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.

Imperial College London
Skills you'll gain: Advocacy, Social Determinants Of Health, Public Health, Health Policy, Health Disparities, Health Equity, Health Care, International Relations, Socioeconomics, Governance, Research, Political Sciences
Beginner · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Intellectual Property, Legal Risk, Responsible AI, General Data Protection Regulation (GDPR), Personally Identifiable Information, AI Security, Legal Technology, Law, Regulation, and Compliance, Regulation and Legal Compliance, Information Privacy, Artificial Intelligence, Data Ethics, Risking, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Mining, Anomaly Detection, Unsupervised Learning, Data Warehousing, Machine Learning Methods, Supervised Learning, Data Pipelines, Data Preprocessing, Classification Algorithms, Data Modeling, Decision Tree Learning, Data Science, Data Integration, Machine Learning Algorithms, Data Cleansing, Model Evaluation, Exploratory Data Analysis, Big Data, Analytical Skills, Data Analysis
Build toward a degree
Intermediate · Specialization · 1 - 3 Months

Harvard Business Review
Skills you'll gain: Process Analysis, Project Management, Project Risk Management, Project Schedules, Process Improvement, Business Process, Continuous Improvement Process, Business Process Improvement, Team Performance Management, Scope Management, Cost Management, Performance Metric, Stakeholder Communications, Business Priorities
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Disaster Recovery, General Networking, Network Administration, Authentications, Network Architecture, Vulnerability Assessments, Computer Networking, Network Infrastructure, Wireless Networks, Cybersecurity, Network Monitoring, Local Area Networks, Network Performance Management, Telecommunications, Network Protocols, Network Troubleshooting, OSI Models, Network Switches, Event Monitoring
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Prometheus (Software), Data Processing
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Sales Presentations, Brainstorming, Selling Techniques, Marketing Communications, Business Correspondence, Advertising, Business Marketing, Promotional Strategies, Presentations, Consultative Selling, Persuasive Communication, Employee Surveys, Product Promotion, Communication Strategies, Vocabulary
Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Grammar, English Language, Vocabulary
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Parent Communication, Student Engagement, Community Outreach, Teaching, Cultural Diversity, Instructional Strategies, Cultural Sensitivity, Case Studies, Diversity Awareness, Collaboration
Mixed · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Dashboard, Salesforce, Data Visualization, Data Storytelling, Ad Hoc Reporting, Management Reporting, Product Demonstration, Business Reporting, Report Writing, End User Training and Support, Real Time Data, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Music Theory, Music, Musical Composition, Classical Music, Music History, Instrumental Music, Music Performance, World Music
Intermediate · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Meeting Facilitation, Business Communication, Business Correspondence, Telephone Skills, Writing, Employee Coaching, Business Leadership, English Language, Staff Management, Recruitment, Verbal Communication Skills, Team Building, Communication
Intermediate · Course · 1 - 3 Months