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.

Coursera
Skills you'll gain: Email Marketing, Marketing Analytics, Target Audience, Performance Analysis, Return On Investment, Direct Marketing, Customer Analysis, Marketing Effectiveness, Customer Insights, Marketing Strategy and Techniques, Data Integration, Consumer Behaviour
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Brute-force attacks, Encryption, Network Security, Cybersecurity, Data Storage, Vulnerability Assessments, Wireless Networks, Authentications, Data Security, Cyber Attacks, Drupal, Mac OS, Linux, Blockchain
Intermediate · Course · 1 - 3 Months

Yale University
Skills you'll gain: Social Justice, Environmental Issue, Social Studies, Natural Resource Management, Environment, Environment and Resource Management, Cultural Diversity, Culture, Sustainable Development, Cultural Sensitivity, Economics, Policy, and Social Studies, World History, Land Management, Advocacy, Storytelling
Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), C++ (Programming Language), Application Development, Object Oriented Design, Application Design, Program Development, Business Logic, User Interface (UI), Data Entry, Verification And Validation, Command-Line Interface, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Generative AI, Generative Model Architectures, Responsible AI, Model Deployment, Large Language Modeling, Generative Adversarial Networks (GANs), Natural Language Processing, Embeddings, Transfer Learning, Artificial Intelligence, Python Programming, Machine Learning, Deep Learning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Automation, Behavior-Driven Development, Gherkin (Scripting Language), Software Testing, Unit Testing, Test Script Development, Regression Testing, Test Case, Continuous Integration, Automation, Software Design Patterns, Web Development Tools, Maintainability, Python Programming, UI Components
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Trend Analysis, Data-Driven Decision-Making, Statistical Analysis, Financial Modeling, Python Programming
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, Frontend Performance, Application Deployment, JavaScript Frameworks, Scalability, Software Architecture, Performance Tuning, Node.JS, Web Applications, Web Development Tools, Application Performance Management, Server Side, Enterprise Architecture, Web Analytics and SEO, Maintainability, Debugging
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Salesforce, Administration, Role-Based Access Control (RBAC), Data Sharing, Security Controls, User Accounts, System Configuration, Workflow Management, Data Validation, Object-Relational Mapping, Productivity Software, Data Integrity, Data Quality, Customer Relationship Management (CRM) Software
Beginner · Course · 1 - 3 Months

Technical University of Denmark (DTU)
Skills you'll gain: Jupyter, Medical Imaging, 3D Modeling, Image Analysis, Engineering Analysis, Finite Element Methods, Numerical Analysis, Mathematical Modeling, Materials science, Simulation and Simulation Software, Digital Signal Processing, Python Programming, Applied Mathematics
Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Visualization Software, Visualization (Computer Graphics), C++ (Programming Language), Application Development, Graphing, Computer Graphics, Verification And Validation, Data Validation, Data Structures, Software Testing
Intermediate · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Game Design, Software Engineering, Programming Principles, Software Development, Software Design, Computer Programming, Computational Thinking, Debugging, Algorithms
Beginner · Course · 1 - 3 Months