ARO · Operational

llms.txt

llms.txt is an Agent Readiness Optimization check in the Content group.

Version agent-readiness-2026-10

What is this benchmark?

llms.txt is an Agent Readiness Optimization check in the Content group.

Why it matters

An llms.txt file is an optional guide. Missing it does not change the score.

How SiteGlue evaluates it

HTTP request to a well-known or published URL. Spec: https://llmstxt.org/. Catalog agent-readiness-2026-10.

Passing criteria: The published signal for llms.txt is present and readable.
Failing criteria: The scan requested the signal and it was missing, blocked, or malformed.
Not verified: The check was not selected, the probe did not run, or evidence was inconclusive. Not verified is never scored as 0.
Not applicable: Optional checks can be recorded without changing the ARO score.

Scoring weight: 0. Evidence: Public HTTP, HTML, or DNS evidence for llms.txt. No private credentials.

Example results

Pass

Agents can read a valid llms.txt signal on the public site.

Fail

llms.txt is missing, blocked, or not machine-readable.

Recommended fixes

Publish this file at /llms.txt. It includes only public knowledge this AI Employee is allowed to share.

Related benchmarks

Frequently asked questions

Does a missing optional check lower my ARO score?

No. Weight 0 checks are recorded and shown. They do not change the score.

No. ARO is a website audit. Optional live walks are Test With AI Agents.