robots.txt & llms.txt across the Tranco top 1M
Data as of 2026-09-07 · robots.txt via Common Crawl CC-MAIN-2026-34 + our polite crawl · llms.txt via our polite crawl · Tranco list XN67N (2026-09-03T22:00:02.533886) · 1,000,000 panel domains 1,212,578 robots.txt fetches · 740,113 parsed · 56,498 llms.txt probes

Two public profiles · no score or winner

imfdb.org and oefb.at

imfdb.org #38,533 oefb.at #38,531

Measured takeaway

imfdb.org blocks live assistant fetchers; oefb.at has mixed rules for live assistant fetchers.

Measured in Botfy's 2026-09-07 publication.

At a glance

A difference appears only when both sites have comparable evidence. Unavailable or unresolved observations remain incomplete.

Evidenceimfdb.org oefb.at
robots.txt Served and parsed Served and parsed
Google crawl posture Open Open
Unnamed crawler fallback Allowed the wildcard (*) group is effectively open Partly Restricted they inherit the wildcard (*) group's rules
Base /llms.txt Not probed Not found when probed

Treatment by purpose

Only resolved blocked, allowed, or mixed states count as a policy agreement or difference. Unnamed agents still inherit each site's wildcard rules.

Declared purposeimfdb.org oefb.at
Model training Blocked Blocked
AI search Not explicitly addressed Mixed
Live assistant fetch Blocked Mixed
Opt-out directives Blocked Blocked
Ambiguous / undocumented Not explicitly addressed Blocked

Named agents

Measured differences appear first. “Not explicitly addressed” is not the same as allowed; the site's wildcard fallback governs that crawler.

Agentimfdb.org oefb.at
GPTBot OpenAI Blocked Blocked
ClaudeBot Anthropic Blocked Blocked
CCBot Common Crawl Blocked Blocked
Bytespider ByteDance Blocked Blocked
meta-externalagent Meta Blocked Blocked
Amazonbot Amazon Blocked Blocked
Google-Extended Google Blocked Blocked
Applebot-Extended Apple Blocked Blocked
TikTokSpider ByteDance Not explicitly addressed Blocked
FacebookBot Meta Not explicitly addressed Blocked
cohere-ai Cohere Not explicitly addressed Blocked
cohere-training-data-crawler Cohere Not explicitly addressed Blocked
25 additional tracked agents
Agentimfdb.org oefb.at
Diffbot Not explicitly addressedBlocked
Timpibot Not explicitly addressedBlocked
omgili Not explicitly addressedBlocked
omgilibot Not explicitly addressedBlocked
img2dataset Not explicitly addressedBlocked
AI2Bot Not explicitly addressedBlocked
Ai2Bot-Dolma Not explicitly addressedBlocked
Kangaroo Bot Not explicitly addressedBlocked
panscient.com Not explicitly addressedBlocked
Webzio-Extended Not explicitly addressedBlocked
OAI-SearchBot Not explicitly addressedPartly blocked
Claude-SearchBot Not explicitly addressedPartly blocked
PerplexityBot Not explicitly addressedPartly blocked
YouBot Not explicitly addressedBlocked
PetalBot Not explicitly addressedBlocked
ChatGPT-User Not explicitly addressedPartly blocked
Claude-User Not explicitly addressedPartly blocked
Claude-Web Not explicitly addressedBlocked
Perplexity-User Not explicitly addressedPartly blocked
Meta-ExternalFetcher Not explicitly addressedBlocked
MistralAI-User Not explicitly addressedPartly blocked
DuckAssistBot Not explicitly addressedPartly blocked
anthropic-ai Not explicitly addressedBlocked
GoogleOther Not explicitly addressedBlocked
Scrapy Not explicitly addressedBlocked

How each site compares with its own rank peers

The sites may belong to different rank bands. Each percentage keeps its own population and denominator; Botfy does not subtract rates from unlike cohorts.

Traitimfdb.org oefb.at
Wildcard group Yes 92.1% Ranks 10,001–100,000 · n=54,147 Yes 92.1% Ranks 10,001–100,000 · n=54,147
Effectively open file Yes 22.6% Ranks 10,001–100,000 · n=54,147 No 22.6% Ranks 10,001–100,000 · n=54,147
Sitemap declared No 61.7% Ranks 10,001–100,000 · n=54,147 No 61.7% Ranks 10,001–100,000 · n=54,147
robots.txt served Yes 59.7% Ranks 10,001–100,000 · n=91,507 Yes 59.7% Ranks 10,001–100,000 · n=91,507
robots.txt returned 404 No 7.9% Ranks 10,001–100,000 · n=91,507 No 7.9% Ranks 10,001–100,000 · n=91,507
Over the RFC parse limit No 0.2% Ranks 10,001–100,000 · n=54,147 No 0.2% Ranks 10,001–100,000 · n=54,147
Blanket disallow No 4.0% Ranks 10,001–100,000 · n=54,147 No 4.0% Ranks 10,001–100,000 · n=54,147
How this comparison is measured

Both sites use Botfy's latest published observations. A missing fetch, unresolved agent verdict, and measured absence are different states. Peer percentages use each site's exclusive Tranco rank band and print their own denominator. Populations, sources, and limits →

Keep comparing

Each suggestion replaces one side using an editorial collection or current rank proximity. Neither means the sites have similar policies.