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.

Duke University
Skills you'll gain: Scientific Methods, Chemistry, Laboratory Research, Systems Of Measurement, Physics, Materials science, Analytical Chemistry
Beginner · Course · 1 - 3 Months

Rice University
Skills you'll gain: Growth Mindedness, Stress Management, Resilience, Mindfulness, Personal Development, Self-Awareness, Compassion, Personal Attributes, Positivity, Empathy, Mental Health, Mental Concentration, Interpersonal Communications, Communication, Emotional Intelligence, Social Impact, Behavioral Health, Cognitive flexibility, Persistence, Overcoming Obstacles
Beginner · Specialization · 3 - 6 Months

École normale supérieure
Skills you'll gain: Sampling (Statistics), Physics, Simulations, Computational Logic, Numerical Analysis, Markov Model, Quantitative Research, Algorithms, Applied Mathematics, Linear Algebra, Integral Calculus
Mixed · Course · 1 - 3 Months

California Institute of the Arts
Skills you'll gain: Information Architecture, Persona (User Experience), UI/UX Strategy, Web Design, User Experience, Wireframing, User Research, User Centered Design, Mockups, Usability Testing, Requirements Analysis, Target Audience, Agile Methodology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Vulnerability Assessments, Vulnerability Management, Vulnerability Scanning, Cyber Security Assessment, Hardening, Threat Management, Patch Management, Cyber Risk, Continuous Monitoring, Threat Detection, Cyber Threat Hunting, Application Security, Security Controls, Cyber Attacks, Cyber Engineering, Cyber Security Policies, Network Security, Cyber Security Strategy, Network Engineering, Web Applications
Intermediate · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: High Voltage, Power Electronics, Electrical Equipment, Electronic Systems, Basic Electrical Systems, Control Systems, Test Equipment, Electric Power Systems, Wiring Diagram, Hardware Troubleshooting, Electrical Safety, Sustainable Technologies, Thermal Management, Emerging Technologies
Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Mathematical Modeling, Epidemiology, Infectious Diseases, Model Evaluation, Simulations, Statistical Modeling, Data Modeling, R Programming, Statistical Methods, Public Health
Intermediate · Course · 1 - 4 Weeks

Università Bocconi
Skills you'll gain: Leadership and Management, Business Management, Team Management, Brand Management, Leadership Studies, Brand Strategy, Innovation, Art History, Fundraising, Data-Driven Decision-Making, Customer Relationship Management, Marketing, Customer experience improvement
Mixed · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Vibrations, Mechanics, Engineering Analysis, Mathematical Modeling, Structural Analysis, Mechanical Engineering, Civil Engineering
Intermediate · Course · 1 - 3 Months

Rice University
Skills you'll gain: Mechanics, Physics, Mechanical Engineering, Engineering Calculations, Calculus, Engineering Analysis, Physical Science, Mathematical Modeling, Problem Solving
Intermediate · Course · 1 - 4 Weeks

Northwestern University
Skills you'll gain: Robotics, Machine Controls, Control Systems, Automation Engineering, Mathematical Modeling, Mathematical Software, Simulation and Simulation Software, Engineering Calculations, Engineering, Mechanics, Mechanical Engineering, Artificial Intelligence, Vibrations, Applied Mathematics, Engineering Analysis, Automation, Virtual Environment, Torque (Physics), Graph Theory, Matlab
Intermediate · Specialization · 3 - 6 Months
Khalifa University
Skills you'll gain: Accident Reporting, Fire And Life Safety, Accident Prevention, Hazard Analysis, Risk Analysis, Human Factors, Safety Training, Safety Standards, Occupational Safety And Health, Risk Management, Risk Modeling, Risk Mitigation, Regulation and Legal Compliance, Investigation, Emergency Response, Root Cause Analysis
Mixed · Course · 1 - 4 Weeks