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.

Johns Hopkins University
Skills you'll gain: Social Justice, Social Sciences, Cultural Responsiveness, Sociology, Cultural Diversity, World History, International Relations, Political Sciences, Policy Analysis, Advocacy, Demography
Beginner · Course · 1 - 4 Weeks
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Mechanical Engineering, Engineering, Thermal Management, Physics, Chemical Engineering, Engineering Calculations, Engineering Analysis, Materials science, Energy and Utilities, Chemistry, Calculus, Physical Science, Applied Mathematics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Dashboard, Ad Hoc Reporting, Statistical Reporting, Query Languages, Security Information and Event Management (SIEM), Data Visualization Software, Data Manipulation, Data Processing, Data Import/Export, Event Monitoring
Intermediate · Course · 1 - 3 Months

Skills you'll gain: SPSS (Software), Market Data, Regression Analysis, Analytics, Data Analysis, Statistical Reporting, Technical Communication, Statistical Analysis, Data-Driven Decision-Making, Exploratory Data Analysis, Statistical Modeling, Scatter Plots, Financial Modeling, Statistical Visualization
Beginner · Course · 1 - 4 Weeks
Starweaver
Skills you'll gain: Cloud Security, Cloud Services, Cloud Technologies, Cloud Computing Architecture, Cloud Computing, Cloud Infrastructure, Incident Response, Hardening, Public Cloud, Infrastructure As A Service (IaaS), ISO/IEC 27001, Virtual Machines, Identity and Access Management, Security Controls, Amazon Web Services, NIST 800-53, Network Security, Cloud Applications, Role-Based Access Control (RBAC), Platform As A Service (PaaS)
Intermediate · Course · 1 - 3 Months

Intermediate · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Embeddings, Tool Calling, AI Workflows, Generative AI Agents, Document Management, Query Languages, Text Mining, Context Management
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Deep Learning, MLOps (Machine Learning Operations), Responsible AI, Model Evaluation, Data Ethics, Data Management, Project Management Life Cycle, Unsupervised Learning, Human Computer Interaction, User Experience Design, Classification And Regression Tree (CART), Data Quality, Model Deployment, Data Preprocessing, Human Centered Design, Machine Learning, Project Management, Product Management, Product Design, Data Science
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Email Marketing, Marketing Analytics, Marketing Effectiveness, Brand Strategy, Brand Management, Brand Awareness, Campaign Management, Branding, Compliance Auditing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Software Design Patterns, Game Design, Maintainability, Software Design, Software Architecture, Video Game Development, Programming Principles, Animation and Game Design, Event-Driven Programming, Scalability, Game Theory, Artificial Intelligence, Animations
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Secure Coding, Data Validation, Business Logic, .NET Framework, Relational Databases, Databases, Database Design, C# (Programming Language), Order Management Systems, System Testing, User Interface (UI), Event-Driven Programming, Systems Development, Debugging, Data Access, Microsoft SQL Servers, Application Development, Microsoft Visual Studio, SQL, User Interface (UI) Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Flutter (Software), Mobile Development, Application Development, Data Validation, User Interface (UI) Design, User Interface (UI), Application Design, Cross Platform Development, Human Computer Interaction, Interactive Design, Interaction Design, User Flows, Scalability, Usability, Maintainability, Image Quality, Debugging
Beginner · Specialization · 1 - 3 Months