Semrush is the all-in-one digital marketing platform in 2026, powering SEO, content, PPC, social media, competitive research, and local visibility with massive AI-driven tools. It helps win both traditional Google search and AI/GEO discovery (ChatGPT, Gemini, Perplexity). Features include AI keyword insights, content generation, PPC ad optimization, AI visibility tracking, brand monitoring, and more—trusted by 10M+ users and 35% of Fortune 500 for data-backed growth.