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300+ Reference Pages

Simple Dev features over 300 reference pages written in a short, easy-to-read format.

Use the search feature to quickly find a specific tutorial. (Bonus: The results will load as soon as you start typing! You don’t even have to press the Enter key.)


Our HTML, CSS, Markdown, Bootstrap, JavaScript, Terminal, and Git sections all have downloadable exercises that you can work on while reading each tutorial.


We want you to focus on learning to code, so we don’t have any distracting ads on our site.

Cross Platform

Our tutorials include instructions for working on Windows and macOS (unless the topic is centered on a specific platform).

Transferable Skills

Learn transferable skills that apply to multiple areas of software development like Markdown, the terminal, Git, and more.

Set Up Your Local Environment

Learn how to install and configure the software you need to start coding, like VS Code, Git, npm, and more.

Reference Page Format


The Summary feature highlights the key syntax, command, or idea of a topic at the top of the tutorial so you don’t have to spend time skimming through the body of the tutorial.


The Details section expands on the syntax, command, or idea outlined in the Summary feature and provides further explanation or examples to teach the concept.


Our HTML, Markdown, CSS, Bootstrap, JavaScript, Less and Sass sections all feature embedded Pens from CodePen so you can see what the code will look like in the browser.


The References feature links to the main source(s) for a tutorial, so you can verify the accuracy of our articles or dive deeper on a topic if necessary.