Modern websites are no longer simple collections of static pages. Today’s platforms generate thousands of URLs dynamically through JavaScript rendering, faceted navigation, APIs, filters, pagination systems, and complex frontend architectures. As websites scale, technical SEO auditing becomes less about checking metadata and more about handling crawl intelligence at scale. Many audit tools still struggle with: duplicate URL explosion inefficient crawl prioritization JavaScript-heavy rendering massive sitemap processing distributed crawling coordination rate-limit handling real-time issue aggregation The challenge is no longer “finding SEO issues.” The challenge is building systems capable of analyzing millions of crawl signals efficiently without overwhelming infrastructure or missing critical problems.…