Google Ads Quality Score: How to Improve It (And Why It Matters Less Than You Think)

Quality Score is one of the most-discussed and most-misunderstood metrics in Google Ads. The conventional wisdom: "improve Quality Score and CPCs drop 50%." The reality: Quality Score is a useful diagnostic, but it's not the lever most operators think it is.

Here's what Quality Score actually does, when it matters, and the changes that move it.

What Quality Score is

Google's 1-10 score for each keyword in your account, based on three components:

• Expected CTR. How likely users are to click your ad for this keyword.
• Ad relevance. How closely the ad matches the keyword.
• Landing page experience. How relevant and useful the landing page is.

Each component is rated "Below average," "Average," or "Above average." The composite scores 1-10.

Why Quality Score matters

Higher Quality Score means:

• Lower CPC (sometimes meaningfully).
• Higher Ad Rank in auctions (better positions for less spend).
• More impression share at the same budget.

But:

• The CPC discount isn't dramatic for already-high scores. Going from 7 to 10 saves 5-15%, not 50%.
• Quality Score is one factor in Ad Rank, not the only factor. Bid amount still matters more.
• Quality Score is calculated in real-time during auctions; the keyword-level number you see in the UI is a backward-looking proxy.

When Quality Score matters most

Quality Score matters most when:

• Your bids are competitive but you're losing impression share.
• Your CPCs feel high relative to competitors in similar verticals.
• You have keywords with Quality Score 4 or below.

It matters less when:

• You're already running Smart Bidding (Target ROAS, Maximize Conversions, etc.). Smart Bidding considers many signals; Quality Score is one of many.
• You're running Shopping or Performance Max. Quality Score doesn't apply (different ranking system).
• Your account is hitting target ROAS regardless of QS.

For most modern accounts running Smart Bidding, focusing intensely on Quality Score is yesterday's optimization.

The three components — what to actually fix

Expected CTR

Improve by:

• Better ad copy that matches search intent.
• More specific headlines (include the keyword in the headline).
• Promotion-style language for sales periods.
• Testing 3+ ad variations per ad group; pause underperformers.
• Using ad extensions (sitelinks, callouts, structured snippets, prices).

Ad extensions are especially impactful. They expand ad real estate, increase CTR, and improve QS.

Ad relevance

Improve by:

• Tighter keyword grouping per ad group.
• Ads that include the keyword text directly.
• Different ads per ad group rather than one ad serving 50 keywords.
• Avoiding "kitchen sink" ads that try to cover too many products.

Practical example: a single ad group with keywords "running shoes," "men's running shoes," and "trail running shoes" needs different ads than one ad covering all three.

Landing page experience

Improve by:

• Landing page directly relevant to the keyword (not generic homepage).
• Fast load time (under 2.5s LCP on mobile).
• Mobile-friendly, responsive design.
• Clear CTAs.
• Privacy policy, terms of service, contact info.
• Useful, specific content (not thin doorway pages).

Landing page experience is often the lowest-scoring component because operators send all traffic to homepage.

The biggest Quality Score fixes

In rough impact order:

1. Match landing page to keyword

Bid on "espresso beans" → land on /collections/espresso. Don't land on /home or /collections/all-coffee.

This single change typically lifts Quality Score 1-2 points across an account.

2. Improve ad relevance with tight ad groups

Break a 30-keyword ad group into 5 themed ad groups, each with a tailored ad. Quality Score lifts 1-3 points.

3. Add ad extensions

All available extensions:

• Sitelinks (4-10 per campaign).
• Callouts ("Free shipping," "30-day returns").
• Structured snippets (product types, brands).
• Price extensions.
• Promotion extensions (sale info).
• Lead form extensions.

Each extension that runs adds 1-5% CTR. Cumulatively, big QS impact.

4. Improve landing page speed

Under 2.5s LCP for mobile. Affects both Quality Score and conversion rate.

5. Test new ad copy

Three ads per ad group, different angles. Pause low-CTR ads. Iterate weekly on top performers.

Quality Score myths

"QS 10 is the goal."

QS 7-8 with high conversion rate is better than QS 10 with low conversion. Don't optimize for the metric; optimize for performance.

"Pause keywords with QS under 5."

Sometimes QS-5 keywords are profitable. Pause based on ROAS, not QS alone.

"Quality Score history matters."

Mostly false. Google says current performance dominates. Old QS doesn't haunt you for years.

"A single bad keyword tanks the campaign QS."

Each keyword has its own score. One low keyword affects only that keyword's auctions.

Quality Score and Smart Bidding

Modern Smart Bidding strategies (tROAS, Max Conversions, etc.) factor Quality Score implicitly. Improving QS still helps:

• Faster ramp-up of new keywords.
• More efficient bidding by the algorithm.
• Better signal for the optimizer.

But you don't manually adjust bids based on QS anymore — Smart Bidding handles that.

Auditing Quality Score

In Google Ads:

1. Keywords view → Add columns → Quality Score.
2. Sort by Quality Score ascending.
3. Filter by spend (only meaningful keywords).
4. For each low-QS keyword, look at:
   • The component breakdown (Expected CTR, Ad relevance, LP experience).
   • The serving ad copy.
   • The destination landing page.

This 30-minute audit usually surfaces 5-15 quick fixes per campaign.

When to ignore Quality Score

If the keyword:

• Has Quality Score 7+ already.
• Is performing at target ROAS.
• Has no obvious ad/LP misalignment.

Leave it alone. There are higher-impact optimizations.

Common Quality Score mistakes

• Spending hours optimizing QS on low-volume keywords. Diminishing returns.
• Chasing QS at the expense of ROAS. A 4-QS, 5x-ROAS keyword beats a 9-QS, 2x-ROAS keyword.
• Single-keyword ad groups (SKAGs) for QS purposes. Old-school approach. Modern Smart Bidding works fine with broader ad groups.
• Generic landing pages everywhere. "/all-products" page used for every keyword.
• Ignoring extensions. Free CTR boost, free QS boost.

A 30-day Quality Score sprint

If your account has lots of low-QS keywords:

• Week 1: Audit. Identify top 50 spend-weighted keywords with QS under 7.
• Week 2: Fix landing page mapping. Each top keyword has the right landing page.
• Week 3: Rewrite ad copy in low-QS ad groups. Better keyword inclusion, more variants.
• Week 4: Add missing extensions. Implement sitelinks, callouts, prices, promotions.

Most accounts see average QS climb 1-2 points within 30 days. CPCs drop 5-20% on the affected keywords. ROAS improves accordingly.

What "good" looks like

A healthy Quality Score profile:

• 70%+ of keywords scoring 7+.
• No keywords with score under 4 (or paused if QS doesn't improve).
• All three components rated "Average" or "Above average" on most keywords.
• Landing pages directly relevant to ad groups.
• 5-10+ ad extensions running per campaign.

Quality Score isn't a gotcha. It's diagnostic. Treat it that way and the underlying improvements compound across the entire account.