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: Operations Research, Algorithms, Graph Theory, Linear Algebra, Combinatorics, Computational Thinking, Mathematical Modeling, Theoretical Computer Science, Python Programming
Build toward a degree
Advanced · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Autism Spectrum Disorders, Individualized Education Programs (IEP), Special Education, Nutrition Education, Community Health, School Psychology, Chronic Diseases, Case Studies, Student Support and Services, Nutrition and Diet, Empathy & Emotional Intelligence, Health Education, Health Promotion, School Counseling, Mental and Behavioral Health Specialties, Parent Communication, Care Management, Communication Disorders, Neurology, Behavioral Health
Beginner · Specialization · 3 - 6 Months

University of Western Australia
Skills you'll gain: Diversity Awareness, Diversity and Inclusion, Diversity Equity and Inclusion Initiatives, Cultural Diversity, Workforce Planning, Workplace inclusivity, Employee Engagement, Recruitment, Recruitment Strategies, Talent Sourcing, Human Resource Strategy, Talent Acquisition, Interviewing Skills, Data Collection, Diversity Programs, Employee Onboarding, Organizational Effectiveness, Professional Networking, Job Analysis, Business Metrics
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Closing (Sales), Overcoming Objections, Consultative Selling, Sales, Solution Selling, Sales Presentations, Sales Strategy, Sales Process, Communication, Sales Prospecting, Negotiation, Customer Engagement, Business Ethics, Customer Relationship Management (CRM) Software, Relationship Building, Personalized Service
Beginner · Course · 1 - 4 Weeks

Banco Interamericano de Desarrollo
Skills you'll gain: Climate Change Adaptation, Climate Change Mitigation, Water Resource Management, Energy and Utilities, Environmental Policy, Sustainable Business, Risk Management, Environmental Monitoring, Finance, Innovation
Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: User Experience Design, Wireframing, Application Design, Technical Communication, Prototyping, Web Development, User Research, Usability Testing, Responsive Web Design, Version Control, Brainstorming, Project Planning, Application Programming Interface (API), Javascript, MongoDB
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Descriptive Statistics, Statistical Visualization, Data Transformation, Data Cleansing, Statistical Analysis, Regression Analysis, Probability, Probability Distribution, Sampling (Statistics), Box Plots, Histogram, R Programming, Statistical Methods, Scatter Plots, Microsoft Excel, Probability & Statistics, Statistics, Data Import/Export, Data Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Prompt Patterns, MLOps (Machine Learning Operations), Technical Documentation, Performance Tuning, Large Language Modeling, Technical Writing, Configuration Management, Performance Testing, Data Maintenance, Benchmarking, Requirements Analysis
Intermediate · Course · 1 - 4 Weeks

Multiple educators
Skills you'll gain: Storytelling, Data Storytelling, Business Strategy, Design Thinking, Business Strategies, Sustainable Business, Brand Strategy, Business Solutions, Business Planning, Innovation, Presentations, Market Opportunities, Business Modeling, Design and Product, Business Risk Management, Branding, Strategic Thinking, Process Design, Digital Transformation, Persuasive Communication
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Applied Mathematics, Mathematical Modeling, Matlab, High Voltage, Three-Phase, Electrical Engineering, electromagnetics, Simulation and Simulation Software, Electric Power Systems, Electrical Power, Environmental Science, Environmental Engineering, Design
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Marketing Analytics, Web Analytics, Google Analytics, Key Performance Indicators (KPIs), Marketing Effectiveness, Performance Measurement, Business Metrics, Performance Metric, Marketing Strategies, Digital Marketing, Data-Driven Decision-Making, Return On Investment, Analytics, Heat Maps, Customer Engagement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Project Finance, Business Strategy, Key Performance Indicators (KPIs), Proposal Writing, Organizational Strategy, Return On Investment, Business Metrics, Capital Budgeting, Decision Making
Intermediate · Course · 1 - 4 Weeks