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: Model Based Systems Engineering, Systems Engineering, Requirements Analysis, Test Engineering, Systems Thinking, Systems Architecture, Test Planning, Systems Analysis, Functional Requirement, Risk Management Framework, System Testing, System Requirements, Verification And Validation
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Exploratory Data Analysis, Data Ethics, Feature Engineering, Predictive Modeling, AI Enablement, Responsible AI, Data Visualization, Data Science, Data Synthesis, Data Preprocessing, Data Analysis, Data Manipulation, Model Evaluation, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Model Deployment, Federated Learning, Tensorflow, Transfer Learning, Model Evaluation, Machine Learning, Information Privacy, Application Programming Interface (API), Artificial Neural Networks, Data Visualization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Productivity Software, Collaborative Software, Microsoft Office, Spreadsheet Software, Google Sheets, Data Visualization, Excel Formulas, Data Entry, File Management, Microsoft Excel, Microsoft 365, Data Management
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Object Oriented Programming (OOP), R Programming, Debugging, Functional Design, Programming Principles, Data Manipulation, Data Structures, Software Design Patterns, Performance Tuning, Performance Testing
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Vibe coding, Model Context Protocol, Context Management, AI Workflows, Software Installation, Agentic Workflows, Code Review, System Configuration, Computer Programming Tools, Debugging, Web Development Tools, Software Development, User Interface (UI), Web Development
Intermediate · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Design Thinking, Innovation, Ideation, Human Centered Design, Brainstorming, Strategic Leadership, Leadership, Storyboarding, Customer Engagement, Creative Thinking, Collaboration, Qualitative Research, Empathy
Mixed · Course · 1 - 4 Weeks

Tableau Learning Partner
Skills you'll gain: Data Visualization, Data Visualization Software, Interactive Data Visualization, Tableau Software, Data Presentation, Tree Maps, Dashboard, Heat Maps, Geospatial Mapping, Data Storytelling, Data Manipulation, Data Mapping, Business Analytics
Beginner · Course · 1 - 3 Months

Università Bocconi
Skills you'll gain: Human Capital, Governance, Sustainable Development, International Relations, Strategic Thinking, Human Resources, Cultural Diversity, International Finance, Policy Development, Stakeholder Management, Strategic Partnership
Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Computational Thinking, File I/O, Data Collection, Simulations, Data Analysis, Microsoft Visual Studio, C (Programming Language), Statistical Analysis, Automation, Program Development, Data Structures, Programming Principles, Algorithms, Computer Programming, Theoretical Computer Science, Data Storage, Descriptive Statistics, Data Visualization Software, Debugging
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Good Clinical Practices (GCP), Informed Consent, Clinical Research, Clinical Trials, Clinical Research Ethics, Institutional Review Board (IRB), Drug Development, Record Keeping, Clinical Documentation, Regulatory Compliance, Patient Communication
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Open Source Technology, Music, Musical Composition, Aesthetics, Music History, Collaborative Software, Data Sharing, Creativity, Digital Publishing, Content Creation
Intermediate · Course · 1 - 4 Weeks