Google Quality Score
Quality Score is a Google Ads rating from 1 to 10 for a search phrase you bid on. Google looks at how often people are expected to click, how closely the ad matches the search, and whether the page after the click is useful. A higher score usually means you pay less for the same spot. It is a hint, not the only thing that decides whether your ad shows.
Theodor Lindfors, Founding Marketer ·
What Quality Score measures
Let's take a software company as an example. They sell customer-relationship software to plumbing businesses as a monthly subscription. The software company finds leads on Google and LinkedIn, then a salesperson closes the deal. In Google Ads, each keyword (the search phrase the software company bids on) gets a Quality Score.
- Expected click-through rate: how likely the ad is to be clicked for that keyword. If people searching plumber CRM (customer relationship software) usually click the software company's ad, this component is healthy.
- Ad relevance: how closely the ad matches what the person searched. An ad about plumber CRM (customer relationship software) is relevant to plumber CRM. An ad about generic software is not.
- Landing page experience: how relevant, usable, and honest the destination is. The demo page should be about plumber CRM (customer relationship software), load quickly, and match the promise in the ad.
Why Quality Score matters
Relevance influences what you pay and whether you show at all. A more relevant ad can win a better position at a lower cost than a less relevant one bidding more. Quality Score is the visible summary of that idea. A software company's plumber CRM (customer relationship software) keyword at Quality Score 8 will usually cost less per click than software at Quality Score 4, even at the same bid.
The number itself is not what runs in the auction. Ad Rank is calculated live, with signals Quality Score does not include, so treat the 1 to 10 as a diagnostic rather than a lever.
How to read Quality Score
Read the three components before the total. Below average landing page experience across an account is a website problem. Below average ad relevance on a few keywords is an ad group structure problem. Those get fixed in different places. If a software company's demo page is slow on mobile, every keyword will look worse on landing page experience.
Weight Quality Score by spend. A Quality Score 4 on a keyword taking a quarter of a software company's Google budget matters. A Quality Score 4 on a keyword with a handful of impressions does not, and cleaning it up will not move CPA (cost per acquisition: spend divided by conversions, such as cost per demo).
Common Quality Score mistakes
- Optimizing for the Quality Score instead of the outcome. A 10 that never books a demo is decoration.
- Averaging Quality Score across the account without weighting by spend.
- Blaming Quality Score for weak results when the offer or the landing page is the real issue.
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