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.

Coursera
Skills you'll gain: Project Schedules, Resource Allocation, Scheduling, Timelines, Project Estimation, Resource Planning, Project Planning, Capacity Planning, Project Management, Resource Management, Stakeholder Management, Stakeholder Communications
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Traffic Flow Optimization, Stormwater Management, Public Works, Landscape Architecture, Civil Engineering, Environmental Engineering, Sustainable Development, Health Equity, Architectural Design, Water Resources, Sustainable Design, Community Development, Environmental Issue
Intermediate · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Mathematical Modeling, Epidemiology, Infectious Diseases, Model Evaluation, Simulations, Statistical Modeling, Data Modeling, R Programming, Statistical Methods, Public Health
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Control Systems, Process Control, Machine Controls, Engineering, Scientific, and Technical Instruments, Automation Engineering, Manufacturing Processes, Embedded Software, Electrical and Computer Engineering, Embedded Systems, Electronics, Semiconductors, Laboratory Equipment, Electronics Engineering, Test Equipment, Medical Devices, Performance Tuning, Electronic Components, Mechanical Design, Product Testing, Mathematical Modeling
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: European History, World History, Public History, Ethical Standards And Conduct, Social Justice, Cultural Diversity, Political Sciences, Diplomacy, Governance
Beginner · Course · 1 - 4 Weeks

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

Duke University
Skills you'll gain: Scientific Methods, Chemistry, Laboratory Research, Systems Of Measurement, Physics, Materials science, Analytical Chemistry
Beginner · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Drug Interaction, Contraindication, Patient Education And Counseling, Mindfulness, Patient Referral, Pharmacology, Treatment Planning, Health Care Procedure and Regulation, Pain Management, Patient Safety, Clinical Assessment, Health Care, Clinical Practices, Nursing Practices, Pharmacotherapy, Health Promotion, Health And Wellness Coaching, Mental and Behavioral Health, Patient-centered Care, Music
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Power BI, Dashboard, SQL, Microsoft SQL Servers, Data Security, Data Analysis, Data Visualization Software, Data Modeling, Data Management, Role-Based Access Control (RBAC)
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Modeling, Statistical Machine Learning, Data Science, Statistical Methods, Statistical Analysis, Model Evaluation, Regression Analysis, Predictive Modeling, R Programming, Machine Learning, Classification Algorithms, Supervised Learning, Unsupervised Learning, Machine Learning Algorithms
Build toward a degree
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Calculus, Applied Mathematics, Data Modeling, Estimation, Graphing, Mathematical Modeling, Numerical Analysis, Algebra, Mathematical Software, Engineering Calculations, Linear Algebra, Trigonometry, Operations Research, Data Analysis, Graphical Tools, Derivatives, Mathematical Theory & Analysis, Geometry
Intermediate · Specialization · 3 - 6 Months

Technion - Israel Institute of Technology
Skills you'll gain: Materials science, Semiconductors, Medical Devices, Biomedical Engineering, Chemistry, Analytical Testing, Laboratory Testing, Electronics, Electrical Engineering, Analytical Chemistry, Chemical Engineering, Manufacturing Processes
Mixed · Course · 1 - 3 Months