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Quality Score

Definition

Quality Score is Google Ads' 1-10 rating of the quality and relevance of your keywords, ads, and landing pages. It directly impacts your Ad Rank, ad position, and actual CPC. Higher Quality Scores reward advertisers with lower costs and better placements, making it one of the most important metrics to optimize.

The Three Components of Quality Score

Quality Score is determined by three factors, each rated as Below Average, Average, or Above Average. Expected CTR predicts how likely your ad is to be clicked. Ad Relevance measures how closely your ad matches the searcher's intent. Landing Page Experience evaluates how useful and relevant your landing page is after the click. All three components are evaluated relative to other advertisers competing for the same keywords. Improving any one component can lift your overall Quality Score.

How Quality Score Affects Your Costs

Quality Score has a multiplicative effect on costs. A Quality Score of 10 can reduce your CPC by up to 50% compared to the average (QS 5), while a score of 1 can increase it by 400%. The formula is: Actual CPC = (Ad Rank of the next advertiser / Your Quality Score) + $0.01. This means two advertisers bidding the same amount can pay dramatically different CPCs. Over a year, the difference between QS 5 and QS 8 can save thousands in wasted ad spend.

How to Improve Quality Score

Organize campaigns into tightly themed ad groups with 10-20 closely related keywords each. Write ad copy that directly includes target keywords in headlines and descriptions. Create dedicated landing pages that match the ad's promise and load quickly. Improve CTR by testing multiple ad variations and using all available ad extensions. Remove underperforming keywords that drag down your account-level Quality Score. These changes compound over time as Google recalculates Quality Score based on recent performance data.

Quality Score Auditing with AdWhiz

AdWhiz analyzes Quality Score across your entire account, identifying keywords with below-average component scores and prioritizing which fixes will have the biggest impact on costs. The audit groups low-QS keywords by root cause: poor CTR, weak ad relevance, or landing page issues, so you can batch your optimization work. The health score factors in Quality Score distribution, alerting you when too many keywords fall below the threshold that keeps your campaigns cost-effective.

Frequently Asked Questions

A Quality Score of 7 or above is considered good. Scores of 8-10 earn significant CPC discounts. Most accounts average around 5-6. Focus on getting your highest-spend keywords to 7+ first, as the cost savings there will have the biggest budget impact.

Google recalculates Quality Score based on recent auction-time performance data. Visible QS in your account updates periodically (not real-time), but the actual Quality Score used in each auction is computed in real time. Significant changes to ad copy or landing pages can shift QS within days to weeks.

Quality Score is only reported for Search keywords. Display campaigns use different relevance signals, and Shopping campaigns use product feed quality instead. However, the underlying principles of relevance and landing page quality still apply across all campaign types.

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