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.

Johns Hopkins University
Skills you'll gain: Artificial Neural Networks, Image Analysis, Event-Driven Programming, Scalability, Deep Learning, C and C++, Performance Tuning, Convolutional Neural Networks, Data-oriented programming, C++ (Programming Language), Digital Signal Processing, Linear Algebra, Distributed Computing, Computer Graphics, System Programming, Mathematical Software, Numerical Analysis, Programming Principles, Computer Architecture, Machine Learning
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Embeddings, Vector Databases, Jupyter
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Data Preprocessing, Feature Engineering, Model Evaluation, Bioinformatics, Exploratory Data Analysis, Random Forest Algorithm, Pandas (Python Package), Scikit Learn (Machine Learning Library), Applied Machine Learning, Data Manipulation, Dimensionality Reduction, Data Cleansing, Keras (Neural Network Library), Data Transformation, NumPy, Classification Algorithms, Tensorflow, Artificial Neural Networks, Machine Learning, Data Science
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Pandas (Python Package), Data Analysis, Exploratory Data Analysis, Data Modeling, Data Manipulation, Jupyter, Matplotlib, Histogram, Scatter Plots, Data Visualization, Programming Principles, Data Cleansing, Data Visualization Software, Python Programming, Scripting
Beginner · Course · 1 - 3 Months

Skills you'll gain: Event-Driven Programming, Debugging, Programming Principles, Algorithms, Video Game Development, Computer Programming Tools, Game Design, Computer Programming, Program Development, Animation and Game Design, Interactive Design, Integrated Development Environments, Computer Science
Beginner · Guided Project · Less Than 2 Hours

Universidad Nacional Autónoma de México
Skills you'll gain: Radiation Protection, Safety Standards, Engineering, Energy and Utilities, Thermal Management, Materials science, Environmental Engineering, Physics, Chemistry, Control Systems
Beginner · Course · 1 - 4 Weeks

University of Copenhagen
Skills you'll gain: Epidemiology, Pulmonology, Pollution Prevention, Environmental Issue, Sustainable Development, Public Health, Respiration, Health Disparities, Public Health and Disease Prevention, Environmental Science, Environmental Monitoring, Health Assessment, Physiology, Chronic Diseases, Vulnerability
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Information Privacy, Personally Identifiable Information, Data Ethics, Law, Regulation, and Compliance, Data Security, Journalism, digital literacy, Emerging Technologies, Media and Communications, Internet Of Things, Algorithms, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Cascading Style Sheets (CSS), JavaScript Frameworks, UI Components, Restful API, Web Applications, Web Development Tools, Web Development, Javascript, Application Development, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours
University of Pennsylvania
Skills you'll gain: Managed Care, Health Systems, Health Care Administration, Health Care Procedure and Regulation, Health Care, Value-Based Care, Medicaid, Insurance, Health Policy, Medicare, Economics, Behavioral Economics, Supply And Demand, Market Dynamics, Long Term Care, Payment Systems, Hospice
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Systems Thinking, Environmental Laws, Sustainable Development, Climate Change Adaptation, Community Development, Land Development, Social Impact, Sustainable Design, Social Justice, Stormwater Management, Environmental Policy, Policy Analysis, Sustainable Technologies, Public Works, Civil Engineering, Climate Change Mitigation, Public Policies, Socioeconomics, Environmental Issue, Environmental Science
Beginner · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Business Ethics, Negotiation, Purchasing, Business Writing, Business Communication, Decision Making, Forecasting, Auditing, Communication, Budgeting, Influencing, Vocabulary, English Language, Leadership, Financial Acumen, Presentations, Communication Strategies, Business Economics, Finance
Mixed · Course · 1 - 3 Months