robots.txt Validator
Checks group structure, directives, line-level syntax and potentially complete blocking rules without requesting a website.
Validation result
● No structural warnings
Groups1
Rules1
Sitemaps1
What this tool checks
Checks group structure, directives, line-level syntax and potentially complete blocking rules without requesting a website.
How it works
Paste the exact live file, review parser warnings, then compare the result with the policy you intend to publish.
Common mistakes
Common mistakes include misspelled user-agent tokens, rules under the wrong group, an unintended Disallow: /, and testing draft text that differs from production.