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: Public Key Infrastructure, Cybersecurity, Application Security, Data Security, Cyber Attacks, Information Assurance, Network Security, Risk Management Framework, Security Controls, Key Management, Threat Modeling, Authorization (Computing), Encryption, Data Integrity, Authentications, Vulnerability Assessments
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: ASP.NET, Object Oriented Programming (OOP), Object Oriented Design, Frontend Integration, Middleware, Programming Principles, Application Frameworks, Object-Relational Mapping, Model View Controller, Event-Driven Programming, User Interface (UI), Cascading Style Sheets (CSS), Authentications, Development Environment, Debugging
Beginner · Specialization · 1 - 3 Months

American Council on Exercise
Skills you'll gain: Exercise Science, Nutrition and Diet, Safety Training, Kinesiology, Health Education, Injury Prevention, Anatomy, Physiology, Coaching, Goal Setting
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Intercultural Competence, Human Capital, Cultural Diversity, Human Resources, Human Resources Management and Planning, Human Resource Strategy, Cultural Sensitivity, Case Studies, Culture, Workforce Management, Leadership
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Process Controls, Statistical Hypothesis Testing, Process Improvement, Lean Methodologies, Kaizen Methodology, Process Capability, Six Sigma Methodology, Risk Analysis, Quality Improvement, Process Analysis, Statistical Analysis, Statistical Methods, Risk Management, Business Process, Sample Size Determination, Data Collection
Intermediate · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Artificial Intelligence, Psychology, Human Learning, Anthropology, Human Factors, Science and Research, Robotics
Mixed · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Core Data (Software), Apple iOS, iOS Development, JSON, Objective-C (Programming Language), OAuth, Authentications, Mobile Development, Single Sign-On (SSO), Secure Coding, Data Store, Cryptographic Protocols, Application Security, Data Persistence
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Applicant Tracking Systems, Time Management, Human Resources Software, Employee Onboarding, Timelines, Organizational Skills, Project Management Software, Scheduling, Productivity Software, Document Management
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Process Optimization, Process Improvement, Brainstorming, Continuous Improvement Process, Business Process Improvement, Root Cause Analysis, Creative Problem-Solving, Innovation, Operational Efficiency, Knowledge Transfer, Collaboration, Technology Strategies, Data Management
Intermediate · Course · 1 - 4 Weeks

National Academy of Sports Medicine
Skills you'll gain: Nutrition Education, Nutritional Assessment, Nutrition and Diet, Patient Education And Counseling
Beginner · Course · 1 - 4 Weeks

EDHEC Business School
Skills you'll gain: Environmental Policy, Economics, Climate Change Mitigation, Cost Benefit Analysis, Policy Analysis, Environmental Regulations, Market Analysis, Financial Market, Tax, Financial Trading, Mathematical Modeling
Beginner · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Emergency Response, Crisis Intervention, Safety and Security, Hazard Communication (HazCom), Risk Management, Social Determinants Of Health, Media and Communications, Public Health, Vulnerability, Community Development, Cultural Diversity
Beginner · Course · 1 - 4 Weeks