Does AGENTIC_MAIN_CONTENT_MARKED affect my score?

Yes. It is an importance 7 rule at SPECIFICATION confidence, so a failure costs 7 × 1 points of impact in the AI Agent Readiness category before that category is normalised to 100.

What does SPECIFICATION confidence mean?

A standard says so: HTML, WCAG, an RFC or Google's own documentation. Confidence is a declared tier rather than a per-rule number, so every rule backed by the same class of evidence carries the same weight - which is what makes the score reproducible instead of hand-tuned.

How do I check AGENTIC_MAIN_CONTENT_MARKED on my own site?

Paste your URL into the box above and it runs only this rule, usually in a couple of seconds. It is also included in the AI Agent Readiness checker and in a full scan.

AI Agent ReadinessMedium Affects your score

A main content region is declared

AGENTIC_MAIN_CONTENT_MARKED

An agent orienting on an unfamiliar page looks for the main landmark first. Without one it has to guess which of forty divs holds the content, and it frequently guesses the navigation.

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How this rule is weighted

Importance: 7 / 10; How much this matters relative to other rules.
Confidence: SPECIFICATION; A standard says so: HTML, WCAG, an RFC or Google's own documentation.
Severity: warning; How the finding is presented when it fails.
Scoring: Counts; A failure costs points in its category.

Impact is importance multiplied by the confidence tier’s weight — SPECIFICATION 1.0, RESEARCH 0.7, EMERGING 0.3, EXPERIMENTAL 0.1. Two rules backed by the same class of evidence therefore always carry the same weight, which is what makes the score reproducible rather than hand-tuned.

Questions about this rule

Does AGENTIC_MAIN_CONTENT_MARKED affect my score?: Yes. It is an importance 7 rule at SPECIFICATION confidence, so a failure costs 7 × 1 points of impact in the AI Agent Readiness category before that category is normalised to 100.
What does SPECIFICATION confidence mean?: A standard says so: HTML, WCAG, an RFC or Google's own documentation. Confidence is a declared tier rather than a per-rule number, so every rule backed by the same class of evidence carries the same weight - which is what makes the score reproducible instead of hand-tuned.
How do I check AGENTIC_MAIN_CONTENT_MARKED on my own site?: Paste your URL into the box above and it runs only this rule, usually in a couple of seconds. It is also included in the AI Agent Readiness checker and in a full scan.

A main content region is declared

How this rule is weighted

Questions about this rule

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A main content region is declared

How this rule is weighted

Questions about this rule

Tags

Related AI Agent Readiness rules