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.

Duke University
Skills you'll gain: Color Theory, World Music, Disabilities, Music History, Social Justice, Performing Arts, Community Organizing, Liberal Arts, Interactive Learning, Peer Review, Musical Composition, Cultural Diversity, Aesthetics, Music, Music Theory, Art History, Sociology, Creativity, Critical Thinking, Communication
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Apple iOS, iOS Development, Model View Controller, Software Architecture, Maintainability, Application Design, Mobile Development, Software Design, Software Design Patterns, UI Components, Scalability, Frontend Integration, Application Development, Frontend Performance, Performance Tuning, Data Modeling, Business Logic
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Algorithms, Computational Thinking, Programming Principles, Computer Programming, Computer Science
Advanced · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Video Production, Grammar, Peer Review, Writing, Editing, Proofreading, English Language, Language Competency, Vocabulary, Language Learning, Creativity
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Verification And Validation, Software Quality Assurance, Software Quality (SQA/SQC), Debugging, Maintainability, Regression Testing, Quality Assurance, Data Quality, Issue Tracking, Root Cause Analysis, Business Intelligence, Jira (Software)
Beginner · Course · 1 - 4 Weeks
DeepLearning.AI
Skills you'll gain: Model Evaluation, Applied Machine Learning, Image Analysis, Environmental Monitoring, Convolutional Neural Networks, Artificial Intelligence, Climate Change Mitigation, Artificial Neural Networks, Machine Learning Methods, Deep Learning, Data Processing, Forecasting, Computer Vision, Predictive Modeling, Environmental Science, Supervised Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Scripting Languages
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Content Creation, Content Strategy, Blogs, Target Audience, AI Personalization, Content Marketing, Persona Development, Social Media Content, Brand Strategy, Brand Management, Digital Content, Gap Analysis
Beginner · Course · 1 - 3 Months

Association of International Certified Professional Accountants
Skills you'll gain: Digital Assets, Blockchain, Asset Management, Cybersecurity, Security Awareness, Security Controls, Multi-Factor Authentication, Authentications, Financial Market, Market Data, Financial Regulations, Regulatory Compliance
Beginner · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Water Resources, Water Resource Management, Water Sustainability, Natural Resource Management, Environmental Laws, Environmental Policy, Governance, International Relations, Policy Analysis, Case Studies
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: UI/UX Research, Prototyping, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, AI Personalization, User Experience Design, Design Research, Usability, Figma (Design Software), User Research, Web Content Accessibility Guidelines, Data Storytelling, Interactive Design, Generative AI, Design Strategies, UI Components, User Centered Design, Wireframing, Adobe XD, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Model Deployment, MLOps (Machine Learning Operations), AI Orchestration, Dependency Analysis, Application Deployment, Continuous Deployment, Generative AI, Release Management, Regression Testing, Cloud Deployment, Verification And Validation, Site Reliability Engineering, CI/CD, Model Evaluation, Continuous Delivery, Data-Driven Decision-Making, Application Performance Management, Software Technical Review, Kubernetes, System Requirements
Intermediate · Course · 1 - 4 Weeks