Websites blocking MistralAI-User

The user-agent Mistral's Le Chat assistant uses when it fetches a page to answer a user's question about it.

Operated by Mistral AI · User-request fetcher · operator documentation

3.55% block MistralAI-User 885K of 24.91 million domains with a known robots.txt policy 0.05% block it by name 12,348 domains, the rest inherit a blanket * block 0.05% restrict it by name 12,335 domains name it and close some of its paths 0.14% name it in robots.txt 34,768 domains give it rules of their own

Data for Aug 2026. All four percentages divide by the same 24.91 million domains. Blocked counts both explicit User-agent: MistralAI-User blocks and blanket * blocks the crawler inherits.

Historical mentions, HTTP Archive

Share of sites in each month's HTTP Archive crawl whose robots.txt named MistralAI-User. This series counts mentions only (the archive keeps no rule text), comes from a different population than our own crawl above, and the two are never merged.

High-authority sites blocking MistralAI-User by name

Domain OPROpen Page Rank Blocking since
usatoday.com 9.08/10 Aug 2026
congress.gov 9.05/10 Aug 2026
msn.com 9.04/10 Aug 2026
theatlantic.com 9.01/10 Aug 2026
investopedia.com 9.01/10 Aug 2026
lefigaro.fr 8.95/10 Aug 2026
newyorker.com 8.90/10 Aug 2026
mashable.com 8.87/10 Aug 2026
francetvinfo.fr 8.87/10 Aug 2026
thelancet.com 8.85/10 Aug 2026
arstechnica.com 8.84/10 Aug 2026
wikihow.com 8.81/10 Aug 2026
pcmag.com 8.80/10 Aug 2026
amazon.it 8.78/10 Aug 2026
rfi.fr 8.73/10 Aug 2026
verywellmind.com 8.72/10 Aug 2026
metro.co.uk 8.72/10 Aug 2026
people.com 8.70/10 Aug 2026
france24.com 8.68/10 Aug 2026
cell.com 8.68/10 Aug 2026
fedoraproject.org 8.62/10 Aug 2026
francebleu.fr 8.61/10 Aug 2026
verywellhealth.com 8.59/10 Aug 2026
thespruce.com 8.58/10 Aug 2026
franceculture.fr 8.58/10 Aug 2026
emory.edu 8.56/10 Aug 2026
thoughtco.com 8.55/10 Aug 2026
france.tv 8.54/10 Aug 2026
imageshack.us 8.54/10 Aug 2026
dn.se 8.53/10 Aug 2026

Sites whose robots.txt names MistralAI-User (or a legacy alias) with a full block, ranked by Open Page Rank. Sites blocking every crawler with a blanket * rule are counted above but not listed here. Since dates start at our first observation of the rule.

Restricting some paths

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