A free self-paced course from freeCodeCamp that teaches the fundamentals of responsive web design, covering HTML and CSS techniques for building layouts that adapt to different screen sizes.

Commenters point to freeCodeCamp as a solid starting point for learning HTML, CSS, and JavaScript, though these comments mostly refer to the curriculum as a whole rather than this certification specifically.

On Reddit (2)

1. Recommendsnot_a_gumbyr/webdev2021in “Help”▲ 10

   You're 16 - you have some time. It's good to start early. I wish I had. Freelancing on the side for money is a job more complex than just knowing how to build websites - it relies also upon having the business development skills to earn and retain new customers, but thats not really your question…

2. RecommendsTheAnxiousDeveloperr/webdev2020in “How did you self learn javascript? What did you learn before?”▲ 6

   Hi, I apologise in advance. This is going to be a long comment. For a start I totally recommend freecodecamp. It covers the basics for HTML + CSS + JS, and more advanced topics and tools. It also teaches you a fundamental skill of a programmer, which is how to look for solutions online when your…

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