Technical SEO Audit Commander

Perform comprehensive technical SEO audit for [website]. Check: site speed optimization opportunities (Core Web Vitals), mobile responsiveness issues, crawlability and indexation problems, XML sitemap optimization, robots.txt configuration, schema markup implementation gaps, internal linking structure analysis, broken links and redirect chains, duplicate content issues, canonical tag problems, image optimization needs, SSL and security factors, and international SEO considerations. Provide prioritized fix list with implementation guides.