What Is Quality Score?
Quality Score is a diagnostic metric in Google Ads, rated from 1 to 10, that estimates how relevant and useful your keywords, ads, and landing pages are compared with other advertisers bidding on the same terms. A higher score means Google judges your advertising to be a better match for what the searcher wants.
Quality Score is reported at the keyword level and is intended as a guide rather than a hard performance figure. It does not directly enter the live auction, but the same underlying quality signals do. Think of it as Google's read-out of how healthy each keyword is, so you can see where to focus.
It applies across Search campaigns and influences the real-time auction every time your ad is eligible to show. Because it reflects relevance, it rewards advertisers who build tightly themed campaigns rather than broad, generic ones.
The Three Components of Quality Score
Google calculates Quality Score from three factors, each rated as "above average", "average", or "below average". The first is expected click-through rate, which predicts how likely your ad is to be clicked when it shows for a keyword. The second is ad relevance, which measures how closely your ad copy matches the intent behind the keyword. The third is landing page experience, which assesses whether the page people reach after clicking is relevant, transparent, and easy to use, including how quickly it loads on mobile.
Improving any of these components lifts the overall score. The most common wins come from grouping closely related keywords together, writing ad copy that mirrors the search term, and sending clicks to a focused landing page rather than a generic homepage.
Why Quality Score Lowers Your CPC
Quality Score matters because it directly affects how much you pay. Google combines your bid with your quality signals to calculate Ad Rank, which decides both whether your ad shows and in what position. Because quality is part of that calculation, a strong score lets you achieve a given position while bidding less, so your actual cost per click falls. Two advertisers in the same position can pay very different amounts depending on their quality.
The effect compounds: a higher Quality Score lowers your cost per click, which stretches your budget further, generates more clicks and conversions for the same spend, and ultimately improves your return on ad spend. A poor score does the opposite, forcing you to bid more just to appear, which quietly erodes profitability.
Lifting Quality Score is core to profitable paid search. Our Google Ads management focuses on the relevance and landing-page work that raises scores and lowers costs. You may also want to read about PPC and click-through rate.
FAQ
What is a good Quality Score in Google Ads?
A Quality Score of 7 to 10 is considered good and indicates well-matched keywords, relevant ads, and a strong landing page. Scores of 5 to 6 are average, while anything below 5 signals that the keyword, ad, or landing page needs attention.
How does Quality Score lower my cost per click?
Google rewards relevant ads with lower costs. A higher Quality Score improves your Ad Rank, which means you can win the same ad position while bidding less. In practice, advertisers with high Quality Scores often pay significantly less per click than competitors with poor scores.