Robots.txt Tester & Validator
Ensure your most important pages are accessible to search bots. This tool validates directives and visually explains the impact on your site's crawlability.
Live Validation
Test URL Access
Enter a path to see if your robots.txt allows or blocks access for specific search bots.
Complex site structure?
Large-scale ecommerce or enterprise sites often have conflicting robots.txt rules that create crawl traps.
Book a Technical ConsultationMastering the Crawl Budget
Your robots.txt file is the frontline of your search architecture. It tells search engines where they are welcome and—more importantly—where they are wasting their time.
Crawl Efficiency
Large sites (especially ecommerce) have limited "crawl budget." Blocking non-essential parameters, internal search results, and admin directories ensures bots spend their time on priority revenue-generating pages.
Syntax Precision
A single character error in robots.txt can de-index an entire website. We validate your syntax to ensure directives like `User-agent` and `Disallow` are used correctly and follow modern search standards.
Dangerous Directives to Watch
Disallow: /
The "Nuclear Option". This directive blocks every crawler from every page on your site. Only use this on staging environments.
Disallow: /cgi-bin/
Dated directives. While not harmful, clean robots.txt files should reflect modern site structures to avoid bot confusion.
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Frequently Asked Questions
Does robots.txt prevent indexing?
Not necessarily. Robots.txt prevents crawling. If a page is blocked via robots.txt but has external links pointing to it, Google may still index the URL (though it won't know what is ON the page). To prevent indexing, use a meta robots "noindex" tag.
Isrobots.txt case sensitive?
Directive names (Allow, Disallow) are case-insensitive, but the paths they refer to are generally case-sensitive depending on the server hosting the site. It is best practice to match the exact casing of your URLs.
Where should robots.txt be located?
It must always be located at the root of your domain (e.g., https://example.com/robots.txt). Search engines will not look for it in subdirectories.