What is Robots.txt Generator?
A robots.txt generator turns explicit crawl choices into a plain-text file that can be served from the root of a host. It is useful when you know which crawler groups and paths should be allowed or disallowed but want to avoid formatting mistakes.
Small syntax mistakes can make a crawl-control rule ineffective, while an overly broad rule can hide an important section from crawlers. Generating a minimal file from deliberate choices makes review easier than copying a large example from another website.
How to use the Robots.txt Generator
- 1Choose the user-agent group you want to control.
- 2Add blocked or allowed path prefixes one per line.
- 3Add the absolute sitemap URL if the site has one.
- 4Generate the file, review it manually and publish it as /robots.txt on the correct host.
Understanding the results
- User-agent selects the crawler group the following rules apply to.
- Disallow defines paths the group should not request.
- Allow can create a more specific exception within a broader blocked path.
- Sitemap points crawlers to an XML sitemap and uses an absolute URL.
Common problems
- Copying rules from staging into production.
- Blocking /wp-content/ or asset directories without checking rendering effects.
- Trying to create noindex behavior through robots.txt.
- Publishing the file on a subdirectory instead of the host root.
How to fix them
- Test representative public, blocked and exception URLs before deployment.
- Pair indexing requirements with meta robots or X-Robots-Tag rather than crawl blocks.
- Keep separate robots files for different hosts when subdomains have different crawl policies.
robots.txt generation best practices
- Start permissive and add only rules you can explain.
- Document unusual blocks with short comments.
- Keep a version-controlled copy when possible.
Practical example
What this tool cannot tell you
The generator cannot know which application routes are private, low-value or important to your SEO strategy. Review every rule against the actual site before publishing.
Frequently asked questions
Where should robots.txt be uploaded?+
At the root of the host, for example https://example.com/robots.txt.
Should I block admin pages?+
Only if crawl control is appropriate. Sensitive admin areas should also have real authentication.
Can one robots file control another subdomain?+
No. Robots rules apply to the host where the file is served.
Should I add a Sitemap directive?+
It can be useful for discovery and is common practice, though sitemaps can also be submitted through search engine tools.
Can I block query parameters?+
Path patterns can target parameter-containing URLs, but test carefully because broad patterns can catch valid pages.
Related SEO tools
Robots.txt Tester
Test whether a specific URL is allowed or blocked for a crawler and see the robots.txt rule that controls the decision.
Robots.txt Validator
Fetch and validate a site's robots.txt file for directive syntax, formatting problems and crawl-control mistakes.
XML Sitemap Generator
Turn a list of absolute URLs into a standards-compliant XML sitemap you can save as sitemap.xml.
Indexability Checker
Review the technical signals that influence whether a page is eligible for indexing without pretending to know Google's live index state.