Here are our topic picks for the best SEO audit tools. Semrush Site Audit ToolThe Semrush Site Audit tool makes it easy to run an SEO audit and fix over 140 potential issues. Semrush On Page SEO CheckerUse the Semrush On Page SEO Checker tool to generate a comprehensive list of improvements to your site's on-page SEO. Google Search ConsoleIf you’re looking for free SEO audit tools, Google Search Console (GSC) is a great option. SEO Audit Best PracticesBefore you get started, you should know a few best practices for running SEO audits.