W3SCHOOL it the best website for any beginner programmer. It is very structured, it starts with the basics concepts and gradually increase to advance. The website not only provides example but you also get an online IDE to practice what you have learned. I became aware of W3SCHOOLS from my first year in college and i have never stopped using it since. It has tutorials on several programming languages like C, C++, SQL, HTML, CSS JAVASCRIPT, plus more. This website has become a reference for me.
LINK TO W3SCHOOLS

Free code camp is a go to website for most programmers because some tutorials has video presentations Upon completing each course, you will receive a certificate with the date and hours and hours of completion. Free code camp can also help you build your portfolio with project based task, which can help you land your first job. Free code camp also has a youtube channel with over a million followers. So, if you are a visual person you can head over to their youtube channel which cover many different programming languages.
LINK TO FREE CODE CAMP

Udemy is the best hands on website for learning computer programming. For a small fee, you can learn any programming language out there. Udemy platform offers professional instructors who will walk you through the process of setting up an environment to start coding, plus they will give you task to create intermediate projects.
LINK TO UDEMY

Lynda now known as linkedIn learning is the most professional website for educational purposes. If you have a linkedIn account you can access thousand of course in computer programming. If you are a student you can access lynda for free, by logging in with your student account. You can also log in and access video tutorials if you have a library card. All you have to do is login with you library credential.
LINK TO LINKEDIN LEARNING

Yes!! You read it correctly. Microsoft offers free courses on different programming languages. You can learn Java, Javascript, C, C++, C#, Azure, .Net and many more for free. You don't even have to create and account. Just head over to their documentation section and start learning.
LINK TO MICROSOFT DOCUMENTATION

And the bonus website is ntu! When i started learning c++, this website helped me so much that I had to bookmark it. It does not have every programming languages but, it covers the main languages that is dominating the market right now. You can learn different languages like C, C++, Java, Javascript, Python, Database.
LINK TO NTU