To learn to code by building websites and become an expert in web development, you can follow a comprehensive web development roadmap that includes understanding web development, accessing full information on web development, and utilizing the best platforms to learn web development, starting from beginner to expert levels with a complete web development full course.
Best Platforms
https://web.dev/learn
https://developer.mozilla.org/en-US/curriculum
https://www.freecodecamp.org