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.

Scrimba
Skills you'll gain: Responsive Web Design, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, HTML and CSS, Web Design and Development, Professional Development, Web Development, Javascript, GitHub
Intermediate · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Social Justice, Social Impact, Sustainable Development, Environmental Issue, Socioeconomics, Community Development, Diversity Equity and Inclusion Initiatives, Systems Thinking, Visionary, Advocacy, Environmental Policy, Policy Analysis, Climate Change Mitigation
Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Data Structures, Distributed Computing, Algorithms, Functional Design, Java Programming, Other Programming Languages, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Statistical Hypothesis Testing, Descriptive Statistics, Statistical Methods, Data Analysis, Statistics, Regression Analysis, Sampling (Statistics), Statistical Analysis, Probability & Statistics, Statistical Inference
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Embedded Systems, Embedded Software, Computer Systems, Internet Of Things, C (Programming Language), Peripheral Devices, Wireless Networks, Computer Architecture, Cybersecurity, Cloud Computing, Development Environment, Debugging
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Requirements Analysis, User Requirements Documents, Software Development Methodologies, Requirements Elicitation, Agile Methodology, Functional Requirement, Software Design Documents, System Requirements, Software Development Life Cycle, Verification And Validation, Technical Communication
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Public Health and Disease Prevention, Research Methodologies, Health Policy, Public Health, Epidemiology, Mental Health, Social Determinants Of Health, Health Disparities, Maternal Health, Mental Health Diseases and Disorders, Cultural Diversity
Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Data Storytelling, Data Presentation, Dashboard, Interactive Data Visualization, Generative AI, Data Ethics, Responsible AI, Infographics, Data Visualization, Anomaly Detection, Excel Formulas, Predictive Modeling, Data Visualization Software, Microsoft Copilot, Business Reporting, Risk Analysis, Text Mining, Predictive Analytics, Automation
Intermediate · Professional Certificate · 3 - 6 Months

Tecnológico de Monterrey
Skills you'll gain: Cost Management, Project Controls, Project Schedules, Project Performance, Earned Value Management, Cost Estimation, Project Estimation, Budget Management, Timelines, Scheduling, Project Planning, Cost Control, Microsoft Project, Budgeting, Performance Measurement, Resource Allocation, Key Performance Indicators (KPIs), Performance Analysis, Estimation, Resource Management
Mixed · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Pain Management, Goal Setting, Patient Education And Counseling, Resilience, Stress Management, Mindfulness, Personal Care, Emotional Intelligence, Chronic Diseases, Cognitive Behavioral Therapy, Behavioral Management, Self-Awareness, Physical Therapy, Exercise Therapy, Communication, Nutrition and Diet
Beginner · Course · 1 - 3 Months

Skills you'll gain: Project Documentation, Lean Six Sigma, Project Management, Project Scoping, Google Docs, Timelines
Beginner · Guided Project · Less Than 2 Hours

IE Business School
Skills you'll gain: Product Marketing, Value Propositions, Target Market, Marketing, Product Strategy, Market Analysis, Marketing Strategy and Techniques, Market Trend, Competitive Analysis, Consumer Behaviour
Beginner · Course · 1 - 4 Weeks