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Quality Score is a rating Google gives your keywords, from 1 to 10.
10/10: Excellent. Your ad and landing page are useful and relevant.
1/10: Poor. Your ad doesn’t match what people are searching for.
Why does it matter? Google rewards high-quality ads in its auction. With strong quality, you can sometimes pay less than a competitor and still appear above them. Think of it as a discount for being a good advertiser.
Your score is based on three components:
| Expected click-through rate (CTR) | Does Google expect people to click your ad? Good past performance helps. |
| Landing page experience | Is your page relevant, useful and easy to use, including on mobile? |
| Ad relevance | Does your ad text match the intent behind the keyword? |
A closer look at ad relevance: If a user searches for "red tennis shoes":
| Ad | Text | Relevance |
|---|---|---|
| Ad A | "Buy Red Tennis Shoes" | High |
| Ad B | "We Sell Sports Equipment" | Low |
| Ad C | "Blue Trucks for Sale" | None |
To fix low ad relevance, make sure your keywords actually appear in your ad headlines.
Quality Score is a diagnostic tool: it shows how your ads compare with other advertisers. The real-time quality that Google uses in each auction tends to move in the same direction.
| Range | Score | What it usually means |
|---|---|---|
| Strong | 7–10 | Users find your ad relevant. You often pay less per click for the same position. |
| Average | 4–6 | There is room to improve relevance or your landing page. |
| Weak | 1–3 | Google sees your ad as less relevant. You often pay more to stay visible, or your ad shows less. |
Simple rule: If your CPC is too high, check your Quality Score first. You may be paying for low relevance.
Your optimization decisions rely on click-through rate and user behavior. Click fraud distorts both:
Fake engagement: A bot clicks your ad and leaves the website in a fraction of a second. Your reports show more clicks with no engagement, which makes a good ad or landing page look weak.
Misleading CTR: Bot clicks can make an ad look more popular than it is, so you may keep the wrong ad or keyword running.
The solution: ClickSambo blocks these fake clicks, so the data you use to judge your ads and landing pages reflects real people.
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