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.

John Wiley & Sons
Skills you'll gain: Trustworthiness, Organizational Leadership, Relationship Building, Rapport Building, Drive Engagement, Team Leadership, Leadership Studies, Team Building, Strategic Leadership, Business Leadership, Personal Integrity, Leadership Development, Leadership, Team Motivation, Leadership and Management, Organizational Effectiveness, Teamwork, Honesty, Team Management, Accountability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Management, Threat Modeling, Incident Response, Intrusion Detection and Prevention, Threat Management, Network Security, Operating Systems, Threat Detection, Risk Management, Security Information and Event Management (SIEM), Risk Management Framework, Computer Security Incident Management, Cyber Attacks, Bash (Scripting Language), Security Controls, Cybersecurity, Debugging, File I/O, Linux, SQL
★ 4.9 (7.4K) · Beginner · Professional Certificate · 3 - 6 Months
University of California San Diego
Skills you'll gain: Design Research, Visual Design, Interaction Design, User Experience Design, Statistical Analysis, Usability, Experience Design, UI/UX Research, User Experience, Ideation, User Interface (UI), Experimentation, Interactive Design, Human Computer Interaction, A/B Testing, Human Factors, Collaborative Software, Telecommuting, R Programming, Storyboarding
★ 4.5 (4K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Professionalism, Patient Communication, Payment Processing and Collection, Care Management, Medical Coding, Patient-centered Care, Professional Development, Empathy, Healthcare Ethics, Interpersonal Communications, Teamwork, Emotional Intelligence, Medicare, Cultural Responsiveness, Ethical Standards And Conduct, Conflict Management, Communication, Interoperability, Data Integrity, Time Management
★ 4.8 (1K) · Beginner · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Manufacturing Processes, Schematic Diagrams, Process Flow Diagrams, Computer-Aided Design, Production Process
★ 4.7 (125) · Beginner · Course · 1 - 3 Months

The University of North Carolina at Chapel Hill
Skills you'll gain: Epidemiology, Public Health and Disease Prevention, Public Health, Infectious Diseases, Research Design, Community Health, Health Policy, Research Methodologies, Biostatistics, Science and Research, Correlation Analysis, Clinical Trials, Statistical Analysis, Chronic Diseases, Risk Analysis
★ 4.7 (5K) · Mixed · Course · 1 - 3 Months

Harvard Business School Online
Skills you'll gain: Team Management, Team Leadership, Team Performance Management, Leadership Development, Teamwork, Team Building, Organizational Leadership, Emotional Intelligence, Team Motivation, Team Collaboration, Empathy & Emotional Intelligence, Cross-Functional Team Leadership, Organizational Effectiveness, Leadership, Conflict Management, Relationship Building, Self-Awareness, People Development, Leadership and Management, Business Leadership
Beginner · Specialization · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: Bayesian Statistics, Statistical Inference, Statistical Methods, Probability & Statistics, Statistics, Statistical Modeling, Probability, Statistical Programming, Statistical Analysis, Statistical Software, Probability Distribution, Data Analysis, R Programming, Regression Analysis, R (Software), Analytical Skills, Statistical Visualization, Predictive Modeling, Data Visualization, Data Modeling
★ 4.6 (3.2K) · Intermediate · Course · 1 - 4 Weeks

Rutgers the State University of New Jersey
Skills you'll gain: Political Sciences, Social Studies, Policy Analysis, Social Sciences, Social Justice, Public Policies, Liberal Arts, Public Affairs, Governance, Law, Regulation, and Compliance, Ethical Standards And Conduct
★ 4.8 (43) · Beginner · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Logistic Regression, Analytical Skills, Correlation Analysis, Science and Research, Regression Analysis, Sampling (Statistics), Statistical Hypothesis Testing, Data Literacy, Data Analysis, R Programming, Descriptive Analytics, Descriptive Statistics, Statistical Software, Statistical Modeling, Biostatistics, Model Evaluation, Exploratory Data Analysis, Statistical Analysis, Statistical Programming, R (Software)
★ 4.7 (2.1K) · Beginner · Specialization · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Machine Learning Methods, Generative AI, Data Management, Generative Model Architectures, Big Data, Statistical Machine Learning, Applied Machine Learning, Machine Learning Algorithms, Generative Adversarial Networks (GANs), AI Enablement, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Large Language Modeling, Customer Data Management, AI literacy, Autoencoders, Model Optimization, Deep Learning, Model Evaluation, Algorithms
★ 4.8 (1.1K) · Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Mechanics, Engineering Calculations, Mathematical Software, Mechanical Engineering, Numerical Analysis, Chemistry, Physics, Applied Mathematics, Mathematical Modeling, Differential Equations, Physical Science
★ 4.5 (750) · Advanced · Course · 1 - 4 Weeks