Surfer SEO is a content intelligence platform that reverse-engineers what makes pages rank on Google and gives you a real-time optimization guide to match or outperform them. At its core is the Content Editor — a live scoring tool that analyzes your draft against the top 20 ranking pages for your target keyword. It recommends exactly which terms to include, how many times to use them, ideal article length, heading structure, and more. A live Content Score updates as you write, giving instant feedback on optimization progress. Surfer's AI Writing tool (Surfer AI) generates complete, fully optimized articles based on your target keyword, automatically incorporating the terms and structure the algorithm recommends. It produces content that is ready to publish and rank. The Keyword Research tool clusters related keywords by semantic relevance, helping content teams plan comprehensive topic clusters rather than individual pages. The SERP Analyzer breaks down exactly what technical and content factors the top-ranking pages share. Surfer also includes a brief generator for assigning SEO-optimized content outlines to writers, a plagiarism checker, and Grow Flow — a weekly AI-generated list of quick wins to improve existing content and internal linking. Used by over 150,000 content teams, marketing agencies, and SEO professionals, Surfer SEO is the industry standard for data-driven content optimization.