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Check crawler access, matched groups, and winning rules for a URL before you publish robots.txt updates.
What this tool helps you answer
Use this tool when you want to know whether a crawler should be allowed to access a specific path and why. It is especially useful before deployment, after CMS rule changes, or when crawl behavior does not match what the robots.txt file seems to say at first glance.
The most important output is not only allowed versus blocked. It is which user-agent group matched, which rule won, and whether that outcome matches your crawl intent for the path you tested.
Longest allow/disallow path match within selected user-agent groupsNext step
Check crawler access, matched groups, and winning rules for a URL before you publish robots.txt updates.
Editorial review
This page combines the live tool, input guidance, worked examples, and operating limits so Robots.txt Auditor stays useful even before users interact with the calculator.
Reviewed by Klartext Tools against the current Robots.txt Auditor workflow on 2026-03-01.
Last updated:
Use with judgment
Page scope
A common setup allows most content but blocks admin and checkout paths.
Useful for checking that broad disallow rules do not accidentally spill into public content areas.
A site blocks a parent directory but intentionally re-allows a deeper help section.
Good for understanding why the longest matching path rule matters more than rule order alone.
Paste the current file exactly as it is planned or deployed, then test the user agent and path that matter most instead of checking only the wildcard group.
Paste the robots.txt content and enter the crawler name you want to test, such as Googlebot or a broader wildcard case.
Enter the path or full URL whose crawl eligibility you want to check.
Run the auditor and review the matched group, winning rule, and final allow or disallow result together.
If the result looks wrong, adjust the file, then rerun the same path and crawler to confirm the fix.
Use one safe setup and one conflict-heavy setup to understand what the winning rule output is actually telling you.
A common setup allows most content but blocks admin and checkout paths.
Sample inputs
Sample outcome: Useful for checking that broad disallow rules do not accidentally spill into public content areas.
A site blocks a parent directory but intentionally re-allows a deeper help section.
Sample inputs
Sample outcome: Good for understanding why the longest matching path rule matters more than rule order alone.
Incorrect robots directives can block important pages, expose sections you meant to hide from crawlers, or create conflicting rule sets that are hard to reason about after launch.
Most launch robots mistakes are avoidable. The problem is not that robots.txt is hard. The problem is that teams review it too late, test too little, or confuse a few working paths with a safe crawl policy.
Hreflang errors are expensive because they waste localization work after launch. A multilingual release can look structurally complete and still fail on language targeting if reciprocal links, URL mapping, or page availability are not checked before publishing.
These tools overlap, but they answer different launch questions. Robots.txt Auditor is better when you need to inspect the whole file as a policy document. Robots.txt Tester is better when you need a fast yes or no answer for a specific URL and user agent.
Small teams often reach a decision point before launch: are free browser-based tools enough, or does this release justify a paid SEO suite? The honest answer depends less on ideology and more on scale, accountability, and how much risk is packed into the release window.
Agency launch QA is different from solo-site QA because the handoff risk is higher. A tool stack has to catch issues clearly enough that the team can explain them to clients, developers, and content owners without creating another debugging loop.
Solo operators and individual publishers do not need agency-grade QA. They need a short, repeatable pass they will actually run before hitting publish. The most common small-site launch failure is not a wrong method. It is skipping the check entirely because no process forces it. This shortlist covers the browser-based tools that remove the highest-risk mistakes in the least amount of time for sites built and shipped by one or two people.
Technical website utility tools for robots.txt, hreflang, sitemap validation, crawl checks, and performance diagnostics.
Check whether the URLs you want crawled also appear cleanly in the sitemap.
Run a second URL-focused check when you want to inspect rule outcomes on additional paths.
Validate international page relationships after crawl access is confirmed.
Use these answers to understand the rule-matching model and the limits of what robots.txt can control.
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