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 Boulder
Skills you'll gain: Sampling (Statistics), R (Software), Statistical Inference, Probability Distribution, R Programming, Statistical Hypothesis Testing, Descriptive Statistics, Statistical Methods, Data Science, Statistics, Data Analysis, Statistical Analysis, Probability, Data Manipulation, Histogram
Build toward a degree
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: ASP.NET, Object Oriented Programming (OOP), Object Oriented Design, Frontend Integration, Programming Principles, Middleware, Application Frameworks, Object-Relational Mapping, Model View Controller, Event-Driven Programming, User Interface (UI), Cascading Style Sheets (CSS), Authentications, Development Environment, Debugging
Beginner · Specialization · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Model Deployment, PyTorch (Machine Learning Library), Generative AI, Deep Learning, Transfer Learning, MLOps (Machine Learning Operations), Convolutional Neural Networks, Software Visualization, Model Evaluation, Computer Vision
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Consultative Selling, Closing (Sales), Sales Management, Communication, Sales Prospecting, Selling Techniques, Sales Presentations, Sales Strategy, Consumer Behaviour, Sales, Sales Presentation, Sales Training, Marketing Psychology, Overcoming Objections, Initiative and Leadership, Solution Selling, Resilience, Sales Process, Persuasive Communication, Sales Support
Beginner · Specialization · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Blended Learning, Pedagogy, Large Language Modeling, Digital pedagogy, LLM Application, Instructional Design, Learning Strategies, Education Software and Technology, Interactive Learning, Educational Materials, AI Personalization, Innovation, Differentiated Instruction, Lifelong Learning, AI Enablement, Human Learning, Solution Design, Adult Learning Principles, Prompt Engineering Tools, Artificial Intelligence
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Matplotlib, Statistical Visualization, Seaborn, Data Visualization, Exploratory Data Analysis, Data Presentation, Plot (Graphics), Data Visualization Software, Descriptive Statistics, Data Storytelling, Pandas (Python Package), Statistical Methods, Data Analysis, Statistics, Statistical Analysis, Data Manipulation, Box Plots, Scatter Plots, Correlation Analysis, Python Programming
Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Machine Learning Algorithms, Applied Machine Learning, Machine Learning, Dimensionality Reduction, Algorithms, Model Evaluation, Linear Algebra
Mixed · Course · 1 - 3 Months

Skills you'll gain: Market Data, Financial Analysis, Return On Investment, Portfolio Risk
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: TCP/IP, Network Architecture, Network Routers, Networking Hardware, General Networking, Network Security, Dynamic Host Configuration Protocol (DHCP), Network Infrastructure, Network Troubleshooting, Computer Networking, Network Protocols, Network Switches, Virtual Local Area Network (VLAN), Scalability
Beginner · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Environmental Policy, Energy and Utilities, Climate Change Mitigation, Environment, International Relations, Environmental Regulations, Policy Analysis, Climate Change Adaptation, Sustainable Technologies, Forecasting, Emerging Technologies
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Tenacity, Persistence, Relationship Building, Personal Attributes, Conflict Management, Self-Awareness, Personal Development, Growth Mindedness, Resilience, Ethical Standards And Conduct, Emotional Intelligence, Professionalism, Self-Discipline, Analytical Skills, Human Development, Psychology, Psychological Evaluations, Psychosocial Assessments, Applied Behavior Analysis, Communication
Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Health Policy, Climate Change Adaptation, Policy Analysis, Environmental Policy, Social Determinants Of Health, Health Systems, Environmental Issue, Sustainable Development, Climate Change Mitigation, Policy Development, Public Health, Environmental Science, International Relations, Governance, Research
Beginner · Course · 1 - 3 Months