About

SEO Tools

Robots.txt Validator

Validate robots.txt rules online and check whether crawlers can access your URLs.

Features

  • Directive validation
  • Sitemap checks
  • Crawler access warnings

How to use it

  1. Enter a robots.txt URL.
  2. Fetch and analyze its directives.
  3. Review errors, warnings, and sitemap references.

Example and use cases

Check whether a Disallow rule accidentally prevents crawlers from reaching a public tool page.

Useful for website owners, SEO reviews, and verifying crawler access rules before submitting a site for indexing.

SEO Tool

Robots.txt Validator

Check your website's robots.txt file for common errors, formatting issues, and potentially problematic crawling rules.

Input

Enter the URL of your robots.txt file.

Example: https://www.example.com/robots.txt

01

Fetch robots.txt

Enter your website's robots.txt URL. The tool retrieves the file and reads it as plain text.

02

Analyze rules

The validator checks directives, user-agent blocks, sitemap URLs, paths, and potentially problematic configurations.

03

Review results

Errors, warnings, suggestions, statistics, and the original robots.txt content are displayed in one report.

Example

Valid robots.txt example

User-agent: *
Disallow: /admin/
Disallow: /private/

Sitemap: https://www.example.com/sitemap.xml

This example allows crawling generally while disallowing the specified paths and declaring a sitemap location.

FAQ

Related Tools

Robots.txt Generator

Create a robots.txt file for your website.

Sitemap Validator

Check sitemap XML for common problems.

JSON Formatter

Format and validate JSON data.

URL Encoder

Encode and decode URLs and URL components.

Frequently asked questions

Does robots.txt block indexing by itself?

It controls crawling, but it is not a security mechanism and does not reliably remove already discovered URLs from search results.

Related developer tools

URL EncoderJSON FormatterREST API Tester