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.

Lund University
Skills you'll gain: Climate Change Adaptation, Sustainable Development, Sustainable Design, Governance, Water Sustainability, Sustainable Technologies, Environment, Systems Thinking, Environmental Science, Climate Change Mitigation, Case Studies, Water Resources, Business Modeling, Stakeholder Engagement
Beginner · Course · 1 - 3 Months

Skills you'll gain: Ajax, jQuery, JSON, Debugging, JavaScript Frameworks, Application Programming Interface (API), Web Applications, Javascript, Game Design, HTML and CSS, User Interface (UI) Design
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Continuous Monitoring, Performance Analysis, Project Risk Management, Risk Analysis, Risk Mitigation, Risk Management, Project Documentation, Management Reporting, Change Control, Trend Analysis, Variance Analysis, Data Quality, Stakeholder Communications
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Windows Servers, Computer Security, Linux Administration, Contingency Planning, Disaster Recovery, Authorization (Computing), Linux, Linux Servers, Microsoft Windows, Authentications, Business Continuity Planning, Operating System Administration, OSI Models, User Accounts, Group Policy, Security Management, Ubuntu, Systems Administration, Virtualization, Cybersecurity
Beginner · Specialization · 3 - 6 Months

Rutgers the State University of New Jersey
Skills you'll gain: Risk Management, Derivatives, Risk Mitigation, Portfolio Risk, Business Risk Management, Financial Trading, International Finance, Market Research
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Medical Terminology, Obstetrics And Gynecology, Urology, Gynecology, Anatomy, General Medical Tests and Procedures, Medical Records, Pathology, Diagnostic Tests, Physiology
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Oral Expression, Storytelling, Liberal Arts, Cultural Diversity, Social Justice, Social Studies, Writing, Research, Culture
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: TypeScript, Programming Principles, Web Development Tools, Javascript, Web Language
Beginner · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Microservices, Network Monitoring
Intermediate · Course · 1 - 4 Weeks

National Academy of Sports Medicine
Skills you'll gain: Exercise Science, Nutrition and Diet, Nutritional Assessment, Sports Medicine, Nutrition Education, Physiology, Kinesiology, Endocrinology, Health And Wellness Coaching, Vital Signs, Stress Management, Biochemistry, Systems Of Measurement, Biology
Intermediate · Specialization · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Pivot Tables And Charts, Dashboard, Data Presentation, Data Visualization, Spreadsheet Software, Data Storytelling, Data Visualization Software, Excel Formulas, Data Analysis, Data-Driven Decision-Making, Data Cleansing, Data Validation
Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Text Mining, Natural Language Processing, Data Mining, Unstructured Data, Big Data, Web Scraping, Model Evaluation, Web Analytics and SEO, Machine Learning, Information Architecture, Probability & Statistics
Mixed · Course · 1 - 3 Months