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.

Technical University of Denmark (DTU)
Skills you'll gain: Chemical Engineering, Sustainable Technologies, Chemistry, Sustainable Engineering, Sustainable Development, Sustainable Systems, Process Engineering
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Communication, Communication Strategies, Influencing, Verbal Communication Skills, Interpersonal Communications, Persuasive Communication, Writing, Business Writing, Motivational Skills, Empathy, Decision Making, Collaboration
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Jenkins, CI/CD, SonarQube, Continuous Integration, DevOps, Apache Tomcat, Apache Maven, Docker (Software), Continuous Deployment, Continuous Delivery, Build Tools, Configuration Management, Software Configuration Management, Application Lifecycle Management, Shell Script, Application Deployment, Continuous Monitoring, Software Development, Software Development Tools, User Accounts
Beginner · Specialization · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Community Mental Health Services, Substance Abuse, Stress First Aid, Crisis Intervention, Mental Health, Mental Health Diseases and Disorders, Community Health, Social Determinants Of Health, Behavioral Health, Psychosocial Assessments, Diversity Awareness, Cultural Diversity
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Validation, Microsoft Excel, Spreadsheet Software, Data Entry, Data Integrity, Microsoft Office
Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Prompt Engineering, Generative AI Agents, Tool Calling, Agentic systems, User Interface and User Experience (UI/UX) Design, Human Computer Interaction, OpenAI, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Program Evaluation, Education and Training, Teaching, Instructional and Curriculum Design, Survey Creation, Data Analysis Software, Education Software and Technology, Qualitative Research, Statistical Analysis
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Plant Operations and Management, Equipment decontamination, Biology, Environment
Beginner · Course · 1 - 3 Months

The Chinese University of Hong Kong
Skills you'll gain: Human Musculoskeletal System, Sports Medicine, Pulmonology, Respiration, Endocrinology, Cardiology, Anatomy, Physiology, Kinesiology, Orthopedics, Neurology
Beginner · Course · 1 - 3 Months

Skills you'll gain: User Story, Business Requirements, Requirements Analysis, Requirements Elicitation, Business Analysis, User Requirements Documents, Gap Analysis, Project Documentation, Functional Specification, Diagram Design, Process Analysis, Business Process Modeling, Needs Assessment
Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Recurrent Neural Networks (RNNs), Tensorflow, Data Pipelines, Keras (Neural Network Library), Transfer Learning, Deep Learning, Convolutional Neural Networks, Natural Language Processing, Embeddings, Model Evaluation
Intermediate · Course · 1 - 3 Months

Deep Teaching Solutions
Skills you'll gain: Blended Learning, Human Learning, Interactive Learning, Course Development, Student Engagement, Instructional Strategies, Digital pedagogy, Teaching, Pedagogy, Learning Strategies, Learning Theory, Student-Centred Learning, Education Software and Technology, Higher Education, Collaborative Software, Driving engagement
Beginner · Course · 1 - 4 Weeks