Who blocks AI · #931 in the Majestic Million

robots.txt · checked 9 Nov 2026

Does americanexpress.com block AI crawlers?

We couldn’t check americanexpress.com: its server didn’t answer our request for /robots.txt.

GPTBotUnknownOAI-SearchBotUnknownClaudeBotUnknownPerplexityBotUnknownGoogle-ExtendedUnknownCCBotUnknown
robots.txt
its server didn’t answer our request for /robots.txt
llms.txt
not checked
Checked
9 November 2026, as canaicrawl. We check again every week.

What do the bots actually get?

This page reads robots.txt, which states what americanexpress.com asks of crawlers. A firewall or CDN can still refuse a bot that robots.txt allows. The live check requests the page as each bot and shows the status it gets.

Run a live check on americanexpress.com Test a path in the robots.txt tester

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