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 Colorado System
Skills you'll gain: Sprint Retrospectives, Meeting Facilitation, Brainstorming, Team Leadership, Sprint Planning, Agile Methodology, Leadership and Management, Team Building, People Management, Innovation, Collaboration, Team Management, Agile Project Management, Organizational Change, Backlogs, Psychology, Change Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Security Controls, Incident Response, Computer Security Incident Management, Intrusion Detection and Prevention, Vulnerability Management, Cybersecurity, Hardening, Network Security, Vulnerability Assessments, Relational Databases, Security Information and Event Management (SIEM), TCP/IP, Debugging, Cloud Security, Network Architecture, Security Awareness, Data Ethics, Linux, Cyber Risk
Beginner · Professional Certificate · 3 - 6 Months

University of Virginia
Skills you'll gain: Leadership Development, Strategic Leadership, Professional Development, Business Ethics, Initiative and Leadership, Personal Integrity, Employee Coaching, Overcoming Objections, Leadership, Ethical Standards And Conduct, Empowerment, Self-Awareness, Conflict Management, Personal Development, Decision Making, Program Implementation, Action Oriented, Verbal Communication Skills, Plan Execution, Case Studies
Beginner · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Combinatorics, Algorithms, Theoretical Computer Science, Mathematical Theory & Analysis, Data Structures, Advanced Mathematics, Mathematical Modeling, Probability, Calculus
Advanced · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Semiconductors, Electronic Components, Laboratory Research, Electrical Engineering, Electronics Engineering, Electronics, Data Analysis Software
Intermediate · Course · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Cost Management, Project Controls, Project Schedules, Project Performance, Earned Value Management, Cost Estimation, Project Estimation, Budget Management, Timelines, Scheduling, Project Planning, Cost Control, Microsoft Project, Budgeting, Performance Measurement, Resource Allocation, Key Performance Indicators (KPIs), Performance Analysis, Estimation, Resource Management
Mixed · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: Innovation, Business Management, Performance Management, Governance, Case Studies, Organizational Effectiveness, Corporate Strategy, Business Leadership, Decision Making, Behavioral Economics, Ancient History, Organizational Structure, Business Strategy, Social Studies, Economics, Market Dynamics, Storytelling
Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Systems Development, Systems Development Life Cycle, Agile Methodology, Productivity Software, digital literacy, Network Security, Computer Hardware, Computer Systems, Data Security, Risk Management, System Design and Implementation, TCP/IP, Information Technology, Software Development Methodologies, Data Ethics, Cybersecurity, General Networking, Productivity, Safety and Security, Process Design
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Model Evaluation, Keras (Neural Network Library), Tensorflow, Image Analysis, Artificial Neural Networks, Deep Learning, Computer Vision, Machine Learning, Classification Algorithms
Beginner · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Internet Of Things, Unit Testing, System Testing, Software Design Documents, Software Development, Technical Communication, Software Documentation, Mobile Development, System Design and Implementation, Embedded Systems, Innovation, Creative Design, Systems Integration
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Predictive Modeling, Machine Learning, Supervised Learning, Applied Machine Learning, Data Science, Artificial Intelligence, Deep Learning, Classification Algorithms, Unsupervised Learning, Regression Analysis, Reinforcement Learning
Beginner · Course · 1 - 4 Weeks

Interactive Brokers
Skills you'll gain: Derivatives, Financial Trading, Financial Market, Risk Management, Market Analysis, Capital Markets, Portfolio Risk, Investments, Technical Analysis, Market Dynamics, Profit and Loss (P&L) Management
Intermediate · Course · 1 - 3 Months