Some of the best free SEO audit tools are Google Search Console and Ubersuggest. You should use Google Analytics to track your website's performance. You can try Screaming Frog for a detailed site analysis. You should check out SEOptimer for an easy-to-understand audit. You can use Moz's free SEO tools to track keyword rankings. You should consider using HubSpot's website grader for quick insights. You can try Woorank for an overall site audit. You should explore Ryte for content and technical SEO analysis. These free tools can help you improve your website's SEO and performance.