Some effective tools for technical SEO audits include: Google Search Console: For indexing and crawl error reports Screaming Frog: For comprehensive site crawls and audits SEMrush: For site audits and competitor analysis Ahrefs: For backlink analysis and site audits GTmetrix: For page speed analysis Google PageSpeed Insights: For Core Web Vitals and speed optimisation Mobile-Friendly Test: For mobile optimisation checks Schema Markup Validator: For structured data validation