Several free SEO tools are available to analyze websites and improve performance. Google Search Console is a must-have. It helps track your site's performance and alerts you to any issues. Another great option is Google Analytics. It provides detailed insights into website traffic and user behavior. Ubersuggest offers free keyword research, backlink analysis, and site audit features. Moz's Link Explorer is useful for analyzing backlinks and checking domain authority. SEOquake is another free tool that provides on-page SEO audits and useful metrics. These free tools can help you analyze your website and identify areas for improvement.