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.

28DIGITAL
Skills you'll gain: Semantic Web, Query Languages, Data Management, Data Integration, Data Processing, JSON, Data Sharing, Data Mining, Interoperability, Extensible Markup Language (XML), Web Services, Data Modeling
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Stored Procedure, Star Schema, Microsoft SQL Servers, Database Design, Relational Databases, Data Integrity, Data Integration, SQL, Transaction Processing, Power BI, Data Warehousing, Database Management, Transact-SQL, Data Maintenance, Databases, Query Languages, Database Architecture and Administration, Performance Tuning, Database Systems, Data Management
Beginner · Professional Certificate · 3 - 6 Months

Lund University
Skills you'll gain: Climate Change Mitigation, Climate Change Adaptation, Environment, Sustainable Development, Energy and Utilities, Sustainable Design, Scientific Methods, Sustainable Technologies, Transportation Operations, Environmental Policy, Governance
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: ASP.NET, Microsoft Copilot, .NET Framework, Application Programming Interface (API), Middleware, Server Side, Restful API, C# (Programming Language), Back-End Web Development, Application Frameworks, JSON, Software Documentation, Secure Coding, Programming Principles, Extensible Markup Language (XML)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cinematography, Storyboarding, Video Production, Storytelling, Editing, Creativity, Writing
Beginner · Course · 1 - 4 Weeks

Intel
Skills you'll gain: AI Enablement, Artificial Intelligence, AI Product Strategy, Business Technologies, Complex Problem Solving, Digital Transformation, Technology Strategies, Case Studies, Business Intelligence, Company, Product, and Service Knowledge, Customer experience strategy (CX), Customer Insights, Discussion Facilitation, Emerging Technologies, Responsible AI, Customer Analysis, Machine Learning, B2B Sales, Computer Hardware, Data Analysis
Beginner · Specialization · 1 - 4 Weeks

ISAE-SUPAERO
Skills you'll gain: Safety Culture, Engineering Design Process, Product Development, Systems Design
Beginner · Course · 1 - 3 Months
National Taiwan University
Skills you'll gain: Art History, Aesthetics, Liberal Arts, Creativity, Ancient History, Writing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Productivity Software, Collaborative Software, Microsoft Office, Spreadsheet Software, Google Sheets, Data Visualization, Excel Formulas, Data Entry, File Management, Microsoft Excel, Microsoft 365, Data Management
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Loans, Lending and Underwriting, FinTech, Payment Systems, Key Management, Cryptography, Digital Assets, Market Liquidity, Financial Trading, Transaction Processing, Public Key Infrastructure, Encryption, Asset Protection, Governance
Intermediate · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Sanitation, Crisis Intervention, Public Health, Public Health and Disease Prevention, Water Resources, Chronic Diseases, Emergency Response, Nutrition and Diet, Community Health, Health Systems, Environmental Resource Management, Epidemiology, Health Care, Infectious Diseases
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Climate Change Programs, Environment, Environmental Monitoring, Hydrology, Environmental Science, Mathematical Modeling, Physical Science, Scientific Methods, Simulations
Beginner · Course · 1 - 3 Months