Artificial intelligence is essential for web development because it enables enhanced user experiences, personalized content recommendations, and improved automation. By leveraging AI algorithms and techniques, web developers can create intelligent systems that analyze user behavior, optimize website performance, and automate repetitive tasks. AI-powered chatbots and virtual assistants provide efficient customer support, while machine learning algorithms enable personalized content delivery and targeted marketing strategies. Overall, AI enhances web development by making websites more intelligent, efficient, and capable of delivering tailored user experiences.