Paid Advertising
Quality Score
A Google Ads rating from 1 to 10 that estimates the quality of your keywords, ads, and landing pages relative to other advertisers.
Definition
Quality Score is a 1-to-10 diagnostic in Google Ads built from three parts: expected click-through rate, ad relevance, and landing page experience. A higher score signals that your ad and page are a good match for the search, which lowers your cost per click and improves your ad position.
In depth
Quality Score is Google's shorthand for how relevant your ad is to the person searching. It combines how often your ad is expected to be clicked, how closely your ad copy matches the keyword, and how useful and fast your landing page is. The score is a directional gauge, not the exact value used in the live auction, but it reliably points to what needs fixing.
It matters because it directly affects what you pay. A higher Quality Score lets you win better ad positions at a lower cost per click, so two advertisers bidding the same amount can pay very different prices. Over a full budget, that difference compounds into meaningfully cheaper leads.
The usual mistake is treating it as a vanity number to maximize. We treat Quality Score as a checklist: low scores almost always trace back to a vague ad, a loose keyword, or a slow or off-topic landing page. Fix the underlying relevance and the score, and your costs, follow.
Worked example
Two remodelers bid $3 per click on "bathroom remodel." The one with a Quality Score of 9 might pay $1.80 and rank above the one with a score of 4 who pays the full $3.
Paid Advertising
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