llms.txt present
Still checked. Deliberately not scored. Every scan runs this and your report shows the result — it is kept out of the weight sums since rubric r2026.08.0 because no measurement has connected the standard to the outcome this score claims to predict. The weight below is what it carried before that, kept so historical scans still render; it contributes nothing today.
An llms.txt file at the site root. Reported for completeness and NOT scored: no measurement has connected it to AI citations. Google states Search does not use it; a ~300k-domain study found no correlation with citations; a 137k-domain crawl found 97% of these files received zero requests. Most traffic they do get is from SEO audit tools checking whether the file exists.
The standard is published, but measurement has not connected it to the outcome this score claims to predict — so it is reported to you and never charged against your grade. Selling a fix that does not change the thing we say we measure is the one failure a scoring product cannot survive.
Not calibrated. Not covered by calibration corpus v1. That is an absence of evidence about this check, not evidence that it is accurate.
Corpus v1, measured under rubric r2026.11.0. Full method and every other check at /rubric/accuracy.
No action needed for AI visibility. `/llms.txt` is cheap to publish and harmless, but the evidence does not support it changing whether assistants cite you — so we do not score it and you should not prioritise it. Spend the effort on being fetchable (robots.txt access agents), readable without JavaScript, and structured.
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