Quality Score is a metric used by Google Ads to measure the relevance and quality of your ads, keywords, and landing pages. It is a crucial factor in determining the effectiveness and success of your advertising campaigns. The Quality Score is calculated based on a variety of factors, including the click-through rate (CTR) of your ads, the relevance of your keywords to your ads and landing pages, the quality and relevance of your landing page content, and the historical performance of your account.A high Quality Score indicates that your ads are relevant to users' search queries, which can lead to lower costs per click (CPC) and higher ad positions in the search results. On the other hand, a low Quality Score can result in higher CPCs and lower ad positions, making it more difficult to reach your target audience and achieve your advertising goals.Improving your Quality Score can have a significant impact on the performance of your Google Ads campaigns. By optimizing your ads, keywords, and landing pages to be more relevant and engaging to users, you can increase your Quality Score and ultimately drive better results for your business.In conclusion, Quality Score is a key performance indicator in Google Ads that measures the relevance and quality of your advertising campaigns. By focusing on improving your Quality Score, you can enhance the effectiveness of your ads, reduce costs, and achieve better results for your business.