Websites blocking cohere-training-data-crawler

Cohere's crawler for collecting web data used to train its enterprise language models.

Operated by Cohere · Training crawler

5.25% block cohere-training-data-crawler 1.29 million of 24.68 million domains with a known robots.txt policy 1.84% block it by name 455K domains, the rest inherit a blanket * block 2.41% restrict it by name 596K domains name it and close some of its paths 4.51% name it in robots.txt 1.11 million domains give it rules of their own

Data for Oct 2026. All four percentages divide by the same 24.68 million domains. Blocked counts both explicit User-agent: cohere-training-data-crawler blocks and blanket * blocks the crawler inherits.

Blocking trend

Share of domains with a known robots.txt policy blocking cohere-training-data-crawler in each monthly crawl. The denominator moves with each crawl and is defined in the methodology.

Historical mentions, HTTP Archive

Share of sites in each month's HTTP Archive crawl whose robots.txt named cohere-training-data-crawler (or a legacy alias of it). 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 cohere-training-data-crawler by name

Domain OPROpen Page Rank Blocking since
cnn.com 9.16/10 Oct 2026
amazon.co.jp 9.16/10 Sep 2026
substack.com 9.13/10 Oct 2026
amazon.de 9.13/10 Oct 2026
usatoday.com 9.08/10 Sep 2026
wired.com 9.07/10 Oct 2026
upenn.edu 9.00/10 Oct 2026
uol.com.br 8.92/10 Oct 2026
amazon.ca 8.91/10 Oct 2026
newyorker.com 8.90/10 Oct 2026
mashable.com 8.87/10 Sep 2026
francetvinfo.fr 8.87/10 Aug 2026
arstechnica.com 8.84/10 Aug 2026
unc.edu 8.83/10 Oct 2026
radiofrance.fr 8.82/10 Aug 2026
zeit.de 8.81/10 Sep 2026
pcmag.com 8.80/10 Aug 2026
welt.de 8.78/10 Oct 2026
ardmediathek.de 8.77/10 Aug 2026
fliphtml5.com 8.75/10 Oct 2026
tagesschau.de 8.73/10 Aug 2026
rfi.fr 8.73/10 Aug 2026
verywellmind.com 8.72/10 Aug 2026
bostonglobe.com 8.71/10 Oct 2026
people.com 8.70/10 Aug 2026
bild.de 8.70/10 Oct 2026
ndr.de 8.70/10 Oct 2026
mainichi.jp 8.69/10 Sep 2026
amazon.com.br 8.67/10 Oct 2026
vanityfair.com 8.64/10 Oct 2026

Sites whose robots.txt names cohere-training-data-crawler (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

Also matched via the legacy token cohere-ai, which some sites still use for this crawler.

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