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.

Scrimba
Skills you'll gain: JSON, Restful API, Web Applications, Application Programming Interface (API), Responsive Web Design, Cascading Style Sheets (CSS), Event-Driven Programming, HTML and CSS, Javascript, Back-End Web Development, Frontend Integration, Web Development, Web Services, Real Time Data, Web Development Tools, Game Design, Hypertext Markup Language (HTML), Servers, Software Development
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Azure Synapse Analytics, Microsoft Azure, Power BI, Databricks, Data Processing, Database Administration, Data Warehousing, Database Systems, Databases, Cloud Services, Data Architecture, NoSQL, Relational Databases, Cloud Storage, MySQL, Data Store, SQL, Database Management, Data Storage, Data Lakes
Beginner · Specialization · 3 - 6 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Energy and Utilities, Transportation Operations, Governance, Systems Thinking, Technology Roadmaps, Emerging Technologies, Technology Strategies, Innovation, Internet Of Things, Digital Transformation, Sustainable Systems, Case Studies
Beginner · Course · 1 - 3 Months

Skills you'll gain: OAuth, API Gateway, API Design, Restful API, Application Programming Interface (API), Cloud API, Continuous Deployment, CI/CD, Application Lifecycle Management, Secure Coding, Security Controls, Proxy Servers, Authorization (Computing), Continuous Integration, Application Security, Middleware, Software Documentation, Information Systems Security, Network Security, Data Security
Intermediate · Specialization · 3 - 6 Months

Salesforce
Skills you'll gain: Overcoming Objections, Prospecting and Qualification, Customer Relationship Management, Lead Generation, Sales Development, Time Management, Business Writing, Salesforce, Writing, Productivity, Cold Calling, Sales Prospecting, Growth Mindedness, Verbal Communication Skills, Cultural Diversity, Sales Enablement, Empathy, Interviewing Skills, Professional Development, Sales
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Epic Games
Skills you'll gain: Unreal Engine, Game Design, Video Game Development, Animation and Game Design, Ideation, 3D Modeling, Visualization (Computer Graphics), Software Design Documents, 3D Assets, User Experience Design, Computer Graphics, Usability, User Interface (UI), User Experience, User Interface (UI) Design, Interactive Design, Virtual Environment, Version Control, Conceptual Design, Prototyping
Beginner · Professional Certificate · 3 - 6 Months
McMaster University
Skills you'll gain: Finance, Peer Review, Project Design, Business Mathematics, Market Dynamics, Financial Analysis, Financial Planning, Capital Markets, Economics, Decision Making
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Regression Analysis, Statistical Analysis, Statistical Modeling, Logistic Regression, Data Analysis, Model Evaluation, Probability & Statistics, Statistical Inference
Mixed · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Case Law, Social Justice, World History, Political Sciences, Storytelling, Policy Analysis, Diversity Awareness
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Certified Public Accountant, Labor Law, Commercial Laws, Regulation and Legal Compliance, Bankruptcies, Organizational Structure, Business, Legal Writing, Contract Management, Sales
Build toward a degree
Intermediate · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Time Series Analysis and Forecasting, Forecasting, R Programming, Statistical Analysis, Model Evaluation, Data Analysis, Data Visualization, Mathematical Modeling, Statistical Modeling, Correlation Analysis, Probability & Statistics, Descriptive Statistics, Statistical Inference, Software Installation
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Art History, Community Organizing, Performing Arts, Social Justice, Social Impact, Advocacy, Liberal Arts, World History, Social Sciences, Creativity, Cultural Diversity, Media and Communications
Mixed · Course · 1 - 3 Months