W3Schools

W3Schools offers an extensive range of tutorials and reference materials on web development technologies including HTML, CSS, JavaScript, and SQL. It features interactive examples and exercises that allow users to practice coding in real-time. W3Schools is designed to be accessible to learners of all levels, providing clear explanations and step-by-step guides. The platform also includes certifications and quizzes to help users test their knowledge and track their progress. W3Schools is a valuable resource for both beginners and experienced developers seeking to enhance their web development skills.