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.

Cisco Learning and Certifications
Skills you'll gain: OSI Models, Network Security, Network Protocols, Network Performance Management, Network Architecture, Network Monitoring, Role-Based Access Control (RBAC), Network Troubleshooting, Network Administration, Computer Networking, TCP/IP, Network Planning And Design, Cybersecurity, Routing Protocols, Firewall, Network Routing, Network Analysis, IT Infrastructure, Cloud Computing, Automation
Beginner · Specialization · 3 - 6 Months

University of Maryland, College Park
Skills you'll gain: Cybersecurity, Cyber Security Policies, Cyber Risk, Cyber Attacks, Cyber Governance, Cyber Security Strategy, Security Management, Infrastructure Security, Data Security, Threat Modeling, Computer Security, Security Awareness, Risk Management, Enterprise Security, Vulnerability, Governance, General Networking, Public Safety and National Security, Threat Detection, Artificial Intelligence
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Serverless Computing, API Gateway, Image Analysis, Amazon CloudWatch, Extensible Markup Language (XML), JSON, Computer Vision, Cloud Deployment, API Design, Amazon Web Services, Event-Driven Programming, Amazon S3, Microservices, Cloud Development, AWS CloudFormation, Application Programming Interface (API), AI Enablement, Cloud Applications, Authentications, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Presentation, Business Metrics, Key Performance Indicators (KPIs), Marketing Analytics, Bayesian Statistics, Data Visualization, Descriptive Statistics, Marketing Effectiveness, Statistical Hypothesis Testing, Target Audience, Marketing Strategies, Data Cleansing, Pandas (Python Package), Data Analysis, Data Visualization Software, A/B Testing, Data Collection, Marketing, Interviewing Skills
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Alex Genadinik
Skills you'll gain: Conflict Management, Leadership, Assertiveness, Empathy, Emotional Intelligence, Team Motivation, Business Leadership, Leadership and Management, Strategic Leadership, Verbal Communication Skills, Decision Making, Adaptability, Brand Strategy, Employee Engagement
Mixed · Course · 3 - 6 Months
University of Michigan
Skills you'll gain: Performing Arts, Social Justice, Advocacy, Art History, Social Impact, Culture, World History, Music, Cultural Diversity, Storytelling, Creativity
Beginner · Course · 1 - 3 Months
Duke University
Skills you'll gain: Physiology, Pulmonology, Respiration, Anatomy, Endocrinology, Cardiology, Human Musculoskeletal System, Kinesiology, Nephrology, Biology, Vital Signs, Blood Pressure, Neurology, Urinalysis
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Microsoft Excel, Excel Formulas, Spreadsheet Software, Microsoft Office, Data Entry, Microsoft 365
Intermediate · Guided Project · Less Than 2 Hours
University of Pennsylvania
Skills you'll gain: Optimism, Personal Development, Resilience, Positive Behavior Support, Psychology, Working With Children, Education and Training, Research, Visionary, Human Development, Creativity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Literacy, Data Visualization, Data Presentation, Tableau Software, Presentations, Data Visualization Software, Dashboard, Data Analysis, Web Content Accessibility Guidelines, Stakeholder Engagement
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Systems Engineering, Requirements Analysis, Requirements Elicitation, Systems Development Life Cycle, Configuration Management, Engineering Management, Waterfall Methodology, Systems Analysis, Project Management, Risk Management, Systems Architecture, System Requirements, Functional Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Productivity, Team Motivation, Team Leadership, Management Training And Development, Time Management, Team Management, Team Building, People Management, Leadership and Management, Teamwork, Delegation Skills, Trustworthiness, Leadership, Organizational Leadership, Leadership Development, Business Leadership, Conflict Management, Communication
Beginner · Course · 1 - 4 Weeks