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.

LearnQuest
Skills you'll gain: Containerization, Package and Software Management, Software Testing, Docker (Software), Development Environment, Unit Testing, Scripting, Test Automation, Continuous Integration, IT Automation, Integration Testing, DevOps, Python Programming, Selenium (Software), Web Scraping
Beginner · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Vibrations, Control Systems, Mechanics, Torque (Physics), Mechanical Engineering, Engineering Analysis, Engineering Calculations, Differential Equations, Mathematical Modeling, Simulation and Simulation Software
Advanced · Course · 1 - 4 Weeks

Harvard Business Review
Skills you'll gain: Conflict Management, Constructive Feedback, Team Leadership, Team Building, Negotiation, Coaching, Trustworthiness, Performance Management, Relationship Building, Collaboration, Empathy, Active Listening, Communication
Intermediate · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Court Systems, Legal Proceedings, Adjudication, Legal Strategy, Criminal Investigation and Forensics, International Relations, Appeals, Case Law, Policty Analysis, Research, and Development, Case Studies, Child Development
Mixed · Course · 1 - 3 Months

Tel Aviv University
Skills you'll gain: Student Engagement, Teaching, European History, Research, World History, Social Justice, Cultural Diversity, Social Impact, Research Methodologies, Policy Analysis
Mixed · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Critical Thinking, Legal Technology, AI Enablement, Artificial Intelligence, Communication, Lifelong Learning, Professional Development, Constructive Feedback, Leadership, Adaptability, Creativity, Decision Making, Generative AI
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, LLM Application, Large Language Modeling, AI Workflows, Retrieval-Augmented Generation, Embeddings, Generative AI, Model Evaluation, Hugging Face, Prompt Engineering, PyTorch (Machine Learning Library), Tensorflow, Semantic Web, Natural Language Processing, Artificial Intelligence, Application Development, Analytical Skills, Application Programming Interface (API), Supervised Learning, Computer Programming Tools
Beginner · Specialization · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Energy and Utilities, Case Studies, Facility Management and Maintenance, Property Management, Building Services Engineering, Environmental Management Systems, Sustainable Architecture, Digital Assets, Building Design, Analysis, Auditing, Simulation and Simulation Software
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Robotics, Data Mapping, Real-Time Operating Systems, Simulations, Linear Algebra, Python Programming, Algorithms, Computer Programming
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Amazon Elastic Compute Cloud, Amazon Web Services, Cloud Hosting, Front-End Web Development, React.js, Javascript, Web Development Tools, Full-Stack Web Development, Web Applications, Cloud Security, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks

McMaster University
Skills you'll gain: Lifelong Learning, Willingness To Learn, Learning Strategies, Growth Mindedness, Mentorship, Adaptability, Professional Development, Personal Development, Productivity, Professional Networking, Resilience, Stress Management, Curiosity, Cognitive flexibility
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Public Key Cryptography Standards (PKCS), Cryptography, Data Structures, Algorithms, Encryption, Theoretical Computer Science, Computer Science, Programming Principles, Computational Thinking, IBM Cloud, Advanced Mathematics
Build toward a degree
Advanced · Course · 1 - 4 Weeks