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: Trigonometry, Integral Calculus, Calculus, Arithmetic, Advanced Mathematics, Algebra, Geometry, Applied Mathematics, Graphing, Derivatives, Problem Solving
Beginner · Course · 1 - 3 Months

Berklee
Skills you'll gain: Musical Composition, Music Performance, Music, Media Production, Music Theory, Instrumental Music, File Management, Performing Arts, Post-Production, Creativity, Digital Signal Processing, Electronic Media, Editing, Design Software, Peer Review, Automation, Patch Management, Technical Support, System Configuration, System Requirements
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Scripting, Email Automation, Google Workspace, Google Sheets, Automation, Spreadsheet Software, Gmail, Javascript, Hypertext Markup Language (HTML), Web Applications, Application Design, Application Development, Application Programming Interface (API)
Intermediate · 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

Michigan State University
Skills you'll gain: Music Theory, Music, Musical Composition, Classical Music
Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Environmental Regulations, Reliability, Plant Operations and Management
Intermediate · Course · 1 - 4 Weeks

Berklee
Skills you'll gain: Music Theory, Music, Musical Composition, Instrumental Music, Music Performance
Mixed · Course · 1 - 3 Months

Council on Foreign Relations
Skills you'll gain: International Relations, World History, Political Sciences, Social Sciences, Culture, Socioeconomics, Public Policies, Policy Analysis, Strategic Decision-Making, Economics, Governance, Analysis
Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: PHP (Scripting Language), Hypertext Markup Language (HTML), MySQL, Web Applications, Web Development, Cascading Style Sheets (CSS), Development Environment, Back-End Web Development, Database Development, Web Servers, Software Installation, Data Validation
Intermediate · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Natural Resource Management, Technology Solutions, Education and Training
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Logo Design, Color Theory, Design Elements And Principles, Graphic Design, Design, Typography, Storytelling, Layout Design, User Experience Design, Digital Design, Image Quality, Graphic and Visual Design, Adobe InDesign, Graphic and Visual Design Software, Design Research, Information Architecture, Adobe Photoshop, Web Design and Development, File Management
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Verification And Validation, Electronic Systems, Embedded Systems, Electronics Engineering, Application Specific Integrated Circuits, Electronic Hardware, Electronics, Systems Design, Software Design, Program Development, Integrated Development Environments, System Design and Implementation, Computer Architecture, Eclipse (Software), Computational Logic, Hardware Architecture, Software Development, Computer Engineering
Build toward a degree
Intermediate · Specialization · 3 - 6 Months