Why Your Google Ads Quality Score Is Costing You Money — And How to Fix It

Google Ads Quality Score is one of the most financially consequential metrics in paid search — and one of the most commonly neglected. Advertisers with low Quality Scores (below 7) are paying up to 2× more per click than competitors for the same keyword in the same auction. At scale, that compounds into hundreds of thousands of rupees in wasted spend every month. After auditing 200+ Google Ads accounts, here is exactly what we find — and fix — every time.

How Google Calculates Quality Score

Quality Score is a 1–10 integer rating assigned to each keyword in your Google Ads account. It is calculated from three sub-components, each rated as Below Average, Average, or Above Average: Expected Click-Through Rate (eCTR), Ad Relevance, and Landing Page Experience.

Quality Score is a diagnostic tool reflecting Google's estimate of your ad quality relative to other advertisers bidding on the same keyword. A QS of 7 means you are performing at roughly the average for your competitive set. A QS of 9 or 10 means you are a top-quality advertiser for that keyword.

The Financial Impact of Quality Score

Google's auction uses Ad Rank to determine both ad position and actual CPC: Ad Rank = Max CPC Bid × Quality Score × Ad Extensions Impact. Quality Score is directly multiplicative with your bid. A high-QS advertiser with a lower bid can beat a low-QS advertiser with a higher bid — and pay significantly less per click.

• QS 10 — pay up to 50% BELOW the average CPC for that keyword
• QS 7 — pay roughly the market-average CPC (the baseline)
• QS 5 — pay approximately 25% MORE than average
• QS 3 — pay approximately 67% MORE than average
• QS 1 — pay up to 400% MORE than average; ads may not show at all on competitive queries

On a campaign spending ₹5L/month, the difference between a portfolio average QS of 5 vs. QS of 8 can represent ₹1.5–2L in monthly wasted spend. Fixing Quality Score is one of the highest-ROI activities in paid search management.

How to Diagnose Your Quality Score Problems

In Google Ads, go to Keywords, click the Columns button and add: Qual. Score, Exp. CTR, Ad Relevance, and Landing Page Exp. Sort by Impressions descending. For each keyword rated 7 or below with significant spend, check which component is rated Below Average.

• Exp. CTR is Below Average: Your ads are not compelling relative to competitors — ad copy is the issue
• Ad Relevance is Below Average: Your ads do not closely match the keyword's intent — ad group structure is the issue
• Landing Page Experience is Below Average: Google does not consider your landing page useful for the keyword — page quality and relevance is the issue
• All three are Below Average: The ad group has been neglected for a long time — fundamental restructure required

Fix 1: Improving Expected Click-Through Rate

Expected CTR is Google's prediction of how likely someone is to click your ad for a given keyword, calibrated against historical CTR data across all advertisers on that keyword. If your eCTR is Below Average, your ads generate fewer clicks than average — signalling that your ad is less appealing or relevant to searchers.

• Include the primary keyword in your first headline — Google bolds it in results, improving visual relevance
• Use specific numbers and statistics: 'Increase Leads by 40%' outperforms 'Grow Your Business'
• Include price points if competitive: 'From ₹4,999/month' qualifies clicks and improves conversion rate simultaneously
• Use emotional triggers: fear of loss ('Stop Wasting Ad Budget'), social proof ('Trusted by 500+ Brands')
• Write 3–5 Responsive Search Ad (RSA) variants per ad group and let Google identify the best combinations
• Add all available ad extensions: sitelinks, callouts, structured snippets, call, location — these expand your ad and improve CTR organically

Fix 2: Improving Ad Relevance

Ad Relevance measures how closely your ad copy relates to the keywords in your ad group. The most common cause of poor Ad Relevance is over-broad ad groups containing many different keyword themes. Google cannot serve one ad that is highly relevant to all of them.

The solution is tighter ad group structure. Split a broad 'digital marketing services' ad group containing SEO, social media, and PPC keywords into separate theme-based ad groups where every keyword is semantically related and every headline can specifically address that intent.

1. Export your keywords and group them by semantic similarity and specific intent
2. Create new ad groups for each tightly themed cluster (5–15 keywords per group maximum)
3. Write 3 RSA headlines per group that naturally include the primary keyword phrase
4. Ensure every keyword in the group appears naturally in at least one headline
5. Pause old over-broad ad groups rather than deleting them — preserve historical data

Fix 3: Improving Landing Page Experience

Landing Page Experience is the most impactful component to fix and the most neglected. Google evaluates whether your landing page is genuinely useful and relevant to the user who just clicked your ad. The most common failures: sending all ad traffic to the homepage rather than a dedicated landing page; landing pages that do not mention the keyword or ad topic; and slow-loading pages that fail Core Web Vitals.

• Create dedicated landing pages for each ad group theme — never send paid traffic to the homepage
• Include the primary keyword in the H1 heading, first paragraph, and at least one subheading
• State the value proposition clearly within the first visible area — users immediately understand what you offer
• Pass Core Web Vitals — especially LCP under 2.5 seconds on mobile
• Add trust signals: client logos, testimonials, certifications, review counts
• Match the CTA in the ad to the CTA on the page — if your ad says 'Get a Free Audit,' the page should prominently feature that offer
• Ensure the page works flawlessly on mobile — over 60% of Google searches are on mobile devices

The 30-Day Quality Score Recovery Timeline

1. Week 1: Export all keywords. Identify the 20 with highest spend and QS below 7. Diagnose the primary failing component for each.
2. Week 1–2: Restructure ad groups for Ad Relevance issues. Create tighter theme-based groups.
3. Week 2: Rewrite RSAs for each new ad group with keyword inclusion and strong value propositions.
4. Week 2–3: Build or update landing pages to match each ad group's intent. Fix Core Web Vitals on these pages.
5. Week 3–4: Monitor QS changes. Check eCTR trending upward. Measure conversion rate changes.
6. Day 30: Compare cost per conversion before and after. QS should have improved 1–3 points, translating to 20–40% CPC reduction.

Frequently Asked Questions