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.

Scrimba
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, User Interface (UI), HTML and CSS, Web Design, Figma (Design Software), Typography, Front-End Web Development, Web Design and Development, Maintainability, Mockups, Web Content Accessibility Guidelines, UI Components, Cascading Style Sheets (CSS), Layout Design, Web Development, Usability, Prototyping, Web Development Tools, Software Engineering
Intermediate · Specialization · 3 - 6 Months

Tsinghua University
Skills you'll gain: Cultural Diversity, English Language, Language Learning, Interpersonal Communications, Oral Comprehension, Rapport Building, Non-Verbal Communication, Vocabulary
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Peer Review, Instructional Design, Education Software and Technology, Parent Communication, Instructional Strategies, Student Engagement, Learning Management Systems, Student Support and Services, Course Development, Collaborative Software, Curriculum Development, Blended Learning, Digital pedagogy, Educational Materials, Community Development, Classroom Management, Teaching, Performance Testing, Collaboration, Planning
Beginner · Specialization · 3 - 6 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Linear Algebra, Artificial Intelligence, Applied Mathematics, Deep Learning, Machine Learning, Supervised Learning, Mathematical Modeling
Beginner · Course · 1 - 3 Months
University of California San Diego
Skills you'll gain: Interaction Design, Usability, Human Centered Design, Mockups, Storyboarding, User Experience Design, Design Thinking, Prototyping, User Interface (UI) Design, User Research, Interviewing Skills
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Front-End Web Development, Frontend Performance, Responsible AI, Data Ethics, Frontend Integration, Generative AI, Code Review, User Interface and User Experience (UI/UX) Design, Prompt Engineering, Software Documentation, UI/UX Strategy, Test Automation, Test Tools, HTML and CSS
Intermediate · Course · 1 - 4 Weeks

Tel Aviv University
Skills you'll gain: Biotechnology, Cell Biology, Life Sciences, Molecular Biology, Biochemistry, Biology, Anatomy, Food and Beverage, Environmental Science
Intermediate · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: SketchUp (3D Modeling Software), 3D Modeling, Computer-Aided Design, Computer Graphics, Visualization (Computer Graphics)
Mixed · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Diversity and Inclusion, Workplace inclusivity, Diversity Equity and Inclusion Initiatives, Diversity Training, People Management, Growth Mindedness, Diversity Awareness, Team Management, Team Leadership, Organizational Leadership, Diversity Programs, Leadership, Open Mindset, Social Justice, Leadership Studies, Empowerment, Personal Development, Self-Awareness, Human Resource Policies, Organizational Change
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Excel Macros, Key Performance Indicators (KPIs), Prompt Engineering, Data Storytelling, Performance Measurement, Regression Analysis, Business Metrics, Continuous Improvement Process, Performance Analysis, Business Process Improvement, Performance Improvement, Statistical Hypothesis Testing, Responsible AI, ChatGPT, Microsoft Excel, Generative AI, Data Visualization, Business Analysis, Statistical Analysis, Business Intelligence
Intermediate · Specialization · 3 - 6 Months
Universidade de São Paulo
Skills you'll gain: Usability Testing, Wireframing, User Interface (UI) Design, Prototyping, Information Architecture, User Experience Design, User Research, UI Components, Style Guides, Cross Platform Development, Design Elements And Principles, Mockups
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Large Language Modeling, ChatGPT, Prompt Engineering, OpenAI API, Vector Databases, Embeddings, System Monitoring, Artificial Intelligence, Model Evaluation
Intermediate · Course · 1 - 3 Months