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: Marketing Analytics, Anomaly Detection, Advanced Analytics, Bayesian Network, Data-Driven Decision-Making, Forecasting, Marketing Strategies, Strategic Decision-Making, Strategic Leadership, Time Series Analysis and Forecasting, Statistical Modeling, Simulation and Simulation Software, Predictive Analytics, Customer Retention, Reinforcement Learning
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Test Tools, Test Automation, Test Planning, Scripting, Test Script Development, Continuous Integration, CI/CD, Software Testing, Regression Testing, Software Technical Review, Test Case, Continuous Delivery, Maintainability, Automation, Software Quality (SQA/SQC)
Advanced · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Project Scoping, Project Management, Scope Management, Project Risk Management, Team Oriented, Agile Project Management, Project Planning, Leadership and Management, Risk Management, Team Leadership, Leadership, Leadership Development, Microsoft Office, Microsoft Excel, Microsoft Word
Mixed · Course · 1 - 4 Weeks

Universidad Autónoma Metropolitana
Skills you'll gain: Vocabulary, Literacy, English Language, Grammar, Data Analysis, Graphing, Writing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Blood Collection, Phlebotomy, Medication Administration, Healthcare Ethics, Automated External Defibrillator, Medical Laboratory, Cardiopulmonary Resuscitation (CPR), First Aid, Emergency Medicine, Laboratory Testing, Airway Management, Diagnostic Tests, Health Care, Emergency Response, Dignity in Care, Patient Communication, Patient-centered Care, Critical Thinking and Problem Solving, Decision Making, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Hebrew University of Jerusalem
Skills you'll gain: Teaching, Pedagogy, Program Evaluation, Instructional Strategies, Curriculum Planning, Classroom Management, Storytelling, Ethical Standards And Conduct, Student Engagement, Child Development, Working With Children, Liberal Arts, Ancient History, Social Studies, Culture, Discussion Facilitation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Financial Forecasting, Financial Modeling, Revenue Forecasting, Profit and Loss (P&L) Management, Business Modeling, Cost Estimation, Cash Flow Forecasting, Budget Management, Financial Analysis, Market Trend, Risk Mitigation, Variance Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Redis, Microservices, Restful API, .NET Framework, Application Programming Interface (API), Object-Relational Mapping, API Design, PostgreSQL, Scalability, Maintainability, Database Design, Software Architecture, Software Design Patterns, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Security, Network Troubleshooting, Software-Defined Networking, Network Monitoring, Threat Modeling, Virtual Networking, TCP/IP, Network Architecture, Computer Networking, Network Performance Management, Network Protocols, General Networking, Cybersecurity, Network Infrastructure, Local Area Networks, Network Analysis, OSI Models, Network Switches
Build toward a degree
Beginner · Course · 1 - 3 Months

Niel Asher Education
Skills you'll gain: Sports Medicine, Physical Therapy, Respiratory Therapy, Exercise Therapy, Biology, Mindfulness, Orthopedics, Athletic Training, Manual Therapy, Neurology, Medical Terminology, Self-Awareness, Spatial Analysis
Intermediate · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Journalism, Large Language Modeling, Media and Communications, AI Security, Electronic Media, Storytelling, Responsible AI, International Relations, digital literacy, Writing, Natural Language Processing, Digital Communications
Beginner · Course · 1 - 3 Months

Skills you'll gain: Talent Pipelining, Talent Management, Employee Engagement, Employee Retention, Talent Acquisition, Human Resources, Human Resource Strategy, Talent Recruitment, Talent Sourcing, Workforce Development, People Development, Recruitment, Recruitment Strategies, HR Tech, Strategic Sourcing, Diversity and Inclusion, Analytics
Intermediate · Course · 1 - 4 Weeks