If you’ve ever wondered why your cost per click keeps climbing while your lead volume stays flat, Quality Score might be the reason. It’s not a vanity metric. It directly affects how much you pay and where your ads show up.
This post breaks down exactly what Quality Score is, how it’s calculated, and what you can actually do to improve it so you stop subsidizing your competitors’ cheaper clicks.
The Three Pillars Google Uses to Judge Your Ads
Before you can fix a low Quality Score, you need to understand what’s feeding into it. Google doesn’t just look at your bid – it evaluates three specific components for every keyword in your account.
Those three components are Expected Click-Through Rate (CTR), Ad Relevance, and Landing Page Experience. Each one is rated as Above Average, Average, or Below Average. Together, they produce your Quality Score on a scale from 1 to 10.
A score of 7 or above is generally considered healthy. Anything below 5 and you’re likely paying a significant premium compared to competitors who’ve done the work to align these three elements.
How Quality Score Changes What You Actually Pay
Here’s where it gets costly. Google uses Quality Score as part of a formula called Ad Rank, which determines both your ad position and your actual cost per click.
Two advertisers can bid the exact same amount on the same keyword. The one with a higher Quality Score will pay less per click and often appear in a better position. That’s not a small edge – it can mean paying 30-50% less for the same traffic.
This is why two businesses in the same industry can have wildly different cost-per-lead figures even with similar budgets. One has optimized for Quality Score, and one hasn’t thought about it at all.
What Expected CTR Is Really Telling You
Expected CTR isn’t based on your actual click-through rate alone. Google predicts how likely your ad is to get clicked based on historical data for that keyword across all advertisers. It’s forward-looking.
If your ad text is generic or doesn’t match what someone is actually searching for, Google predicts fewer people will click it. That drags your score down before your ad even runs enough times to build real data.
The fix here is usually writing tighter, more specific ad copy that directly reflects the intent behind the keyword. If someone searches ‘new construction homes in Raleigh,’ your ad should speak to that specifically – not just ‘Find Your Dream Home Today.’
Ad Relevance: Are Your Ads Actually Matching the Search?
Ad Relevance measures how closely your ad copy matches the keyword it’s triggered by. This is where broad ad groups cause serious damage. When one ad group covers 40 loosely related keywords, no single ad can be truly relevant to all of them.
The solution is tighter ad group structure. Group keywords by tight themes and write ad copy that speaks directly to each theme. It’s more work upfront, but the Quality Score improvement pays for itself in lower CPCs.
If you’re running campaigns for lead generation and struggling with relevance issues across the board, this breakdown of why PPC campaigns fail to convert covers how structural problems like this ripple through your whole account.
Landing Page Experience: The Component Most Advertisers Ignore
This is the one that surprises people most. Google actually evaluates your landing page and factors it into your Quality Score. It’s looking at relevance, transparency, and how easy it is for users to find what they came for.
If your ad promises information about three-bedroom homes in a specific neighborhood but your landing page is a generic homepage with no mention of that, Google notices. So does the visitor – and they leave.
Landing page experience is rated based on factors like page load speed, mobile usability, content relevance to the ad, and whether the page makes the next step clear. A slow, cluttered, or irrelevant page will drag your Quality Score down even if your ads and keywords are well-matched.
Start by making sure each ad group points to a landing page that mirrors the ad’s message as closely as possible. Dedicated landing pages almost always outperform sending traffic to your homepage.
How to Find Your Worst-Performing Keywords by Quality Score
You don’t need to overhaul your entire account at once. Prioritize the keywords that are spending the most with the lowest Quality Scores – that’s where you’re bleeding budget.
In Google Ads, go to your Keywords tab and add the Quality Score column. Sort by spend, then filter for scores of 1-5. These are your priority targets. For each one, check which component is rated Below Average and address that first.
- Below Average Expected CTR → rewrite your ad copy to be more specific and compelling
- Below Average Ad Relevance → tighten your ad groups so fewer keywords share one ad
- Below Average Landing Page Experience → align your landing page content to the keyword’s intent, improve speed, and simplify the layout
Work through these systematically. Even moving a keyword from a 4 to a 6 can meaningfully reduce what you pay per click.
Quality Score Doesn’t Move Overnight – Here’s What to Expect
Some advertisers fix their ad copy and landing pages and then check Quality Score the next morning expecting a 10. It doesn’t work that way. Google needs enough data to re-evaluate your ads, and that takes time and impressions.
For high-volume keywords, you might see changes within a couple of weeks. For lower-volume terms, it can take a month or more. The important thing is to make the right changes and then let them run long enough to be measured properly.
Don’t make multiple changes at once if you can help it. If you change the ad copy and the landing page simultaneously, you won’t know which one moved the needle. Test one element at a time where possible.
Frequently Asked Questions About Quality Score
Does Quality Score affect all campaign types?
Quality Score applies specifically to Search campaigns. Display, Video, and Performance Max campaigns use different relevance signals. For lead generation, Search is usually where Quality Score matters most.
Can a high bid offset a low Quality Score?
Yes, but it’s expensive. You can throw more money at the auction to compensate for a low Quality Score, but you’ll always be paying more than a competitor with a better score bidding the same or less. It’s not a sustainable strategy.
Is a Quality Score of 7 good enough?
Generally yes. A 7 means you’re competitive. A 9 or 10 is ideal but not always achievable depending on the keyword. Focus your energy on anything below 6, especially if it’s driving significant spend.
Do negative keywords affect Quality Score?
Indirectly, yes. Negative keywords prevent irrelevant searches from triggering your ads, which protects your CTR. If your ads are showing for poor-match queries and getting ignored, that expected CTR signal suffers over time.
How often should I check Quality Score?
Once a week is a reasonable cadence for most accounts. If you’re making active changes to ad copy or landing pages, check it every few days to track movement. Don’t obsess over it daily – it needs time to update.