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.

Universitat Autònoma de Barcelona
Skills you'll gain: Ancient History, Social Studies, Art History, World History, Anthropology, Writing, Cultural Diversity, Timelines, Language Competency, Political Sciences, Economics
Beginner · Course · 1 - 3 Months

California Institute of the Arts
Skills you'll gain: User Experience Design, Adobe XD, User Interface (UI) Design, User Centered Design, Interaction Design, Prototyping, Wireframing, User Research, User Flows, Application Design, Mockups, Information Architecture, Ideation, Adobe InDesign, Adobe Illustrator
Beginner · Course · 1 - 3 Months
Skills you'll gain: Electronic Systems, Simulation and Simulation Software, Electronics Engineering, Communication Systems, Electrical Engineering, Telecommunications, Electronics, Performance Testing, Technical Design, Wireless Networks, Engineering Design Process, Engineering Analysis, Design, Design and Product, Grant Applications, Data Management
Intermediate · Course · 1 - 4 Weeks

Wesleyan University
Skills you'll gain: Storytelling, Writing and Editing, Editing, Proofreading, Writing, Creativity
Mixed · Course · 1 - 4 Weeks

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
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

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

California Institute of the Arts
Skills you'll gain: Editing, Peer Review, Music, Creativity
Beginner · Course · 1 - 3 Months
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

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

Johns Hopkins University
Skills you'll gain: Sampling (Statistics), Bayesian Statistics, Probability & Statistics, Statistical Inference, Statistical Methods, Statistics, Probability, Probability Distribution, Statistical Analysis, Biostatistics, Statistical Hypothesis Testing
Mixed · Course · 1 - 4 Weeks

Berklee
Skills you'll gain: Musical Composition, Music Theory, Music, Peer Review, Music Performance, Instrumental Music, Classical Music
Beginner · Specialization · 3 - 6 Months