple calculations?

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