Google Ads Quality Score, explained

Quality Score is one of the most talked-about and most misunderstood numbers in Google Ads. Some advertisers ignore it entirely; others treat it as a target to chase for its own sake. The truth sits in between. Quality Score is a diagnostic. It tells you, roughly, how relevant Google thinks your ads and landing pages are to the people searching, and that relevance has a direct effect on what you pay and how often you show.

This guide covers what Quality Score actually is, its three components, why it matters for cost and ad rank, and how to improve each part without falling into the trap of optimising the score instead of the results.

What Quality Score is

Quality Score is a 1 to 10 rating Google assigns at the keyword level. It is an estimate of the quality of your ads and landing pages for a given keyword, based on how that keyword has performed historically and how well your account aligns with what searchers want.

It is reported in your keyword view, alongside its three component ratings, each marked as Below average, Average or Above average. Those components are where the useful information lives. A bare number tells you little; the components tell you what to fix.

It is worth being clear that the reported Quality Score is a simplified, historical indicator. The actual quality signals Google uses to decide each auction are calculated in real time and are more detailed than the single digit you see. Treat the reported score as a guide to where attention is needed, not as a precise lever.

The three components

Quality Score is built from three parts. Each one points to a different area of your account.

Expected click-through rate

This estimates how likely people are to click your ad when it shows for a keyword, setting aside the effect of ad position. If your ad rarely earns clicks for a keyword, Google reads that as a sign of weak relevance.

To improve it, make the ad clearly match the searcher's intent. Use the keyword theme in the headline, lead with the benefit or offer that fits the search, and give people a concrete reason to click rather than generic phrasing. Strong, specific headlines tend to lift expected click-through rate more than anything else.

Ad relevance

This measures how closely your ad text matches the meaning of the keyword. An Average or Below average rating usually means the ad is too generic for the keywords in the group, or the ad group is trying to cover too many different themes at once.

The fix is structural as much as creative. Tightly themed ad groups make ad relevance far easier to achieve, because every keyword in the group is close enough that one set of ads can speak to all of them. This is the same principle behind sound account structure, and it is why grouping keywords carefully pays off across the whole account.

Landing page experience

This rates the page people reach after clicking. Google looks at relevance to the search, usefulness and originality of the content, ease of navigation, transparency, and how quickly and smoothly the page loads, including on mobile.

A great ad pointed at a weak or slow page drags down both Quality Score and results. The page should continue the promise of the ad, load fast, work on a phone, and make the next step obvious. This is where Quality Score overlaps with conversion work, and improving the page often helps your score and your conversion rate at the same time.

Why it matters: cost and ad rank

Quality Score is not a vanity metric. It feeds into ad rank, the calculation that decides whether your ad shows, in what position, and what you pay per click.

Ad rank combines your bid with the quality of your ad and landing page (along with other factors such as context and ad assets). Because quality is part of that calculation, a more relevant advertiser can win a better position than a competitor who bids more but offers a weaker, less relevant experience. In practice, higher quality tends to mean you pay less for the same position, or hold a better position for the same bid.

That is the real reason to care. Improving relevance lowers your effective cost per click and stretches the same budget further, which is a more durable advantage than simply raising bids. It is one of the levers we work on first within our paid search service when an account is paying more than it should.

How the three parts fit together

The components are not independent. They reinforce each other, which is why structure matters so much.

A tightly themed ad group lets you write ads that closely match its keywords, which lifts ad relevance. Relevant ads earn more clicks, which lifts expected click-through rate. Sending those clicks to a page built specifically for that theme lifts landing page experience. Get the structure right and all three tend to move together; leave a sprawling ad group in place and all three struggle at once.

So the practical path to a better Quality Score is rarely a single tweak. It is tight ad groups, ads written for those specific keywords, and landing pages that match the search and convert well.

What Quality Score is not

It is easy to over-fixate on the number. A few things are worth keeping in perspective.

• It is not a score you should chase to 10 across the board. A keyword at 7 that drives profitable conversions is better than a 10 that does not.
• It is not used to rank organic search results. Quality Score lives entirely within Google Ads and has nothing to do with SEO.
• It is not a direct ranking lever you can pull. You influence it indirectly by improving relevance and the landing page; you cannot set it.
• It is not a substitute for measuring conversions and return. The score is a means to lower costs and improve relevance, not the goal itself.

Use it as a diagnostic. If a component reads Below average, you know where to look. If the conversions and cost per acquisition are healthy, do not lose sleep over a keyword sitting at 6.

The landing page connection

Of the three components, landing page experience is the one most advertisers neglect, and the one that overlaps most with the rest of your marketing. A faster, clearer, more relevant page improves your Quality Score and your conversion rate together, which is why it is worth treating as more than an ad-account task.

This is the bridge between paid search and conversion rate optimisation. The same page improvements that satisfy Google's quality signals - speed, clarity, relevance, an obvious next step - are the ones that turn more of your hard-won clicks into enquiries and sales.

Where to focus

If you want to improve Quality Score, work in this order: tighten your ad groups so each one covers a single theme, write ads that use that theme and give a clear reason to click, and point each ad at a fast, relevant page that matches the search and makes the next step easy. Then read the component ratings as a map of where to keep working.

If your account is showing low Quality Scores and high costs, Control Tower can review where relevance is breaking down and where landing pages are letting clicks go to waste. We work with Australian businesses to make paid search more efficient, often by fixing the relevance and landing page issues that quietly inflate cost per click.

---FAQ---

Q: What is a good Google Ads Quality Score? A: Scores of 7 and above are generally considered healthy, but the number matters less than the outcome. A keyword with a moderate score that drives profitable conversions is more valuable than a perfect score that does not, so judge it alongside cost per acquisition.

Q: What are the three components of Quality Score? A: Expected click-through rate, ad relevance and landing page experience. Each is reported as Below average, Average or Above average, and these components tell you where to focus rather than the single combined number.

Q: Does Quality Score affect how much I pay per click? A: Yes. Quality feeds into ad rank, so a more relevant advertiser can hold a better position for the same bid or pay less for the same position. Improving relevance is often a more durable way to lower cost per click than simply raising bids.

Q: Does Quality Score affect my organic Google rankings? A: No. Quality Score applies only within Google Ads and has no effect on organic search rankings. It is a paid search metric and is unrelated to SEO.

Q: How do I improve my landing page experience score? A: Make the page relevant to the search and the ad, ensure it loads quickly and works well on mobile, keep the content useful and clear, and make the next step obvious. These same changes usually improve your conversion rate as well as your score.