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.

University of Pennsylvania
Skills you'll gain: File I/O, Java Programming, Eclipse (Software), Java, Debugging, Integrated Development Environments, Object Oriented Programming (OOP), Data Structures, Development Environment, Software Design, Programming Principles, Problem Solving
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Ethics, Security Awareness, Computer Security Awareness Training, Ethical Standards And Conduct, Cybersecurity, Information Technology, Responsible AI, Information Privacy, Social Impact, Media and Communications, Personally Identifiable Information, Artificial Intelligence, General Data Protection Regulation (GDPR)
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Infrastructure as Code (IaC), Terraform, Vibe coding, Cloud Infrastructure, Cloud Deployment, Devops Tools, AI Workflows, Amazon Elastic Compute Cloud, Generative AI, Prompt Engineering
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Marketing Analytics, Web Analytics, Google Analytics, Key Performance Indicators (KPIs), Marketing Effectiveness, Performance Measurement, Business Metrics, Performance Metric, Marketing Strategies, Digital Marketing, Data-Driven Decision-Making, Return On Investment, Analytics, Heat Maps, Customer Engagement
Beginner · Course · 1 - 4 Weeks

Automation Anywhere
Skills you'll gain: Robotic Process Automation, Business Process Automation, Automation, Process Design, Return On Investment, Role-Based Access Control (RBAC), Dashboard, Unstructured Data, User Accounts, Project Design, Feasibility Studies, Analytics, Artificial Intelligence, Development Testing, Operational Analysis, Extensible Markup Language (XML), Workflow Management, Business Analytics, Process Analysis, Administration
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Selenium (Software), JUnit, HTML and CSS, Test Automation, Software Testing, Test Script Development, Web Development, Software Quality Assurance, Continuous Integration, Java, Test Execution Engine, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 3 Months
University of California, Irvine
Skills you'll gain: Physiology, Immunology, Infectious Diseases, Cell Biology, Respiration, Pathology, Hematology, Neurology, Cardiology, Microbiology, Molecular Biology, Oncology
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Social Media Management, Social Media, Social Media Marketing, Google Ads, Digital Marketing, Email Marketing, Social Media Strategy, Digital Advertising, Web Analytics and SEO, Online Advertising, Social Media Campaigns, Digital Media Strategy, Paid media, Pay Per Click Advertising, Content Creation, Customer Retention, Search Engine Optimization, Presentations, Generative AI
Beginner · Professional Certificate · 3 - 6 Months

Politecnico di Milano
Skills you'll gain: Organizational Structure, People Management, Project Management, Team Management, Innovation, Project Design, Project Coordination, Agile Project Management, Business Priorities, Business Process Management, Conflict Management, Change Management, Decision Making
Beginner · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Econometrics, Regression Analysis, Probability & Statistics, Statistical Modeling, Statistical Analysis, Correlation Analysis, Time Series Analysis and Forecasting, Economics, Statistical Inference, Probability Distribution, Logistic Regression, Model Evaluation
Build toward a degree
Beginner · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Immunology, Infectious Diseases, Hematology, Physiology, Oncology, Microbiology, Molecular, Cellular, and Microbiology, Epidemiology, Internal Medicine, Chronic Diseases, Public Health and Disease Prevention, Geriatrics, Pathology, Pulmonology, Environment, Pharmacotherapy, Biology, Public Health, Molecular Biology, Cell Biology
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: NSX-T Network Virtualization, Virtual Networking, Virtualization, Network Architecture, Disaster Recovery, Software-Defined Networking, Network Security, Business Continuity Planning, IT Automation, Firewall, Network Routing, Business Transformation, Application Security, Hybrid Cloud Computing
Intermediate · Course · 1 - 3 Months