fanfiction.net: what it tells AI crawlers

On 28 October 2026, fanfiction.net's robots.txt fully blocked GPTBot, ClaudeBot, Google-Extended and CCBot; it also signalled ai-train=no.

Last verified 2026-10-29 03:59 UTC (daily run of 2026-10-28). Proof for that day.

Panel

top 10k (Tranco)

robots.txt

ok (HTTP 200) · https://www.fanfiction.net/robots.txt
unchanged since 2026-10-28 · sha256 3073d1e371afb327… · view as recorded

The * group

allows applies to every agent without its own group

Per AI bot, 2026-10-28

Other signals

Content signals: search=yes, ai-train=no, use=reference for *

robots.txt as recorded sha256 2e3d8fd7a8388a40…

User-agent: *
Disallow: /secure/
Disallow: /rs/
Disallow: /ru/
Disallow: /eye/
Disallow: /m/
Allow: /

User-agent: ia_archiver
Disallow: /

robots.txt versions

Timeline of changes

Reconstructed history (Common Crawl)

From Common Crawl's robots.txt captures: what CCBot was served, one crawl per quarter. A separate series from the daily observations above; a 403 here means Common Crawl was refused, not this ledger.

Evidence

Every daily observation of fanfiction.net is a leaf in that day's Merkle tree. Proof of the robots.txt line for 2026-10-28: audit path (JSON), day root and OpenTimestamps proof (complete (bitcoin block 973640)).

API: https://infrarabbit.com/crawlers/api/v1/policy/fanfiction.net