Useful Hacks

robots.txt Tester

Test whether a URL is allowed or blocked by a robots.txt file.

Processed locally in your browser. Nothing you enter is uploaded.
  • Applies the longest-match precedence rule Google uses, including wildcards and `$`.
  • Test against a specific user-agent or the `*` default.
  • Runs in your browser — paste an unpublished robots.txt to check it first.

Why this is private

  • Processed locally in your browser. Nothing you enter is uploaded.
  • Open your browser's DevTools → Network tab while using this tool — you won't see a request carrying your input, because it never leaves your device.
  • Nothing you enter is uploaded to a server or shared with us — the processing happens entirely on your device.

Overview

Tests whether a specific URL path is allowed or blocked by a robots.txt file, applying the same longest-match-wins rule real crawlers use.

How to use it

  1. 1Paste your robots.txt content.
  2. 2Enter the URL path to test.
  3. 3Optionally set a specific user-agent (defaults to *).

Tips

  • robots.txt only controls crawling, not indexing — a disallowed page can still appear in search results if linked elsewhere. Use a noindex meta tag to prevent indexing.

Frequently asked questions

What people use it for

Confirm an important page isn't blockedCheck that a key landing page or the sitemap URL is crawlable.
Verify a new disallow rule does what you meantTest both a path it should block and one it shouldn't.
Debug a "blocked by robots.txt" warningReproduce the crawler's decision for the exact URL Search Console flagged.
Check wildcard rulesSee how `Disallow: /*.pdf$` or `/*?` actually matches your URLs.

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