Improving your ad relevance, landing page experience, and expected click-through rate can all improve your quality score on Google Ads. To improve ad relevance, ensure that your ad copy and keywords are closely related to each other, and that your ad copy speaks directly to the user's intent. For landing page experience, make sure that your landing pages are optimized for mobile and have a clear call to action. For expected click-through rate, focus on creating ads that are compelling, engaging, and accurately reflect the content of your landing page.