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.

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Performance Metric, Process Improvement, Change Management, Key Performance Indicators (KPIs), Recruitment, Performance Reporting, Performance Analysis, Performance Measurement, Business Metrics, Talent Acquisition, Continuous Improvement Process, Benchmarking
Beginner · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Mental Health Diseases and Disorders, Psychiatry, Clinical Psychology, Mental Health, Cognitive Behavioral Therapy, Mental and Behavioral Health, Psychotherapy, Psychiatric Assessments, Cultural Diversity, Psychology, Pharmacotherapy, Pharmacology, Demography
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Cryptography, Encryption, Cybersecurity, Computer Security, Theoretical Computer Science, Information Architecture
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Predictive Modeling, Predictive Analytics, Exploratory Data Analysis, Data Visualization, Business Analytics, Data Analysis, Statistical Modeling, Data-Driven Decision-Making, Regression Analysis, Microsoft Excel, Machine Learning Methods, Decision Tree Learning, Data Cleansing, Artificial Neural Networks
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, JUnit, Unit Testing, Software Configuration Management, Application Servers, Enterprise Application Management, Java, Software Design Patterns, Extensible Markup Language (XML), Dependency Analysis, Transaction Processing
Intermediate · Course · 1 - 4 Weeks

Harvard Business Review
Skills you'll gain: Meeting Facilitation, Time Management, Productivity, Prioritization, Team Performance Management, Planning, Goal Setting, Stress Management, Decision Making
Intermediate · Course · 1 - 4 Weeks

EDHEC Business School
Skills you'll gain: Climate Change Mitigation, Energy and Utilities, Engineering, Systems Of Measurement, Environment, Mathematical Modeling, Sustainable Technologies, Environmental Engineering, Environmental Science, Physics, Economics
Beginner · Course · 1 - 4 Weeks
Starweaver
Skills you'll gain: Electronic Discovery, Investigation, Criminal Investigation and Forensics, Incident Response, Cyber Threat Intelligence, Technical Communication, Computer Security Incident Management, Report Writing, Cybersecurity, Fraud detection, Legal Proceedings, Law, Regulation, and Compliance, Document Management, Ethical Standards And Conduct, Business Ethics, Compliance Reporting, Cryptography, Data Collection, Analysis, Management Reporting
Beginner · Course · 1 - 3 Months
University of Colorado Boulder
Skills you'll gain: Google Ads, Online Advertising, Pay Per Click Advertising, Digital Advertising, Contextual Advertising, Search Engine Marketing, Keyword Research, Search Engine Optimization, Advertising Campaigns, Advertising, Paid media, Web Analytics and SEO, Marketing Automation, Bidding, Automation, A/B Testing, Consumer Behaviour, Key Performance Indicators (KPIs), Analysis
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Social Media Strategy, Social Media Campaigns, Social Media Marketing, Marketing Communications, Digital Media Strategy, Marketing Planning, Customer Insights, Content Performance Analysis, Driving engagement, Plan Execution, Earned Media, Content Creation, Content Strategy, Owned Media, Paid media, Goal Setting
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Biotechnology, Food and Beverage, Sustainable Technologies, Scalability, Manufacturing and Production, Sustainability Standards, Process Engineering, Product Development, Global Marketing, Chemical Engineering, Innovation, Market Trend, Market Analysis, Microbiology, Workforce Development
Beginner · Course · 1 - 4 Weeks

Hebrew University of Jerusalem
Skills you'll gain: Social Studies, Demography, Political Sciences, International Relations, Sociology, Anthropology, World History, Cultural Diversity, Governance, Economics, Conflict Management
Beginner · Course · 3 - 6 Months