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.

British Standards Institution
Skills you'll gain: Risking, Statistical Methods, Data Ethics, Model Evaluation, Vulnerability Assessments, Statistical Hypothesis Testing, Performance Testing, Verification And Validation, Statistical Analysis, Decision Intelligence, Artificial Intelligence, Artificial Neural Networks, Supervised Learning, Ethical Standards And Conduct, Continuous Monitoring, Deep Learning, Artificial Intelligence and Machine Learning (AI/ML), Performance Analysis, Law, Regulation, and Compliance, Probability & Statistics
Intermediate · Specialization · 3 - 6 Months

Yale University
Skills you'll gain: Health Disparities, Public Health and Disease Prevention, Health Systems, Public Health, Epidemiology, Social Determinants Of Health, Health Equity, Infectious Diseases, Chronic Diseases, Health Policy, Medical Science and Research, Nutrition and Diet, Demography
★ 4.8 (2.2K) · Mixed · Course · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Electronic Systems, Electronics, Electronic Components, Electronics Engineering, Basic Electrical Systems, Electrical Engineering, Engineering Design Process, Hardware Design, Semiconductors, Electrical Systems, Schematic Diagrams, Diagram Design, Performance Testing, Systems Analysis, Engineering Analysis, Engineering Calculations
★ 4.7 (146) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Analytics, Business Analytics, Data Analysis, Data-Driven Decision-Making, Big Data, Analytical Skills, Data Analysis Software, Data Visualization, Statistical Programming, Microsoft Excel, Data Visualization Software, Decision Making, Data Collection, Unstructured Data
★ 4.6 (6.2K) · Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Life Sciences, Biology, Anatomy, Microbiology, Scientific Methods
★ 4.9 (91) · Beginner · Course · 1 - 3 Months

Akamai Technologies, Inc.
Skills you'll gain: HTML and CSS, Responsive Web Design, Hypertext Markup Language (HTML), Web Design and Development, Cascading Style Sheets (CSS), Web Development, Web Applications, Web Design, Front-End Web Development, Animations, Web Content, Embeddings, Color Theory
★ 4.7 (28) · Beginner · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Semiconductors, Electronics, Electronics Engineering, Electronic Components, Simulation and Simulation Software, Electrical Engineering, Simulations, Mathematical Modeling, Engineering Analysis, Model Evaluation, Engineering Calculations
★ 4.6 (154) · Mixed · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Cyber Risk, Cyber Security Policies, Security Management, Cybersecurity, Risk Management, Cyber Security Strategy, Cyber Attacks, Cyber Governance, Cyber Threat Intelligence, Threat Modeling, Infrastructure Security, Telecommunications, Enterprise Security, Security Awareness, General Networking, Exploitation techniques
★ 4.7 (3.3K) · Beginner · Course · 1 - 3 Months
University of Pennsylvania
Skills you'll gain: Resilience, Positivity, Optimism, Overcoming Obstacles, Personal Attributes, Cognitive Behavioral Therapy, Relationship Building, Self-Awareness, Stress Management, Composure, Growth Mindedness, Adaptability, Cognitive flexibility, Meditation & Breathwork, Mindfulness, Recognizing Others, Communication, Mental and Behavioral Health
★ 4.9 (2.4K) · Beginner · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Radiation Therapy, Medical Equipment, Materials science, Semiconductors, electromagnetics, Physics, Emerging Technologies, Laboratory Research, General Science and Research
★ 4.7 (203) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Climate Change Adaptation, Persuasive Communication, Environmental Issue, Media and Communications, Community Outreach, Environmental Policy, Social Sciences, Peer Review, Scientific Methods, Political Sciences, Environmental Science, Hydrology
★ 4.8 (207) · Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Employee Relations, Labor Relations, Accident Prevention, Labor Law, Occupational Safety and Health Administration (OSHA), Occupational Safety And Health, Labor Compliance, Human Resource Management, Staff Management, Safety Culture, Health And Safety Standards, Workplace inclusivity, Conflict Management, Law, Regulation, and Compliance, Negotiation
Beginner · Course · 1 - 4 Weeks