What is ‘ad strength’ in a Responsive Search Ad and how should it be interpreted?

Question

Google Ads Fundamentals — Hard

What is ‘ad strength’ in a Responsive Search Ad and how should it be interpreted?

Accepted Answer

Ad strength in a Responsive Search Ad indicates how well the assets work together for relevance and variety. Higher ad strength is correlated with better performance, but it does not determine the ad's eligibility.