An SEO audit analyzes a website to evaluate performance factors like traffic, technical errors, and user experience. The audit examines the website's objectives, domain authority, keyword strategy, competitors, technical elements, page content, user experience, backlinks, and social media presence. The goal is to identify optimization opportunities to improve the website's performance and rankings. Key areas covered include speed, redirects, duplicate content, broken links, user behavior metrics, backlink quality and relevance, and social media engagement.