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.

Carnegie Mellon University
Skills you'll gain: Mechanical Engineering, Chemical Engineering, Engineering, Materials science, Chemistry, Physics, Molecular, Cellular, and Microbiology, Mathematical Modeling, Physical Science, Biology
Intermediate · Course · 1 - 3 Months
Curtis Institute of Music
Skills you'll gain: Music Performance, Instrumental Music, Music History, Classical Music, Performing Arts, Music, Music Theory
Intermediate · Course · 1 - 3 Months
École Polytechnique
Skills you'll gain: Physics, Scientific Methods, Science and Research, Engineering, Scientific, and Technical Instruments, Physical Science, Mechanics, electromagnetics, Simulations
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Electronic Components, Electronics, Hardware Design, Music, Embedded Systems, System Configuration, Digital Communications, Creative Design, Physics, Computer Programming
Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Angular, JavaScript Frameworks, Web Components, Application Deployment, Cascading Style Sheets (CSS), TypeScript, Application Frameworks, UI Components, Web Development Tools, Frontend Performance, Data Transformation, Application Design, Server Side, Front-End Web Development, Hypertext Markup Language (HTML), Web Services, Web Applications, Network Routing, Software Architecture, Model View Controller
Beginner · Specialization · 1 - 3 Months

IBM
Skills you'll gain: Exploratory Data Analysis, Data Storytelling, Dashboard, Data Visualization Software, Plotly, Data Visualization, Data Presentation, Interactive Data Visualization, Generative AI, Model Evaluation, SQL, Data Transformation, Data Analysis, Big Data, IBM Cognos Analytics, Excel Formulas, Professional Networking, Data Import/Export, Microsoft Excel, Python Programming
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: UI Components, Email Automation, Payment Systems, Cascading Style Sheets (CSS), User Interface (UI), HTML and CSS, Application Programming Interface (API), Web Development Tools, JavaScript Frameworks, User Interface (UI) Design, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: JSON, Restful API, Web Applications, Application Programming Interface (API), Responsive Web Design, Cascading Style Sheets (CSS), Event-Driven Programming, HTML and CSS, Javascript, Back-End Web Development, Frontend Integration, Web Development, Web Services, Real Time Data, Web Development Tools, Game Design, Hypertext Markup Language (HTML), Servers, Software Development
Intermediate · Specialization · 1 - 4 Weeks

Nanjing University
Skills you'll gain: Physical Science, Physics, Mechanics, Vibrations, General Science and Research, Simulations, electromagnetics, Scientific Methods, Mathematical Modeling
Mixed · Course · 1 - 3 Months

Starweaver
Skills you'll gain: Computer-Aided Design, Engineering Design Process, Engineering, Engineering Practices, Simulation and Simulation Software, Conceptual Design, Sustainable Design, Creativity, Problem Solving, Prototyping, Innovation, User Centered Design, Analytical Skills, User Feedback, Emerging Technologies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Data Literacy, AI Enablement, Data Mining, AI Product Strategy, Generative AI, Big Data, Information Architecture, Strategic Decision-Making, Enterprise Architecture, Cloud Computing, Data Analysis, Data Science, Digital Transformation, Natural Language Processing, Data-Driven Decision-Making, Data Architecture, Robotics, Business Logic, Leadership
Beginner · Specialization · 1 - 3 Months