Google Ads Quality Score, and how to improve it
Quality Score is Google's rating of how relevant your ads are — and it directly decides how much you pay per click. Improving it is how you lower costs without lowering your bids.
By the Media On Tap editorial team · Published 9 September 2026
Two advertisers can bid on the same keyword and pay very different prices for the same position. The reason is Quality Score — Google's 1-to-10 rating of how relevant and useful your ad is to the person searching. A higher Quality Score earns you cheaper clicks and better positions; a low one means you pay a premium to compete. For any Singapore business running Google Ads, improving it is one of the most direct ways to spend less for the same results.
Why it decides your cost
Google does not simply sell the top spot to the highest bidder. It ranks ads by a combination of your bid and your Quality Score, then discounts your actual cost-per-click when your quality is high. The practical effect: a well-optimised account can outrank and undercut a rival who is bidding more but is less relevant. Quality Score is, in effect, a discount you earn by being genuinely relevant.
The three components
- Expected click-through rate. How likely your ad is to be clicked when shown — a signal of how well it matches the query. Compelling, relevant ad copy lifts it.
- Ad relevance. How closely your ad text matches the keyword's intent. An ad that echoes the searcher's actual query reads as more relevant than a generic one.
- Landing page experience. How relevant, useful and fast the page is that the ad points to. Sending clicks to your homepage instead of a matching page is a common, expensive mistake.
Quality Score rewards honesty, conveniently. The way to a high score is to make your keywords, your ad and your landing page genuinely say the same thing and serve the searcher well. There is no trick — being actually relevant is the optimisation.
How to improve it
- Tighten your ad groups. Group closely related keywords together so one specific ad can speak directly to them, rather than one vague ad covering a broad, mixed group.
- Match ad copy to the keyword. Reflect the searcher's actual term and intent in the headline and description. Relevant copy lifts both ad relevance and click-through rate.
- Send clicks to a matching landing page. Point each ad to the page that best answers its keyword — not a generic homepage — and make sure that page is fast and clearly relevant. This is where landing page best practices pay off.
- Use negative keywords. Stop your ads showing for irrelevant searches; clicks from mismatched queries drag down performance and waste budget.
- Improve page speed. A slow landing page hurts landing-page experience directly. Fast pages help your score and your conversions.
What it's worth
Because Quality Score both lowers your cost-per-click and improves your position, working on it compounds — you pay less and appear more, at the same time. It is the single most efficient lever in most underperforming accounts, and it costs nothing but attention. Our guide on lowering your cost-per-click goes further, and Google Ads costs in Singapore puts it in context.
Frequently asked questions
Quality Score runs from 1 to 10. Broadly, 7 and above is healthy, 5-6 is average with room to improve, and below 5 signals a relevance problem worth fixing. But treat it as a diagnostic that points you to weak keywords, ads or landing pages rather than a vanity number to obsess over.
Google ranks ads using both your bid and your Quality Score, and discounts your actual cost-per-click when quality is high. So a higher Quality Score means you can win better positions while paying less per click than a competitor who bids more but is less relevant. Improving it lowers cost without lowering bids.
Expected click-through rate (how likely your ad is to be clicked), ad relevance (how closely your ad matches the keyword's intent), and landing page experience (how relevant, useful and fast the page the ad points to is). All three improve when your keyword, ad and landing page genuinely align.
Common causes are broad ad groups where one ad can't match every keyword, ad copy that doesn't reflect the search term, sending clicks to a generic homepage instead of a matching page, missing negative keywords, and slow landing pages. Tightening relevance across keyword, ad and page is the fix.