Most website audit tools are slow web apps behind a signup wall. SiteAuditor is one command that gives you the full report in seconds, with no account. - SEO: title, meta description, H1, Open Graph, viewport, canonical, alt text - Performance: response time, page size, gzip, caching headers, HSTS, CSP - Broken links: crawls internal links and flags 404s and failures - Exit code scoring, so it drops straight into CI - CSV and JSON export to feed your own tooling Free and open source.