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.

Wesleyan University
Skills you'll gain: Social Sciences, Psychology, Persuasive Communication, Sociology, Empathy & Emotional Intelligence, Behavior Management, Conflict Management, Research, Diversity Awareness, Ethical Standards And Conduct
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, Node.JS, Full-Stack Web Development, HTML and CSS, JavaScript Frameworks, User Interface (UI), Application Deployment, Application Frameworks, Back-End Web Development, Front-End Web Development, Hypertext Markup Language (HTML), MongoDB, User Interface (UI) Design, Web Design, Middleware, Bootstrap (Front-End Framework), jQuery, Javascript, Databases, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months

The University of Edinburgh
Skills you'll gain: Empathy, Critical Thinking, Research, Diversity Awareness, Open Mindset, Emotional Intelligence, Decision Making
Beginner · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Materials science, Analytical Testing, Engineering, Scientific, and Technical Instruments, electromagnetics, Scientific Visualization, Laboratory Equipment, Electronics, Physics, Image Analysis, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

Universitat Politècnica de València
Skills you'll gain: Web Content Accessibility Guidelines, Disabilities, Mobile Development, Usability, User Interface (UI), Human Computer Interaction, Adobe Acrobat, Web Design, Diversity and Inclusion, Document Management, Hypertext Markup Language (HTML), Web Design and Development, Diversity Equity and Inclusion Initiatives, Microsoft Office, Android (Operating System), Technology Solutions, Android Development, iOS Development
Beginner · Course · 1 - 3 Months

Michigan State University
Skills you'll gain: Fundraising and Crowdsourcing, Grant Writing, Fundraising, Digital Media Strategy, Proposal Writing, Campaign Management, Social Media, Social Media Strategy, Stakeholder Engagement, Brand Marketing, Content Strategy, Content Creation
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Prompt Engineering, Anthropic Claude, Responsible AI, OpenAI API, Cloud Deployment, Cloud Applications, LLM Application, OpenAI, HTML and CSS, ChatGPT, Application Deployment, Mobile Development, API Gateway, Web Applications, Generative AI, Model Deployment, Cloud Security, Data Ethics, Debugging, Artificial Intelligence
Intermediate · Specialization · 3 - 6 Months

University of Geneva
Skills you'll gain: International Relations, Leadership and Management, Strategic Partnership, Marketing, Fundraising, Leadership, Governance, Public Policies, Business, Organizational Strategy, Organizational Structure, World History, Sustainable Development, Cross-Functional Collaboration, Climate Change Mitigation
Beginner · Course · 1 - 3 Months

Universitat de Barcelona
Skills you'll gain: European History, Writing, Music History, Cultural Diversity
Beginner · Course · 1 - 3 Months

University of Virginia
Skills you'll gain: Usability Testing, Agile Product Development, New Product Development, Continuous Delivery, Agile Software Development, User Story, Product Management, Agile Methodology, Product Testing, Agile Project Management, Team Performance Management, Team Management, Design Thinking, Team Building, Team Leadership, DevOps, Customer Analysis, Innovation, Analytics, Business Analytics
Beginner · Specialization · 3 - 6 Months

American Museum of Natural History
Skills you'll gain: Physical Science, Environment, Hazard Analysis, Spatial Data Analysis, Geographic Information Systems, General Science and Research, Environmental Science, Scientific Methods
Mixed · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Public History, Storytelling, Program Evaluation, Media and Communications, Research, Community Outreach, Timelines, Case Studies, Cultural Diversity, Research Methodologies, Creativity, Interviewing Skills
Beginner · Course · 1 - 3 Months