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llms.txt questions and answers

Short answers for common implementation decisions. Each page includes practical steps and links to related tools. For Chinese resources, visit 中文问题库.

Setup

Where to put llms.txt

Exact file path, canonical URL, and deployment checks.

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SEO

Does llms.txt help SEO

What it can improve, and what it cannot replace.

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Validation

How to test llms.txt

Fast checks for syntax, links, crawlability, and policy alignment.

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Robots

Can llms.txt replace robots.txt

Why permissions and source mapping are separate decisions.

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Sitemaps

Can llms.txt replace sitemap.xml

Discovery vs curation, and how to run both files together.

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Scope

How many links in llms.txt

A practical range by site type and content maturity.

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Logs

How to check GPTBot visits

Identify GPTBot and related AI crawlers from user-agent lines.

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Search Console

Submit llms.txt to Google?

What to submit, what not to submit, and what actually matters.

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Policy

Should I allow OAI-SearchBot

Visibility-first policy pattern for OpenAI search crawler access.

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Maintenance

How often update llms.txt

A practical weekly and monthly maintenance cadence.

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Troubleshooting

Why GPTBot is still blocked

Fix wildcard conflicts, stale files, and policy deployment issues.

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