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 Michigan
Skills you'll gain: Continuous Improvement Process, Student-Centred Learning, Innovation, Education and Training, Process Improvement, Instructional Strategies, Higher Education, Program Evaluation, International Relations, Systems Thinking, Adult Learning Principles, Visionary, Community Organizing, Policy Analysis, Leadership, Community Development, Empowerment, Collaboration, Leadership and Management, Critical Thinking
Beginner · Specialization · 3 - 6 Months

University of London
Skills you'll gain: Cryptography, Application Security, Cybersecurity, Data Security, Encryption, Vulnerability Assessments, Information Systems Security, Cyber Attacks, Key Management, Infrastructure Security, Public Key Infrastructure, Authentications, Mobile Security, Data Integrity, Algorithms
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Application Deployment, Cloud Deployment, Web Applications, Javascript, Bootstrap (Front-End Framework), Development Environment, User Interface (UI), Cascading Style Sheets (CSS), Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Peking University
Skills you'll gain: Grammar, Vocabulary, Language Competency, Language Learning, Literacy
Intermediate · Course · 1 - 3 Months

Icahn School of Medicine at Mount Sinai
Skills you'll gain: Anatomy, Pathology, Medical Terminology, Physiology, Patient Evaluation, Diagnostic Tests, Patient Treatment
Intermediate · Course · 1 - 3 Months

Technion - Israel Institute of Technology
Skills you'll gain: Innovation, Creative Problem-Solving, Team Building, Ideation, Creative Thinking, Entrepreneurship, Visionary, Initiative and Leadership, New Product Development, Design and Product, Strategic Planning, Persistence, Overcoming Obstacles, Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Electrical Power, Electric Power Systems, Energy and Utilities, Power Electronics, Systems Integration, Interoperability, Sustainable Technologies, Technical Standard
Beginner · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Decision Making, Behavioral Economics, Public Policies, Diversity Awareness, Compassion, Sociology, Culture, Psychology, Cultural Diversity, Mental Health, Resilience, Critical Thinking, Human Development, Behavioral Health, Personal Development, Social Sciences, Empathy, Mindfulness, Interpersonal Communications, Relationship Building
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: User Experience Design, Wireframing, User Research, Responsible AI, User Centered Design, AI Product Strategy, Usability, Adobe XD, Usability Testing, Generative AI, Figma (Design Software), Design Thinking, Prototyping, User Interface (UI) Design, Persona Development
Beginner · Course · 1 - 4 Weeks

Universidad de Palermo
Skills you'll gain: Team Motivation, Team Building, Teamwork, Recognizing Others, Professional Development, Communication, Human Learning, Creativity, Education and Training, Student Engagement, Sustainable Systems, Emotional Intelligence, Leadership
Beginner · Course · 1 - 4 Weeks

Yale University
Mixed · Course · 1 - 3 Months

Skills you'll gain: React Redux, React.js, Back-End Web Development, Front-End Web Development, UI Components, Web Applications, Application Programming Interface (API), JavaScript Frameworks, Web Design and Development, Authentications, Responsive Web Design, Restful API, User Interface (UI), User Accounts
Intermediate · Course · 1 - 4 Weeks