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.

Skills you'll gain: Acceptance Testing, Project Coordination, Model Deployment, Quality Assurance, User Acceptance Testing (UAT), Verification And Validation, Product Quality (QA/QC), Plan Execution, Workflow Management, Application Deployment
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Payment Systems, Generally Accepted Accounting Principles (GAAP), Accounting Systems, Financial Reporting, Derivatives, Price Negotiation
Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Apache Hadoop, Big Data, Data Analysis, Apache Spark, Data Science, PySpark, Data Infrastructure, Data Processing, Distributed Computing, Performance Tuning, Scalability, Data Storage, Python Programming
Mixed · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: digital literacy, Media and Communications, Digital Communications, Interpersonal Communications, Empathy & Emotional Intelligence, Conflict Management, De-escalation Techniques
Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, Web Design and Development, Front-End Web Development, HTML and CSS, Responsive Web Design, React.js, JavaScript Frameworks, Web Development, Cascading Style Sheets (CSS), Web Development Tools, UI Components, Event-Driven Programming, Maintainability, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Earned Value Management, Project Schedules, Procurement, Cost Management, Return On Investment, Spreadsheet Software, Microsoft Excel, Financial Analysis, Project Performance, Project Estimation, Microsoft 365, Project Finance, Investment Management, Variance Analysis, Forecasting, Problem Solving
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Secure Coding, Application Security, System Programming, C++ (Programming Language), C (Programming Language), Unix, Embedded Systems, Debugging, Unix Commands, Operating Systems, Data Security, Linux, Microsoft Windows
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Product Roadmaps, Product Management, User Story, New Product Development, Quality Assurance, Product Requirements, Product Strategy, Design Thinking, Stakeholder Management, Ideation, Innovation, Change Management, Market Opportunities, Prioritization
Beginner · Course · 1 - 3 Months

Skills you'll gain: Intrusion Detection and Prevention, Continuous Monitoring
Beginner · Course · 1 - 4 Weeks

Harvard Business Review
Skills you'll gain: Team Performance Management, Teamwork, Team Building, Team Management, Virtual Teams, Collaboration, Intercultural Competence, Team Leadership, Conflict Management, Cross-Functional Collaboration, Team Motivation, Productivity, Cultural Diversity, Cultural Sensitivity, Cultural Responsiveness, Meeting Facilitation, Drive Engagement, Safety Culture, Communication Strategies
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Biological Engineering, Bioinformatics, Simulation and Simulation Software, Mathematical Modeling, Mathematical Software, Biotechnology, Engineering Analysis, Simulations, Differential Equations, Computer-Aided Design, Algorithms, Chemistry
Build toward a degree
Intermediate · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Session Initiation Protocols, System Configuration, Collaborative Software, Configuration Management, Network Administration, Telecommunications, Communication Systems, Systems Integration, Scalability, Digital Communications
Beginner · Course · 1 - 3 Months