Is the robots.txt checker really free?

Yes. The robots.txt checker is completely free to run. You enter a domain, we fetch and analyze the file, and you get a full report by email at no cost.

Will blocking AI bots hurt my visibility in ChatGPT and Perplexity?

It can. If a crawler like GPTBot or PerplexityBot is disallowed, your pages cannot be cited by that engine no matter how strong your content is. Allowing the right bots keeps you eligible to appear in AI answers.

Does the checker change my robots.txt file?

No. The checker is read only. It fetches and analyzes your existing robots.txt and shows you what to change, but it never edits or publishes anything on your site.

Which AI crawlers should I allow?

Allow the crawlers behind the engines you care about: GPTBot for ChatGPT, Google Extended for Gemini and Google AI features, PerplexityBot for Perplexity, and ClaudeBot for Claude. Keep search bots like Googlebot and Bingbot allowed too.

How often should I check my robots.txt?

Check it whenever you ship a new robots.txt, migrate platforms, or change your CMS, and review it at least once a quarter. A single accidental disallow can quietly cut off AI visibility for months.

What is the difference between robots.txt and llms.txt?

robots.txt tells crawlers which paths they may fetch. llms.txt is a newer file that points AI engines to your most important content. They work together: robots.txt grants access, llms.txt guides what to read.

AI Robots.txt Checker by

Check if AI bots (GPTBot, ClaudeBot, PerplexityBot) can access your website

One blocked line in robots.txt can quietly stop GPTBot, ClaudeBot, or PerplexityBot from ever reading your pages. Run the free check, see exactly who you allow, and fix the gaps in seconds.

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Why Check AI Crawlability?

Your robots.txt file controls which bots can crawl your site. This tool analyzes it to show you which AI crawlers have access to your content, affecting your visibility in AI-powered search engines and chatbots.

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Your robots.txt decides which AI bots can read your site

A single line in robots.txt can quietly block ChatGPT, Perplexity, or Google from ever reading your content. As AI crawlers like GPTBot, ClaudeBot, PerplexityBot, and Google Extended multiplied, many sites ended up blocking the very bots that feed AI answers, often by accident. If a crawler is disallowed, your pages cannot be cited in that engine, no matter how good they are.

This free checker reads your robots.txt and shows you exactly which AI and search crawlers you allow or block, line by line. You can confirm you are open to the engines that matter and close the gaps that are quietly costing you AI visibility. Once your bots are allowed, test what they can actually read with the free GEO crawlability checker, and guide them with the free llms.txt generator.

How the Robots.txt Checker works

Fetch robots.txt

We retrieve the robots.txt for your domain and parse every rule it contains.

Match the AI bots

We map your allow and disallow rules against the major AI and search crawlers by name.

Report access

We show which engines can read your site and flag any that are blocked.

What the robots.txt report covers

A clear, bot by bot view of who you let read your site and who you are turning away.

AI crawler access

Whether GPTBot, ClaudeBot, PerplexityBot, Google Extended, and others are allowed or blocked.

Search engine access

How traditional crawlers like Googlebot and Bingbot are handled in your rules.

Blocked paths

Directories and pages your rules disallow that may include content you actually want cited.

Sitemap and directives

Whether your robots.txt points crawlers to your sitemap and uses valid, conflict free rules.

How it works

How the AI robots.txt checker works

Three steps from your domain to a clear, bot by bot picture of who can read your site.

Enter your domain

Type the domain you want to check and submit the form. We fetch your live robots.txt straight away, no setup or account needed.

We parse every rule

We read each allow and disallow directive and map it against the major AI crawlers (GPTBot, ClaudeBot, PerplexityBot, Google Extended) and search bots like Googlebot and Bingbot.

Get a clear access report

You see which engines can read your site, which are blocked, and the exact lines responsible, so you can open the bots that feed AI answers.

Frequently Asked Questions

What bots do you check?

We check all major AI bots including GPTBot (ChatGPT), ClaudeBot (Claude), PerplexityBot, Google-Extended (Gemini), CCBot (Common Crawl), plus reference bots like Googlebot and Bingbot.

How long does the analysis take?

The analysis usually takes just a few seconds. We fetch your robots.txt file and analyze it in real-time.

Why should I allow AI bots?

Allowing AI crawlers helps your content appear in AI-powered search engines and chatbots like ChatGPT, Perplexity, and Claude. Blocking them may reduce your visibility in these platforms.

AI robots.txt checker FAQ

Common questions about checking robots.txt for AI and search crawlers.

: Yes. The robots.txt checker is completely free to run. You enter a domain, we fetch and analyze the file, and you get a full report by email at no cost.
: It can. If a crawler like GPTBot or PerplexityBot is disallowed, your pages cannot be cited by that engine no matter how strong your content is. Allowing the right bots keeps you eligible to appear in AI answers.
: No. The checker is read only. It fetches and analyzes your existing robots.txt and shows you what to change, but it never edits or publishes anything on your site.
: Allow the crawlers behind the engines you care about: GPTBot for ChatGPT, Google Extended for Gemini and Google AI features, PerplexityBot for Perplexity, and ClaudeBot for Claude. Keep search bots like Googlebot and Bingbot allowed too.
: Check it whenever you ship a new robots.txt, migrate platforms, or change your CMS, and review it at least once a quarter. A single accidental disallow can quietly cut off AI visibility for months.
: robots.txt tells crawlers which paths they may fetch. llms.txt is a newer file that points AI engines to your most important content. They work together: robots.txt grants access, llms.txt guides what to read.

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Generate an llms.txt file so AI crawlers understand your site.

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Allow the bots, then win the answers

A clean robots.txt is step one. LLM Pulse shows you where your brand appears across ChatGPT, Perplexity, Gemini, and Google AI, and how to climb. Start your 14-day free trial.

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