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: Research, Vocabulary, Climate Change Adaptation, Literacy, English Language, Sustainable Technologies, Environment, Environmental Science, Grammar, Emerging Technologies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Google Docs, Document Management, Google Workspace, File Management, Personal Attributes, Personal Development
Beginner · Guided Project · Less Than 2 Hours

DeepLearning.AI
Skills you'll gain: Applied Mathematics, Calculus, Numerical Analysis, Mathematical Modeling, Machine Learning, Python Programming, Regression Analysis, Artificial Neural Networks, Deep Learning, Derivatives
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Blockchain, Cryptography, Digital Assets, Investments, Portfolio Management, Investment Management, FinTech, Asset Management, Financial Analysis, Financial Market, Emerging Technologies, Public Key Infrastructure, Finance, Encryption, Return On Investment, Distributed Computing, Risk Analysis
Mixed · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cucumber (Software), Software Testing, Selenium (Software), Gherkin (Scripting Language), JUnit, Verification And Validation, Test Automation, Unit Testing, Security Testing, Regression Testing, Test Case, Testability, Behavior-Driven Development, Code Coverage, Performance Testing, Development Testing, Test Planning, Acceptance Testing, Software Quality Assurance
Intermediate · Specialization · 3 - 6 Months

University of Toronto
Skills you'll gain: ArcGIS, Spatial Data Analysis, Spatial Analysis, Geographic Information Systems, Geospatial Mapping, GIS Software, Data Mapping, Geospatial Information and Technology, Data Visualization, Metadata Management, Query Languages, Global Positioning Systems, Quantitative Research, Data Compilation, Typography, Data Manipulation, Data Storytelling, Data Modeling, Design Elements And Principles, Image Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Bash (Scripting Language), Operating Systems, File Systems, Linux Commands, Linux, SQL, Unix, Database Management, Command-Line Interface, Relational Databases, Authorization (Computing), Authentications, User Accounts
Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Immunology, Infectious Diseases, Oncology, Internal Medicine, Pathology, Pharmacotherapy, Molecular, Cellular, and Microbiology, Chronic Diseases
Intermediate · Course · 1 - 4 Weeks

Stanford University
Skills you'll gain: Cooking, Meal Planning And Preparation, Health Promotion, Health Education, Nutrition and Diet, Public Health, Behavior Management, Cultural Diversity, Health Informatics, Chronic Diseases
Beginner · Course · 1 - 3 Months

Skills you'll gain: Computer Networking, Network Troubleshooting, TCP/IP, Network Architecture, Network Protocols, OSI Models, Network Routing, Network Infrastructure, Dynamic Host Configuration Protocol (DHCP), Virtual Private Networks (VPN), Network Security, Wireless Networks, Network Model, Data Integrity
Beginner · Course · 1 - 3 Months

Skills you'll gain: LinkedIn, Professional Networking, Social Media, Social Media Content, Professional Development
Beginner · Guided Project · Less Than 2 Hours

Princeton University
Skills you'll gain: Blockchain, Cryptography, Encryption, FinTech, Digital Assets, Network Protocols, Transaction Processing, Data Storage, Distributed Computing, Emerging Technologies, Scripting, Market Dynamics
Mixed · Course · 1 - 3 Months