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

cnbc.com and list-manage.com

cnbc.com #469 list-manage.com #470

Measured takeaway

Botfy does not have comparable evidence for a strong policy takeaway; the available states are shown below.

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.

Evidencecnbc.com list-manage.com
robots.txt Served and parsed Fetch failed: connect_error
Google crawl posture Open Blocked
Unnamed crawler fallback Partly Restricted they inherit the wildcard (*) group's rules Unavailable
Base /llms.txt Not probed Not 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 purposecnbc.com list-manage.com
Model training Blocked Observation unavailable
AI search Blocked Observation unavailable
Live assistant fetch Blocked Observation unavailable
Opt-out directives Blocked Observation unavailable
Ambiguous / undocumented Blocked Observation unavailable

Named agents

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

Agentcnbc.com list-manage.com
GPTBot OpenAI Blocked Observation unavailable
ClaudeBot Anthropic Blocked Observation unavailable
CCBot Common Crawl Blocked Observation unavailable
Bytespider ByteDance Blocked Observation unavailable
meta-externalagent Meta Blocked Observation unavailable
FacebookBot Meta Blocked Observation unavailable
cohere-ai Cohere Blocked Observation unavailable
Diffbot Diffbot Blocked Observation unavailable
omgili Webz.io Blocked Observation unavailable
omgilibot Webz.io Blocked Observation unavailable
OAI-SearchBot OpenAI Blocked Observation unavailable
PerplexityBot Perplexity Blocked Observation unavailable
8 additional tracked agents
Agentcnbc.com list-manage.com
ChatGPT-User BlockedObservation unavailable
Claude-User BlockedObservation unavailable
Claude-Web BlockedObservation unavailable
Amazonbot BlockedObservation unavailable
Google-Extended BlockedObservation unavailable
Applebot-Extended BlockedObservation unavailable
anthropic-ai BlockedObservation unavailable
Scrapy BlockedObservation unavailable

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.

Traitcnbc.com list-manage.com
Wildcard group Yes 95.1% Ranks 1–1,000 · n=529 Parsing unavailable 95.1% Ranks 1–1,000 · n=529
Effectively open file No 11.3% Ranks 1–1,000 · n=529 Parsing unavailable 11.3% Ranks 1–1,000 · n=529
Sitemap declared Yes 66.0% Ranks 1–1,000 · n=529 Parsing unavailable 66.0% Ranks 1–1,000 · n=529
robots.txt served Yes 53.3% Ranks 1–1,000 · n=1,000 Fetch failed: connect_error 53.3% Ranks 1–1,000 · n=1,000
robots.txt returned 404 No 4.6% Ranks 1–1,000 · n=1,000 Fetch failed: connect_error 4.6% Ranks 1–1,000 · n=1,000
Over the RFC parse limit No 0.8% Ranks 1–1,000 · n=529 Parsing unavailable 0.8% Ranks 1–1,000 · n=529
Blanket disallow No 8.9% Ranks 1–1,000 · n=529 Parsing unavailable 8.9% Ranks 1–1,000 · n=529
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.