Google Performance Tools are a set of online resources designed to help users optimize their websites and applications. These tools provide insights into how well a site performs, including loading speed, responsiveness, and overall user experience. By identifying areas for improvement, users can enhance their site's performance and increase visitor satisfaction. Key tools within this suite include PageSpeed Insights, which analyzes web pages and offers suggestions for optimization, and Lighthouse, an open-source tool that audits performance, accessibility, and SEO. Together, these tools empower developers and site owners to create faster, more efficient online experiences.