Does SEO_META_DESCRIPTION_LENGTH affect my score?

Yes. It is an importance 5 rule at RESEARCH confidence, so a failure costs 5 × 0.7 points of impact in the SEO category before that category is normalised to 100.

What does RESEARCH confidence mean?

Backed by large-sample study or industry research, not a specification. 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 SEO_META_DESCRIPTION_LENGTH 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 SEO checker and in a full scan.

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Meta description within recommended length

SEO_META_DESCRIPTION_LENGTH

Meta descriptions outside roughly 50-160 characters are often rewritten or truncated by search engines.

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How this rule is weighted

Importance: 5 / 10; How much this matters relative to other rules.
Confidence: RESEARCH; Backed by large-sample study or industry research, not a specification.
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 SEO_META_DESCRIPTION_LENGTH affect my score?: Yes. It is an importance 5 rule at RESEARCH confidence, so a failure costs 5 × 0.7 points of impact in the SEO category before that category is normalised to 100.
What does RESEARCH confidence mean?: Backed by large-sample study or industry research, not a specification. 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 SEO_META_DESCRIPTION_LENGTH 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 SEO checker and in a full scan.

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