Make sure you validate your HTML and CSS, using a service like the W3C’s validator. This will warn you about obsolete tags and other errors that may make your HTML less robust.

The Web Development Master Class Certification Bundle contains 35 hours of educational content that will teach you how to code in HTML, CSS, JavaScript, Bootstrap, PHP, MySQL, and more.

All you have to do is store your HTML, JavaScript, and CSS files, and then share a link to your starting HTML file. In fact, Google is eating its own dog food by hosting the instructions on how to ...