A technical SEO audit focuses on various aspects like site speed, mobile usability, crawlability, security (HTTPS), and indexation issues. It also reviews server response codes, sitemaps, and structured data to ensure search engines can efficiently crawl and index your site.A technical SEO audit focuses on various aspects like site speed, mobile usability, crawlability, security (HTTPS), and indexation issues. It also reviews server response codes, sitemaps, and structured data to ensure search engines can efficiently crawl and index your site.