Individual skill

google-ads-quality-score-diagnosis

Use this skill when Quality Score is low, CPCs feel high relative to competitors, or someone asks "why aren't my ads showing" without a budget explanation. Produces a spend-weighted, component-level fix list instead of a vague "improve relevance" note. Triggers: Quality Score, expected CTR, ad relevance, landing page experience, high CPCs, ad rank, "below average" component flags.

skills/john-williams/google-ads-quality-score-diagnosis/SKILL.md

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Last checked: Nov 11, 2026

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Repository stars (not skill ratings): 237
Repository last updated: Oct 20, 2026
License: MIT

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# Quality Score Diagnosis and Prioritization

Applies whenever a keyword-level quality signal is available and CPC or ad-rank
performance is in question.

## The play

1. Treat Quality Score as a diagnostic, not a KPI. Never optimize toward the score
   itself or report it as a headline metric — it exists to point at which of three
   components (expected click-through rate, ad relevance, landing page experience) is
   dragging a keyword down, each rated below average, average, or above average.
2. Weight the fix list by spend, not by score. A below-average component on a keyword
   burning real budget matters far more than the same flag on a keyword that barely
   spends — fix the expensive ones first, and don't chase score on low-volume