Surfer SEO is a leading AI-powered content optimization platform in 2026, specializing in on-page SEO, SERP analysis, real-time content editing, AI article generation, and visibility in both Google and AI search engines. It features tools like Content Editor, Surfer AI, Audit, Internal Linking, and AI Tracker, with integrations for Google Docs/WordPress. Credit-based plans support creators, agencies, and teams for data-driven ranking improvements.