HTML, CSS, and JavaScript courses can help you learn web page structure, styling, and interactivity, along with responsive design and accessibility practices. You can build skills in creating layouts, implementing animations, and optimizing user experiences across different devices. Many courses introduce tools like code editors, version control systems, and browser developer tools, that support testing and refining your projects. By mastering these skills and tools, you’ll be well-equipped to develop engaging websites and applications.

University of Pennsylvania
Skills you'll gain: Labor Law, Contract Review, Arbitration, Contract Negotiation, Law, Regulation, and Compliance, Contract Compliance, Workers Compensation, Legal Risk, Compensation Management, Case Law
Intermediate · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Storytelling, Liberal Arts, Spanish Language, Literacy, Writing and Editing, Language Competency
Mixed · Course · 1 - 3 Months

Yale University
Skills you'll gain: Ancient History, Art History, Architectural Design, Architecture and Construction, Construction, Civil Engineering, European History, World History, Aesthetics, Design Elements And Principles
Beginner · Course · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Algebra, Arithmetic, Mathematical Modeling, Applied Mathematics, Graphing, Probability & Statistics
Beginner · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Trigonometry, Integral Calculus, Calculus, Arithmetic, Advanced Mathematics, Algebra, Geometry, Applied Mathematics, Graphing, Derivatives, Problem Solving
Beginner · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Persuasive Communication, Oral Expression, Storytelling, Data Presentation, Research, Graphic and Visual Design, Persona (User Experience), Statistics, Psychology
Beginner · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Responsive Web Design, Web Design, GitHub, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Version Control, Web Design and Development, Usability, User Interface and User Experience (UI/UX) Design, User Experience, Javascript, Web Content Accessibility Guidelines, Browser Compatibility, User Story, Front-End Web Development, Web Development, Mobile Development, Semantic Web, Git (Version Control System)
Beginner · Specialization · 1 - 3 Months

University of London
Skills you'll gain: Research Methodologies, Research Design, Research, Surveys, Qualitative Research, Social Impact, Writing, Ethical Standards And Conduct, Data Collection, Timelines, Social Sciences
Mixed · Course · 1 - 4 Weeks

Wesleyan University
Skills you'll gain: Integral Calculus, Mathematical Theory & Analysis, Algebra, Advanced Mathematics, Geometry, Calculus, Trigonometry, Graphing
Intermediate · Course · 1 - 3 Months
University of Pennsylvania
Skills you'll gain: English Language, Language Interpretation, Translation, and Studies, Liberal Arts, Literacy, World History, Performing Arts
Beginner · Course · 3 - 6 Months

Meta
Skills you'll gain: Mobile Development, React.js, Web Applications, Event-Driven Programming, Application Development, UI Components, Front-End Web Development, Cascading Style Sheets (CSS), Javascript, Hypertext Markup Language (HTML), Debugging
Beginner · Course · 1 - 4 Weeks
Georgia Institute of Technology
Skills you'll gain: Engineering Analysis, Mechanics, Torque (Physics), Engineering Calculations, Mechanical Engineering, Engineering, Civil Engineering, Structural Analysis, Applied Mathematics, Trigonometry
Mixed · Course · 1 - 3 Months