HTML, CSS, and JavaScript are still essential in web development and understanding them is crucial for developers of all levels.
Frameworks like React, Vue, and Svelte are built on top of these core technologies, reinforcing their importance.
Even in 2025, good design, especially on mobile, remains critical and relies heavily on a solid understanding of HTML, CSS, and JavaScript.
Having a strong foundation in the basics will provide developers with an edge, as it allows for better customization, debugging, and problem-solving capabilities.