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: JSON, UI Components, Application Deployment, Web Frameworks, Web Design and Development, Front-End Web Development, Information Architecture, Web Development Tools, Full-Stack Web Development, Web Development, HTML and CSS, Hypertext Markup Language (HTML), Content Management, Cascading Style Sheets (CSS), File Systems, Javascript
Intermediate · Course · 1 - 4 Weeks
University of California San Diego
Skills you'll gain: Biotechnology, Biochemistry, Manufacturing and Production, Food and Beverage, Sustainable Design, Chemical Engineering, Pharmaceuticals, Environment and Resource Management, Biology, Taxonomy, Environmental Science, Microbiology, Process Engineering, Laboratory Testing
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Health Care, Clinical Assessment, Primary Care, Psychosocial Assessments, Maternal Health, Health Assessment, Public Health and Disease Prevention, Patient-centered Care, Behavioral Health, Obstetrics And Gynecology, Gynecology, Community Health, Health Technology, Cultural Diversity, Health Policy, Safety and Security
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Interviewing Skills, Concision, Public Speaking, Persuasive Communication, Cultural Responsiveness, Business Research, Non-Verbal Communication, Professionalism, Negotiation
Mixed · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Restful API, Database Design, Database Application, Databases, NoSQL, MongoDB, Back-End Web Development, Performance Tuning, API Design, Cloud Applications, Authentications, Server Side, Middleware, Scalability, Application Deployment, Web Applications, Web Development, Debugging, Javascript
Intermediate · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Persuasive Communication, Emergency Response, Conflict Management, Patient Communication, Crisis Intervention, Leadership, Collaboration, Teamwork, Interviewing Skills, Safety and Security, Hazard Communication (HazCom), Communication, Cultural Sensitivity, Risk Management, Social Determinants Of Health, Cultural Diversity, Media and Communications, Interpersonal Communications, Verbal Communication Skills, Public Health
Beginner · Specialization · 1 - 3 Months

Universidad de Palermo
Skills you'll gain: Psychology, Human Learning, Learning Theory, Creativity, Human Development, Self-Awareness, Culture, Learning Styles, Language Disorders, Cognitive flexibility, Personal Development, Psychological Evaluations, Mental Health Diseases and Disorders, Intelligence Collection and Analysis, Emotional Intelligence, Diversity Awareness
Beginner · Course · 1 - 4 Weeks

Adobe
Skills you'll gain: Photo Editing, Adobe Photoshop, Photography, Generative AI, File Management, Image Quality, Graphic and Visual Design, Creative Design, Storyboarding, Graphic Design, Editing, Creativity
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Spreadsheet Software, Microsoft Excel, Computer Literacy, Microsoft Office
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Biostatistics, Regression Analysis, Logistic Regression, Statistical Methods, Public Health, Probability & Statistics, Statistical Analysis, Statistical Inference, Advanced Analytics, Statistical Modeling, Predictive Modeling, Model Evaluation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Immunology, Infectious Diseases, Chronic Diseases, Physiology, Hematology, Pathology, Molecular Biology, Diagnostic Tests, Cell Biology, Biochemistry
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Enterprise Architecture, Stakeholder Management, Enterprise Risk Management (ERM), Stakeholder Engagement, Risk Management, Information Technology Architecture, Stakeholder Analysis, Solution Architecture, Governance, Gap Analysis, Business Transformation, Change Management, Business Process Reengineering, Information Systems
Beginner · Course · 1 - 4 Weeks