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  1. HTML & CSS Exercises - W3Schools

    W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, …

  2. JSFiddle - Code Playground

    JSFiddle - Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle.

  3. Frontend & Full-Stack Coding Challenges | 120+ Projects

    Build portfolio-ready projects with 120+ frontend and full-stack challenges. Practice HTML, CSS, JavaScript, React, Node, and more — free to start.

  4. CodePractice coding exercises for JavaScript, HTML, CSS and React.

    Practice coding exercises individually or as a class. Improve your programming skills and pass technical interviews.

  5. HTML and CSS Practice Projects to Boost Developer Skills

    Jul 23, 2025 · This article will examine seven HTML, CSS, and JavaScript projects to boost your web development game and developer skills. Try them today.

  6. Test Your Skills with Quizzes | HTML, CSS, JavaScript

    Challenge your knowledge of HTML, CSS, and JavaScript with our interactive quizzes. Perfect for beginners and advanced learners to practice coding concepts.

  7. 10 Best Websites to Practice HTML and CSS in 2025 [Free + Paid]

    Nov 7, 2025 · Explore our curated list of best websites to practice HTML and CSS to improve your programming skills with top interactive exercises and challenges.

  8. Projects using HTML / CSS - CodeChef

    This page provides hands-on exercises, quizzes, and coding problems to help you practice and improve your HTML and CSS skills. You can type actual HTML/CSS code, see the output in …

  9. HTML/CSS Practice - Codesandbox

    Explore this online HTML/CSS Practice sandbox and experiment with it yourself using our interactive online playground. You can use it as a template to jumpstart your development with …

  10. Practice projects in HTML & CSS | Codecademy

    In this project, we’re going to practice merging to master in Git so you can hone your skills and feel confident taking them to the real world. Why? Learning how to merge your branch to …

  11. 50 Projects in 50 Days – HTML/CSS and JavaScript - Coding Stella

    Feb 23, 2025 · In this course, you’ll build 50 unique projects using HTML, CSS, and JavaScript. Each project helps you learn and practice different web development techniques.

  12. Top 10 Projects For Beginners To Practice HTML and CSS Skills

    Jul 12, 2025 · Building projects not only helps you practice but also teaches you how HTML and CSS work together to create stunning front-end designs. The question is: what beginner …

  13. 50 HTML, CSS & JavaScript Projects with Free Source Code for …

    Jul 15, 2024 · Kickstart your web dev skills with 50 beginner HTML, CSS, and JavaScript projects! Get free source code, step-by-step guides, and practical examples to build clocks, calculators, …

  14. JavaScript Exercises - W3Schools

    Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.

  15. 200+ HTML, CSS, and JavaScript Projects from Beginner to …

    Aug 28, 2025 · Get hands-on experience with 200+ HTML, CSS, and JavaScript projects with source code designed for beginners to advanced developers. Improve your web development …

  16. Practice Exercises: JS, HTML, & CSS #1 - CodeSandbox

    Explore this online Practice Exercises: JS, HTML, & CSS #1 sandbox and experiment with it yourself using our interactive online playground. You can use it as a template to jumpstart your …

  17. HTML CSS JavaScript - Free Online Editors and Tools

    Free online HTML, CSS and JavaScript live editor. HTML, CSS and JS are the parts of all websites that users directly interact with. Our free online tool collection

  18. MDN Web Docs

    The MDN Web Docs site provides information about Open Web technologies including HTML, CSS, and APIs for both Web sites and progressive web apps.

  19. W3Schools Exercises

    Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java and XML.

  20. html-css-js-exercises - Codesandbox

    Explore this online html-css-js-exercises sandbox and experiment with it yourself using our interactive online playground. You can use it as a template to jumpstart your development with …

  21. HTML Exercises - W3Schools

    Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.

  22. Use data attributes - HTML | MDN

    Nov 6, 2025 · Use data attributes HTML is designed with extensibility in mind for data that should be associated with a particular element but need not have any defined meaning. data-* …

  23. Practice w/ html, CSS and javascript - CodeSandbox

    Explore this online Practice w/ html, CSS and javascript sandbox and experiment with it yourself using our interactive online playground. You can use it as a template to jumpstart your …

  24. HTML Online Editor - W3Schools

    HTML Editor With our online HTML editor, you can edit HTML, CSS and JavaScript code, and view the result in your browser.