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.

Wesleyan University
Skills you'll gain: Regression Analysis, Data Storytelling, Logistic Regression, Classification And Regression Tree (CART), Statistical Hypothesis Testing, Descriptive Statistics, Statistical Analysis, Statistical Software, Correlation Analysis, Exploratory Data Analysis, Data Manipulation, Decision Tree Learning, Data Presentation, Data Management, Data Analysis, Data Visualization, Model Evaluation, Data Literacy, Machine Learning, Statistics
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Network Architecture, Virtual Networking, Virtualization, Network Planning And Design, Software-Defined Networking, Virtual Private Networks (VPN), Network Protocols, Cloud Infrastructure, Local Area Networks, Wireless Networks, Wide Area Networks, Virtual Machines
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Case Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Structures
Intermediate · Course · 1 - 4 Weeks

Wesleyan University
Skills you'll gain: Court Systems, Civil Law, Legal Proceedings, Litigation and Civil Justice, Property and Real Estate, Economics, Technology Strategies, Compensation Management, Case Studies
Mixed · Course · 1 - 3 Months

Starweaver
Skills you'll gain: Team Motivation, Delegation Skills, Performance Management, Employee Performance Management, Management Training And Development, Emotional Intelligence, People Management, Team Building, Cultural Sensitivity, Leadership, Communication Strategies, Collaboration, Cross-Functional Collaboration
Beginner · 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

École normale supérieure
Skills you'll gain: Sampling (Statistics), Physics, Simulations, Computational Logic, Numerical Analysis, Markov Model, Quantitative Research, Algorithms, Applied Mathematics, Linear Algebra, Integral Calculus
Mixed · 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

Birla Institute of Technology & Science, Pilani
Skills you'll gain: TCP/IP, Network Protocols, Network Infrastructure, Network Security, OSI Models, Network Architecture, Routing Protocols, Wireless Networks, Computer Networking, Network Routing, Network Performance Management, Application Security, Network Model, Software-Defined Networking, Computer Security Awareness Training
Intermediate · Course · 1 - 3 Months
IE Business School
Skills you'll gain: Storytelling, Content Marketing, Brand Strategy, Content Creation, Branding, Marketing Communications, Social Media Content, Brand Awareness, Advertising, Content Strategy, Journalism, Customer Engagement, Presentations, Game Design, Target Audience
Beginner · Course · 1 - 3 Months