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.

Vanderbilt University
Skills you'll gain: Git (Version Control System), JUnit, Android Studio, Android Development, Unit Testing, Maintainability, Software Design Patterns, Test Automation, File I/O, Object Oriented Programming (OOP), Integration Testing, Test Driven Development (TDD), Mobile Development, Software Testing, Testability, Software Engineering, Java Programming, Java, Application Security, Development Testing
Beginner · Specialization · 3 - 6 Months

IESE Business School
Skills you'll gain: Strategic Marketing, Financial Statement Analysis, Income Statement, Financial Statements, People Management, Accounting, Balance Sheet, Financial Accounting, Product Marketing, Financial Acumen, Marketing, Accrual Accounting, Marketing Strategy and Techniques, Working Capital, Financial Analysis, Team Management, Organizational Leadership, Industrial and Organizational Psychology, Case Studies, Market Share
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: AI Security, Responsible AI, Threat Modeling, DevSecOps, Governance Risk Management and Compliance, Compliance Management, Data Ethics, Data Governance, Model Evaluation, Reinforcement Learning, Risk Management, Prompt Engineering, Governance, Regulatory Compliance, Security Testing, MLOps (Machine Learning Operations), MITRE ATT&CK Framework, Continuous Monitoring, Ethical Standards And Conduct, Vulnerability Assessments
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Smart Goals, Professional Development, Nursing Administration, Nursing Process, Care Coordination, Nursing, Clinical Nursing, Nursing Care, Nursing and Patient Care, Nursing Practices, Clinical Leadership, Direct Patient Care, Patient Advocacy, Patient-centered Care, Leadership, Health Administration, Initiative and Leadership, Collaboration
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Follow Through, Culture Transformation, Customer experience improvement, Communication, Video Production
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Accounting Software, Data Validation, QuickBooks (Accounting Software), Expense Management, Accounting Records, Data Entry, Verification And Validation, Financial Reporting, Productivity Software, Spreadsheet Software, Microsoft Excel
Beginner · Course · 1 - 4 Weeks

Siemens
Skills you'll gain: Design Software, Data Import/Export, User Experience, Engineering Software, Technical Design, 3D Assets, Graphical Tools
Beginner · Course · 1 - 3 Months

University of Amsterdam
Skills you'll gain: Culture, Interpersonal Communications, Media and Communications, Research, Persuasive Communication, Qualitative Research
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Cybersecurity, Endpoint Security, Network Security, Cyber Attacks, Encryption, Information Systems Security, Application Security, Cyber Security Policies, Penetration Testing, Data Security, Computer Security Awareness Training, Firewall, Cryptography, Security Controls, Threat Modeling, Intrusion Detection and Prevention, Security Awareness, Mobile Security, Malware Protection, Authentications
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Control Systems, Numerical Analysis, Simulations, Engineering Analysis, Engineering Calculations, Verification And Validation, Mathematical Modeling
Advanced · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Search Engine Optimization, Keyword Research, Web Analytics and SEO, Digital Marketing, Content Strategy, Web Analytics, Marketing, AI Personalization, User Research, Social Media, Competitive Analysis, User Experience
Intermediate · Course · 1 - 4 Weeks

HRCI
Skills you'll gain: Talent Acquisition, Recruitment, Full Cycle Recruitment, Job Analysis, Recruitment Strategies, Employee Onboarding, Negotiation, Employee Retention, Talent Sourcing, Workforce Planning, Human Resources, Interviewing Skills, Labor Law, Diversity and Inclusion
Beginner · Course · 1 - 4 Weeks