Robots.txt Checker
Check whether a website has a robots.txt file and inspect the directives search-engine crawlers may encounter.
What is a Robots.txt Checker?
Robots.txt is a text file at the root of a website that provides crawl instructions to compliant bots. It can help manage crawling but is not a secure method of hiding private information.
Why this check matters for SEO
An accidental Disallow rule can prevent search engines from crawling important areas. Equally, a well-maintained file can keep crawlers away from unnecessary URL patterns.
SEO best practices
- Never use robots.txt to protect confidential information.
- Review broad Disallow rules carefully before deployment.
- Keep sitemap references current when you include them.
- Test changes after migrations or staging-to-live launches.
Robots.txt Checker FAQs
Does robots.txt stop a URL being indexed?
Not necessarily. Robots.txt primarily controls crawling; URLs can sometimes be discovered through links without being crawled.
Where should robots.txt live?
Normally at /robots.txt on the relevant host.
Can I block all bots?
You can publish broad crawl directives, but doing so can severely affect organic search visibility.
Check crawler rules without accidentally hiding your content
Robots.txt tells compliant crawlers which paths they may request. It does not reliably prevent a known URL appearing in search results, and it is different from a page-level noindex directive.
How to interpret a result
A site may allow crawling of public services while disallowing private query paths. If the important /services/ path is accidentally blocked, Google may struggle to fetch that page for indexing.
Example only — this is not a result from a real customer scan.
What to do next
- Review the actual robots.txt response and user-agent groups.
- Confirm important public pages and required resources are not unintentionally blocked.
- Use appropriate noindex directives for public-facing pages that should not appear in search, when those pages can be crawled.
- Test exact URLs using Search Console inspection rather than assuming a file-level rule applies everywhere.
Common mistake to avoid
Do not disallow a URL in robots.txt and then assume Google can read a noindex tag on the blocked page.
Need to check more than one page? Start with a free SEO Scan Lab summary, then review a full crawl if you need site-wide coverage and the source URLs behind issues.