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 Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Public Key Cryptography Standards (PKCS), Brute-force attacks, Key Management, Advanced Encryption Standard (AES), Encryption, Data Integrity, Information Systems Security, Cybersecurity, Authentications, Information Assurance, Data Security, Theoretical Computer Science, Computational Logic, Algorithms
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Musical Composition, Peer Review, Music Performance, Music Theory, Music
Intermediate · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Family Support, World History, Culture, Sociology, Social Sciences, Cultural Diversity, Anthropology, Liberal Arts, Storytelling, Empathy & Emotional Intelligence, Psychology
Beginner · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Statistical Process Controls, Lean Six Sigma, Six Sigma Methodology, Lean Methodologies, Process Improvement, Team Management, Process Capability, Data Collection, Knowledge Transfer, Team Building, Statistical Hypothesis Testing, Meeting Facilitation, Continuous Improvement Process, Performance Measurement, Conflict Management, Process Analysis, Sampling (Statistics), Quality Control, Team Leadership, Statistics
Intermediate · Specialization · 3 - 6 Months

Rice University
Skills you'll gain: Programming Principles, Python Programming, Development Environment, Computer Programming, Integrated Development Environments, Debugging
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Growth Mindedness, Willingness To Learn, Lifelong Learning, Positivity, Professional Development, Persistence, Innovation, Organizational Change, Adaptability, Cognitive flexibility, Resilience, Personal Development, Leadership Development, Self-Awareness, Growth Strategies, Collaboration
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ancient History, Social Justice, Cultural Diversity, European History, World History, International Relations, Sociology, Social Impact, Political Sciences, Media and Communications
Beginner · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Photography, Photo Editing, Post-Production, Creativity, Lifelong Learning, Photo/Video Production and Technology, Adobe Photoshop, Growth Mindedness, Creative Thinking, Storytelling, Aesthetics, Self-Awareness, Personal Development, Ethical Standards And Conduct, Persistence, Curiosity, Resilience, Overcoming Obstacles, Decision Making, Patience
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, Plot (Graphics), Statistical Visualization, Ggplot2, Dimensionality Reduction, Data Visualization Software, R Programming, Graphing, Data Analysis, Statistical Analysis, Unsupervised Learning
Mixed · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Talent Management, Talent Pipelining, People Development, Employee Onboarding, Employee Coaching, Talent Recruitment, Performance Review, Talent Acquisition, Performance Management, Leadership Development, Recruitment Strategies, Coaching, Performance Measurement, Recruitment, Employee Engagement
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Angular, Development Environment, Program Development, Web Development Tools, JavaScript Frameworks, Javascript, Web Components, Front-End Web Development, Web Development
Beginner · Guided Project · Less Than 2 Hours

California Institute of the Arts
Skills you'll gain: Typography, Infographics, Computer Graphics, Visualization (Computer Graphics), Design, Graphic Design, Graphic and Visual Design Software, Design Elements And Principles, Color Theory, Image Analysis, Creativity
Beginner · Course · 1 - 4 Weeks