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.

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Web Design and Development, Mobile Development, Front-End Web Development, Web Design, Web Development, Application Deployment, Cloud Deployment, User Interface (UI), User Interface (UI) Design, UI Components, Software Engineering
Intermediate · Specialization · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Sustainable Business, Stakeholder Engagement, Sustainable Development, Corporate Sustainability, Risk Management, Climate Change Adaptation, Climate Change Mitigation, Sustainability Reporting, Finance, Asset Management, Banking
Intermediate · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Environment, Chemistry, Environmental Science, Plant Operations and Management, Biochemistry, Laboratory Testing
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Bayesian Statistics, Statistical Modeling, Statistical Methods, Statistical Inference, Statistical Analysis, Regression Analysis, Data Analysis, R Programming, Probability, Probability Distribution
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Payment Systems, Payment Processing, Financial Inclusion, FinTech, Mobile Banking, Emerging Technologies, Point of Sale, Transaction Processing, Security Controls, Innovation, Digital Assets, Value Propositions
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Node.JS, JavaScript Frameworks, Web Development Tools, Web Applications, Front-End Web Development, Web Content, Web Development, HTML and CSS, Software Engineering
Intermediate · Guided Project · Less Than 2 Hours
University of Michigan
Skills you'll gain: Logistic Regression, Forecasting, Statistical Methods, Regression Analysis, Plot (Graphics), Data Cleansing, Scikit Learn (Machine Learning Library), Supervised Learning, Data Processing, Statistical Hypothesis Testing, Sports Medicine, Correlation Analysis, Data Preprocessing, Applied Machine Learning, Injury Prevention, Athletic Training, Analytics, Data Analysis, Statistical Analysis, Python Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cybersecurity, Information Technology, Cyber Security Strategy, Cyber Security Policies, Technical Support and Services, Technical Support, Information Systems Security Assessment Framework (ISSAF), Computer Security Awareness Training, Security Awareness, Application Security, ISO/IEC 27001, Network Security, Data Security, Information Assurance, General Networking, Computer Hardware
Beginner · Course · 1 - 4 Weeks

Wesleyan University
Skills you'll gain: Motivational Interviewing, Psychological Evaluations, Cognitive Behavioral Therapy, Mental Health Diseases and Disorders, Mental Health Therapies, Behavioral Health, Mental and Behavioral Health, Psychiatry, Psychotherapy, Clinical Psychology, Mental Health, Cultural Diversity, Psychiatric Assessments, Psychology, Experimentation, Health Education, Interpersonal Communications, Culture, Clinical Assessment, Goal Setting
Beginner · Specialization · 3 - 6 Months

Universidade de São Paulo
Skills you'll gain: Social Studies, Culture, World History, Timelines, Social Sciences, Sociology, Anthropology, Cultural Diversity, European History, Ancient History, Art History, Public History, International Relations, Cultural Sensitivity, Conflict Management, Community Development
Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Energy and Utilities, Transportation Operations, Governance, Systems Thinking, Technology Roadmaps, Emerging Technologies, Technology Strategies, Innovation, Internet Of Things, Digital Transformation, Sustainable Systems, Case Studies
Beginner · Course · 1 - 3 Months

Snowflake
Skills you'll gain: Data Engineering, Data Pipelines, Database Management, Data Manipulation, Databases, Data Transformation, Extract, Transform, Load, Data Warehousing, Change Control, DevOps, Cloud Development, SQL, Data Integration, CI/CD, Application Development, Artificial Intelligence and Machine Learning (AI/ML), Role-Based Access Control (RBAC), Software Development Tools, Stored Procedure, Data Analysis
Beginner · Professional Certificate · 1 - 3 Months