The growing sophistication of web applications and their central role in digital environments make delivering peak performance and strong security. Traditional monitoring and security mechanisms often fail to keep up with evolving cyber threats and performance bottlenecks. In this innovative research paper, we discuss the implementation of AI-embedded approach for anomaly detection and optimization in friction with web applications. AI-driven algorithms allow for real-time detection of performance anomalies, dynamic load balancing, and proactive resource allocation, enhancing overall responsiveness and user experience. In parallel, AI-based security models take advantage of machine learning to identify and counter cyber threats with much higher accuracy and speed, be it DDoS attacks, SQL injection, or zero days, etc. In this work, we introduce a holistic framework for AI-based performance improvement and security enforcement, addressing the efficacy through case studies and empirical evaluation. The results show dramatic advancements in response times, threat detection rates, and durability across the entire system. Utilizing AI-driven guidance, this work contributes to the future of intelligent, secure, and high-performance web applications.