Developer Tools
Find clear answers to common questions about Robots.txt Checker, including usage, output, and common issues.
Use this Robots.txt Checker to fetch and inspect a website robots.txt file. It helps you confirm whether the file exists, review common directives like User-agent, Disallow, Allow, and Sitemap, and spot obvious crawl-control issues during SEO checks.
Robots.txt Checker is built for development, debugging, formatting, and quick technical checks directly in the browser.
It checks whether a robots.txt file exists and extracts common directives such as User-agent, Disallow, Allow, and Sitemap.
No. You can enter a domain like example.com or a full URL.
No. It is a practical checker for existence and common directives, not a full crawler simulator.
It helps control crawler access and can reveal blocked sections or sitemap references.
The tool will show that the file is missing so you can review whether that is expected.
Robots.txt Checker is built for development, debugging, formatting, and quick technical checks directly in the browser.
Start by checking the input format, removing accidental spaces or unsupported characters, and comparing your input against the example pattern on the page.
Fix: Use the main site URL or domain. The tool will check /robots.txt on that origin.
Fix: Retry with the full URL and compare the result manually in the browser if needed.
Fix: Remember robots.txt controls crawling, not always indexing behavior.
If you want to see realistic input and output patterns, open the examples page. If you want step-by-step usage guidance, open the guide page.
Open the main Robots.txt Checker page to test your own input and generate a live result.