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.

Yonsei University
Skills you'll gain: Disaster Recovery, Mitigation, Risk Management Framework, Emergency Response, Geospatial Information and Technology, Policty Analysis, Research, and Development, Public Policies, Environmental Policy, Systems Thinking, Case Studies, World History
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Data Governance, Real Time Data, Data Lakes, Microsoft SQL Servers, Compliance Management, Metadata Management, Data Architecture, Data Security, Power BI, Operational Databases, System Monitoring, Identity and Access Management, Event-Driven Programming
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Community Organizing, Social Justice, Social Impact, Advocacy, Student Engagement, Liberal Arts, Social Sciences, Performing Arts, Creativity, Cultural Diversity, Research
Mixed · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Data Modeling, Data Analysis, Microsoft Excel, Interactive Data Visualization, Advanced Analytics, Business Intelligence, Data Analysis Software, Statistical Analysis, Time Series Analysis and Forecasting, Microsoft PowerPoint, Microsoft 365, Microsoft Office, Query Languages
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Malware Protection, Network Security, Threat Detection, Firewall, Digital Forensics, Anomaly Detection, Code Review, Network Performance Management, Network Routing, Proxy Servers, Linux, Internet Of Things, Servers
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Compliance Management, Risk Analysis
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Seaborn, Matplotlib, Data Transformation, Plot (Graphics), Pandas (Python Package), Data Manipulation, Data Visualization Software, NumPy, Data Visualization, Data Analysis, Scatter Plots, Data Science, Jupyter, Graphing, Data Processing, Box Plots, Python Programming, Computer Programming, Computer Programming Tools, Software Development
Mixed · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: LinkedIn, Lead Generation, Sales Prospecting, Prospecting and Qualification, B2B Sales, Sales Pipelines, Business Marketing, Professional Networking, Relationship Building, Copywriting, Branding, Automation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Computer-Aided Design, Architectural Drawing, Technical Drawing, Schematic Diagrams, Electrical Wiring, Facility Management, Coordination, Requirements Analysis
Beginner · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Basic Electrical Systems, electromagnetics, Mathematical Modeling, Education Software and Technology, Simulations, Physics, Experimentation, Scientific Visualization
Intermediate · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Immunology, Infectious Diseases, Molecular Biology, Epidemiology, Microbiology, Public Health, Drug Development, Biotechnology, Medical Science and Research, Climate Change Programs, Cell Biology, Health Disparities, Biology, Clinical Trials, Laboratory Research, Pharmacology, Public Health and Disease Prevention, New Product Development, Emerging Technologies, Manufacturing Processes
Intermediate · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: API Design, API Gateway, Application Programming Interface (API), Postman API Platform, Restful API, API Testing, Data Validation, Authentications, OAuth, Cloud API, Microservices, Application Deployment, CI/CD, Authorization (Computing), Secure Coding, Application Frameworks, Performance Tuning, Application Lifecycle Management, Prometheus (Software), Grafana
Intermediate · Specialization · 1 - 3 Months