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.

University of California San Diego
Skills you'll gain: Data Structures, Graph Theory, Algorithms, Program Development, Bioinformatics, Data Storage, Development Testing, Theoretical Computer Science, Computational Thinking, Network Analysis, Programming Principles, File Systems, Computer Programming, Python Programming, C and C++, Java, Rust (Programming Language), Javascript, Software Testing, Debugging
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Jest (JavaScript Testing Framework), Unit Testing, TypeScript, Software Testing, Test Driven Development (TDD), Code Coverage, Testability, Test Case, Javascript, Debugging
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Talent Management, Goal Setting, Team Building, Teamwork, Team Management, Talent Pipelining, Influencing, Team Motivation, Visionary, Team Leadership, People Development, Smart Goals, Employee Onboarding, Team Performance Management, Employee Coaching, Conflict Management, Interviewing Skills, Persuasive Communication, Leadership, Business Leadership
Beginner · Specialization · 3 - 6 Months

IE Business School
Skills you'll gain: Retail Management, Marketing Channel, Merchandising, Conflict Management, Market Opportunities, Retail Sales, Supply Chain, E-Commerce, Market Dynamics, Vendor Relationship Management, Cross-Channel Marketing, Growth Strategies, Supply Chain Planning, Promotional Strategies, Company, Product, and Service Knowledge, Strategic Partnership, Consumer Behaviour, Customer experience strategy (CX)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Jest (JavaScript Testing Framework), Test Driven Development (TDD), Test Case, Development Testing, Unit Testing, Software Testing, Testability, Javascript, Mockups, Simulations
Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Oil and Gas, Petroleum Industry, Big Data, Data Management, Data Processing, Artificial Intelligence and Machine Learning (AI/ML), Process Engineering, Geostatistics, Anomaly Detection, Image Analysis, Process Control, Production Process, Energy and Utilities, Machine Learning, Automation, Physical Science, Natural Resource Management, 3D Modeling, Exploratory Data Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Angular, Unit Testing, JavaScript Frameworks, Testability, Test Driven Development (TDD), Software Testing, Development Testing, React.js, Integration Testing
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Responsible AI, Microsoft Copilot, Generative AI, Training and Development, Instructional Design, ChatGPT, Productivity Software, Training Programs, Prompt Engineering, Developing Training Materials, Learning Management Systems, Employee Training, Innovation, Ethical Standards And Conduct, Case Studies, Automation
Intermediate · Course · 1 - 4 Weeks
University of Pennsylvania
Skills you'll gain: Risk Modeling, Risk Management, Business Modeling, Mathematical Modeling, Data-Driven Decision-Making, Portfolio Management, Forecasting, Regression Analysis, Financial Modeling, Statistical Modeling, Risk Analysis, Predictive Modeling, Presentations, Spreadsheet Software, Microsoft PowerPoint, Investment Management, Financial Statements, Data Modeling, Quantitative Research, Microsoft Excel
Beginner · Specialization · 3 - 6 Months

The Pennsylvania State University
Skills you'll gain: Creative Thinking, Creativity, Cultural Diversity, Open Mindset, Personal Development, Overcoming Obstacles, Tenacity, Collaboration, Experimentation
Mixed · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Team Motivation, Team Leadership, Team Management, Benchmarking, Motivational Skills, Performance Measurement, Change Management, Organizational Change, Six Sigma Methodology, Team Building, Cross-Functional Team Leadership, Teamwork, Leadership and Management, Lean Six Sigma, Process Improvement, Business Metrics, Collaboration, Project Management, Organizational Structure, Leadership
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Business Strategy, Organizational Change, Stakeholder Management, Organizational Structure, Corporate Strategy, Governance, Conflict Management, Organizational Strategy, Trustworthiness, Team Building, Strategic Leadership, Organizational Leadership, Management Training And Development, Business Management, Organizational Effectiveness, Business Ethics, Team Management, Leadership Development, Leadership, Negotiation
Build toward a degree
Beginner · Specialization · 3 - 6 Months