Google Ads Quality Score explained (and how to improve it)

Quality Score is Google's way of deciding whether you deserve to pay £1 or £5 for the same click. It's a 1–10 rating that directly affects your ad rank and your CPC. Understanding it is the difference between profitable Google Ads and expensive ones.

What Quality Score measures

Three things: expected click-through rate (how likely your ad is to get clicked relative to competitors), ad relevance (how closely your ad matches the search term), and landing page experience (how useful and relevant your page is to the searcher). Each component is rated Below Average, Average, or Above Average.

How it affects what you pay

Google uses Quality Score to calculate your actual CPC. A Quality Score of 10 can mean paying 50–70% less per click than a competitor with a score of 3 bidding on the same keyword. That's why small businesses with great Quality Scores can outbid large competitors with worse scores despite lower budgets.

Lever 1: Improve ad relevance

Create tightly-themed ad groups with 5–10 keywords each, not 50. Write ad copy that mirrors the exact search terms. If someone searches 'emergency plumber Manchester', your ad headline should literally contain 'Emergency Plumber Manchester'. Don't stuff one ad group with loosely related keywords.

Lever 2: Improve expected CTR

Use ad extensions — sitelinks, callouts, structured snippets. Write headlines that create urgency or specificity ('Same-day appointment', 'No call-out fee'). Test multiple ad variations and let Google optimise toward the highest-CTR version.

Lever 3: Improve landing page experience

Fast load speed (under 3 seconds on mobile), clear relevance to the ad, easy navigation, and a obvious call-to-action above the fold. A landing page that matches your ad's promise and loads quickly can lift your Quality Score by 2–3 points in a week.

AdPulse shows your CPC and CTR trends across Google and every other platform, so you can see whether your Quality Score improvements are actually reducing costs. Start free.