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: Mindfulness, Teaching, Self-Awareness, Classroom Management, Empathy & Emotional Intelligence, Social Studies, Storytelling, Adult Education, Parent Communication, Resilience, Cultural Responsiveness, Stress Management, Emotional Intelligence, Community Development, Collaboration, Liberal Arts
Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Press Releases, Public Relations, Strategic Communication, Media Relations, Marketing Communications, Communication Strategies, Social Media, Target Audience, Content Performance Analysis, Writing, Brand Strategy, Storytelling, Branding
Beginner · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Intellectual Property, Tax Preparation, Contract Management, Team Management, Tax Compliance, Benefits Administration, Law, Regulation, and Compliance, Business Planning, Entrepreneurship, Billing & Invoicing, Risk Management
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Continuous Monitoring, Cloud Security, Disaster Recovery, Network Security, Cloud Services, AI Security, Security Strategy, Cloud Computing Architecture, Cloud Computing, Hybrid Cloud Computing, Infrastructure Security, Cybersecurity, Security Management, Threat Detection, Cloud Management, Encryption, Identity and Access Management
Advanced · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Marketing Analytics, Key Performance Indicators (KPIs), Marketing Effectiveness, A/B Testing, Web Analytics and SEO, Digital Marketing, Customer experience improvement, Performance Metric, Performance Measurement, Marketing Strategies, Mobile Security, Process Optimization, Marketing, Web Applications, Sales
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Program Evaluation, Maternal Health, Nutrition and Diet, Child Health, Social Impact, Research Methodologies, Data Collection, Epidemiology, Public Health and Disease Prevention, Health Policy, Mathematical Modeling, Statistical Modeling, Data Analysis Software
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Business Valuation, Financial Modeling, Corporate Finance, Financial Analysis, Equities, Cash Flows, Financial Statement Analysis, Financial Forecasting, Excel Formulas
Mixed · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Control Systems, Systems Engineering, Mathematical Modeling, Simulation and Simulation Software, Engineering Analysis, Engineering Calculations, Engineering Design Process, Torque (Physics)
Advanced · Course · 1 - 4 Weeks

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Graph Theory, Computational Thinking, Computer Programming
Intermediate · Course · 1 - 3 Months

Eindhoven University of Technology
Skills you'll gain: Case Studies, Service Design, Transportation Operations, Feasibility Studies, Sustainable Systems, Sustainable Development, Data Collection, Customer Analysis, Surveys, Consumer Behaviour
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Application Security, Authorization (Computing), Authentications, Data Validation, Role-Based Access Control (RBAC), Verification And Validation, Security Controls, User Accounts, Configuration Management, Package and Software Management, Cybersecurity, Data Loss Prevention, Identity and Access Management, Software Installation, Middleware, Debugging, Computer Programming, Information Technology, Dependency Analysis
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Strategic Leadership, Strategic Planning, Leadership, Business Planning, Organizational Change, Business Strategy, Planning, Strategic Decision-Making, Collaboration, Organizational Leadership, Change Management, Relationship Building, Influencing
Intermediate · Course · 1 - 4 Weeks