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.

Arizona State University
Skills you'll gain: Electrical Systems, Safety Standards, Energy and Utilities, Environmental Regulations, Basic Electrical Systems, Electrical Power, Sustainable Technologies, Manufacturing and Production, Manufacturing Processes, Production Process, Chemistry, Electric Power Systems, Thermal Management, Materials science, Reliability, Electrical Safety, Environmental Issue, System Requirements, Chemical Engineering, Technical Standard
Beginner · Specialization · 3 - 6 Months

University of London
Skills you'll gain: Diplomacy, International Relations, Political Sciences, Cultural Diversity, Mediation, Intercultural Competence, Public Affairs, World History, Conflict Management, Policy Analysis
Mixed · Course · 1 - 3 Months

Berklee
Skills you'll gain: Music Theory, Music, Instrumental Music, Musical Composition, Music Performance
Mixed · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Legal Research, Ancient History, Research, Liberal Arts, Cultural Responsiveness, Research Methodologies
Mixed · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Physics, electromagnetics, Experimentation, Cryptography, Laboratory Research, Applied Mathematics, Engineering, Scientific, and Technical Instruments, Emerging Technologies
Mixed · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: AWS Identity and Access Management (IAM), Infrastructure as Code (IaC), Command-Line Interface, Amazon CloudWatch, AWS CloudFormation, Root Cause Analysis, Amazon DynamoDB, Customer Relationship Building, Network Troubleshooting, Amazon Web Services, Customer Relationship Management, Software Architecture, Linux Commands, Cloud Computing, Linux, Amazon S3, Web Applications, Information Technology, Customer Service, Software Development
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Node.JS, Dataflow, Real Time Data, File I/O, Javascript, Event-Driven Programming, Web Development Tools, Server Side, TCP/IP, Front-End Web Development
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Peer Review, Language Learning, Spanish Language, Oral Expression, Grammar, Oral Comprehension, Vocabulary, Culture, Writing and Editing, Language Competency, Research, Writing
Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Unsupervised Learning, Data Ethics, Machine Learning, Supervised Learning, Artificial Intelligence, Reinforcement Learning, Artificial Neural Networks, Deep Learning, Anomaly Detection, Dimensionality Reduction, Algorithms
Beginner · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Transportation Operations, Transportation Management, Network Analysis, Operations Research, Systems Analysis, Operational Analysis, Analysis, Demand Planning, Mathematical Modeling, Econometrics, Markov Model, Behavioral Economics, Economic Development, Economics, Policy, and Social Studies, Cost Benefit Analysis, Market Dynamics, Customer Demand Planning, Probability, Social Impact, Model Evaluation
Mixed · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Vibrations, Hydraulics, Environmental Engineering, Civil Engineering, Mechanical Engineering, Engineering, Mechanics, Chemical and Biomedical Engineering, Simulation and Simulation Software, Applied Mathematics, Biomedical Engineering, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Music, Music Performance, Entrepreneurship, New Business Development, Intellectual Property, Performing Arts, Digital Transformation, Marketing, Innovation, Business Modeling, Revenue Management, Business Ethics, Live Streaming, Media Production
Mixed · Course · 1 - 3 Months