W3Schools Exercises
Test your skills with fill-in-the-blank, drag-and-drop, and coding exercises.
Choose a language and start practicing!
Web Development
Test your web design and coding skills with HTML, CSS, and front-end frameworks.
Start with HTML and CSS, then move on to JavaScript or a framework.
Programming
Test your coding logic and problem-solving across popular programming languages.
Move from syntax to problem-solving and patterns.
Data & Databases
Test your knowledge of databases, data handling, and analysis tools.
From SQL queries to scientific Python workflows.
Course Certification
Get Certified in coding
Complete the W3Schools coding course, strengthen your knowledge, and earn a certificate you can add to your CV, portfolio, and LinkedIn profile.
