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AI crawlers gain unintended access to websites due to robots.txt misconfigurations

By PulseAugur Editorial · [1 sources] ·

A recent analysis of robots.txt files revealed that a significant number of websites are inadvertently granting broad access to AI crawlers like GPTBot. According to RFC 9309, crawlers specifically identified in robots.txt should ignore general disallow rules. However, the study found that 329 out of 1,105 sites that attempted to block AI crawlers from certain paths actually allowed them access, often to sensitive areas like site search and login pages. AI

IMPACT Misconfigurations in robots.txt could expose sensitive website data to AI crawlers.

RANK_REASON Analysis of robots.txt files reveals unintended access for AI crawlers. [lever_c_demoted from research: ic=1 ai=0.4]

Read on Mastodon — mastodon.social →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

AI crawlers gain unintended access to websites due to robots.txt misconfigurations

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Analysis of robots.txt files reveals unintended access for AI crawlers. [lever_c_demoted from research: ic=1 ai=0.4]
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COVERAGE [1]

  1. Mastodon — mastodon.social TIER_1 English(EN) · hitmind ·

    If you added a User-agent: GPTBot group to your robots.txt, check it. Under RFC 9309, a crawler that finds its own group ignores User-agent: * completely, so yo

    If you added a User-agent: GPTBot group to your robots.txt, check it. Under RFC 9309, a crawler that finds its own group ignores User-agent: * completely, so your other Disallow lines stop applying to it. We read the top 10,000 domains in October. Of 1,105 files that block paths …

    LINKS hitmind.ai/…/ai-crawler-access-2026

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