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.

Arizona State University
Skills you'll gain: Statistical Process Controls, Process Control, Quality Assurance, Semiconductors, Verification And Validation, Manufacturing Operations, Manufacturing Processes, Process Improvement, Process Analysis, Product Testing, Test Engineering, Thermal Management, Electronics Engineering, Electronics, Reliability, Performance Testing
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: AI Security, Threat Modeling, Security Engineering, Security Requirements Analysis, Threat Management, Data Flow Diagrams (DFDs), Threat Detection, Data Security, Key Management, Risk Analysis, Technical Documentation, Cloud Services, Technical Communication
Intermediate · Course · 1 - 4 Weeks
University of Pennsylvania
Skills you'll gain: Operations Management, Operational Efficiency, Process Analysis, Process Management, Process Improvement, Lean Methodologies, Workflow Management, Continuous Improvement Process, Capacity Planning, Quality Management, Supply Chain Management, Inventory Management System, Statistical Process Controls, Process Flow Diagrams, Root Cause Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Social Media Marketing, Social Media Content, Social Media, Instagram, Style Guides, Graphic and Visual Design Software, Facebook, Graphic Design, Graphic and Visual Design, Digital Design, Technical Standard, Image Quality, Design Specifications, Brand Management
Beginner · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: NoSQL, Control Systems, Apache Hadoop, Apache Hive, Big Data, Simulation and Simulation Software, Mechanical Design, Database Systems, Artificial Intelligence, Mechanical Engineering, Computer Vision, Laboratory Experience, Databases, Systems Architecture, Distributed Computing, Simulations, Global Positioning Systems, Business Intelligence, Robotics, Automation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Time Series Analysis and Forecasting, Anomaly Detection, Exploratory Data Analysis, Descriptive Analytics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Delegation Skills, Accountability, Conflict Management, Goal Setting, Team Building, Expectation Management, Team Management, Communication, Follow Through, Productivity, Team Leadership, Management Training And Development, Leadership Studies, Constructive Feedback, Employee Performance Management, Case Studies, Performance Management
Beginner · Course · 1 - 4 Weeks
University of Maryland, College Park
Skills you'll gain: AI Personalization, Responsible AI, Deep Learning, Forecasting, Business Leadership, Risk Management, Business Analytics, Machine Learning, Analytics, Artificial Intelligence, Marketing Analytics, Applied Machine Learning, Customer Analysis, Supply Chain Management, Data-Driven Decision-Making, Big Data, People Analytics
Intermediate · Course · 1 - 3 Months

Council on Foreign Relations
Skills you'll gain: International Relations, Diplomacy, World History, Political Sciences, International Finance, Public Policies, Policy Development, Policy Analysis, Public Health, Economic Development, Governance, Social Sciences, Immigration Law, Culture, Socioeconomics, Policty Analysis, Research, and Development, Economics, Negotiation, Decision Making, Strategic Thinking
Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Influencing, Leadership Development, Active Listening, Verbal Communication Skills, Communication Strategies, Motivational Skills, Leadership, Strategic Leadership, Initiative and Leadership, Leadership and Management, Team Leadership, Communication, Organizational Leadership, Persuasive Communication, Business Leadership, Personal Development, Self-Awareness, Stakeholder Communications, Business Communication, Cross-Functional Team Leadership
Mixed · Course · 1 - 3 Months

University of Manchester
Skills you'll gain: Biotechnology, Sustainable Technologies, Process Engineering, Molecular Biology, Chemical Engineering, Sustainable Engineering, Life Sciences, Biochemistry, Pharmaceuticals, Biomedical Engineering, Materials science, Scalability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Database Design, Relational Databases, Database Management, Database Application, Requirements Analysis, Application Deployment, C# (Programming Language), Data Validation, ASP.NET, SQL, .NET Framework, System Requirements, Business Requirements, Full-Stack Web Development, Application Development, Business Logic, Software Development Life Cycle, Data Management, User Interface (UI) Design, Systems Development
Beginner · Specialization · 1 - 3 Months