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.

École Nationale des Ponts et Chaussées
Skills you'll gain: Socioeconomics, Social Impact, Sustainable Development, Market Dynamics, Civil Engineering, Economic Development, Market Analysis, Sustainable Technologies, Public Policies, Environmental Policy, Electric Power Systems, Environmental Science, Economics, Cost Benefit Analysis, Climate Change Mitigation, Innovation
Beginner · Course · 3 - 6 Months

AI CERTs
Skills you'll gain: Natural Language Processing, Digital Signal Processing, Data Ethics, Tensorflow, Responsible AI, Augmented Reality, Artificial Intelligence, AI Personalization, Music, Multimedia, Music Performance, Deep Learning, Information Privacy, Creativity
Beginner · Course · 1 - 3 Months

Stanford University
Skills you'll gain: Social Network Analysis, Network Analysis, Social Sciences, Sociology, Socioeconomics, Economics, Policy, and Social Studies, Game Theory, Behavioral Economics, Mathematical Modeling, Statistical Modeling, Markov Model, Bayesian Statistics, Probability, Simulations
Advanced · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Performance Measurement, Search Engine Marketing, Content Performance Analysis, Data-Driven Decision-Making, Search Engine Optimization, Branding, Web Analytics and SEO, Business Metrics, Marketing Strategy and Techniques, Digital Marketing, Customer Engagement, Customer experience strategy (CX), Digital Advertising, Marketing, E-Commerce, Email Marketing, Brand Awareness, Marketing Analytics, Social Media Marketing
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Graphing, Data Analysis, R (Software), General Mathematics, Mathematical Modeling, Algebra, Applied Mathematics, Calculus
Beginner · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: Creative Thinking, Creative Problem-Solving, Creativity, Brainstorming, Architectural Design, Storytelling, Design Thinking, Design Elements And Principles, Curiosity, Empathy, Design Strategies, Critical Thinking and Problem Solving, Teamwork, Creative Design, Collaboration, Cultural Responsiveness
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Systems, Operating Systems, Generative AI, Business Systems, Cybersecurity, Enterprise Security, Servers, Security Awareness, Computer Hardware, Information Systems Security, Computer Architecture, Data Storage, Patch Management, Cloud Computing
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Electrical Engineering, electromagnetics, Simulation and Simulation Software, Design Software, Image Analysis, Engineering Analysis, Numerical Analysis, System Design and Implementation, Applied Mathematics, Physics
Build toward a degree
Advanced · Course · 1 - 3 Months

University of London
Skills you'll gain: Environmental Policy, International Relations, Climate Change Mitigation, Energy and Utilities, Environment, Petroleum Industry, Oil and Gas, Governance, Climate Change Adaptation, Sustainable Development, Policy Analysis, Economics, Security Strategy, Electric Power Systems
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Magnetic Resonance Imaging, Neurology, Medical Imaging, Diagnostic Radiology, Anatomy, Radiology, Image Analysis, Data Analysis, X-Ray Computed Tomography, Data Manipulation, Analytical Skills, Experimentation, Statistical Analysis, Biomedical Technology, Advanced Analytics, Network Analysis, R Programming, Data Processing, Research Design, Statistics
Intermediate · Specialization · 3 - 6 Months

Alex Genadinik
Skills you'll gain: Decision Making, Strategic Decision-Making, Emotional Intelligence, Data-Driven Decision-Making, Critical Thinking, Business Leadership, Analytical Skills, Leadership, Behavioral Economics, Case Studies, Microsoft Excel, Entrepreneurship, Self-Awareness
Mixed · Course · 1 - 3 Months
Khalifa University
Skills you'll gain: Environmental Management Systems, Environment Health And Safety, Environmental Monitoring, Environmental Regulations, Hazardous Waste Operations And Emergency Response Standard (HAZWOPER), Environmental Engineering, Environmental Science, Emergency Response, Regulatory Compliance, Hazard Analysis, Sustainability Standards, Risk Management, Waste Minimization
Beginner · Course · 1 - 4 Weeks