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.

Princeton University
Skills you'll gain: Graph Theory, Data Structures, Algorithms, Theoretical Computer Science, Operations Research, Computational Thinking, Computer Programming, Network Routing, Java Programming, Linear Algebra
Intermediate · Course · 3 - 6 Months

University of Colorado System
Skills you'll gain: Intrusion Detection and Prevention, Threat Detection, Incident Response, Computer Security Incident Management, Cybersecurity, Threat Management, Data Security, Cyber Attacks, Endpoint Security, Network Security, Cyber Security Assessment, Firewall
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Excel Formulas, Spreadsheet Software, Data Analysis Expressions (DAX), Microsoft 365, Data Validation
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Azure DevOps, DevOps, Agile Methodology, Continuous Delivery, Collaborative Software, CI/CD, Microsoft Azure, Software Development, Application Performance Management, Version Control
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Social Sciences, Socioeconomics, Anthropology, World History, Sociology, Cultural Diversity, Social Impact, Media and Communications, Economics, Political Sciences
Mixed · Course · 1 - 3 Months
Icahn School of Medicine at Mount Sinai
Skills you'll gain: Matlab, Bioinformatics, Quantitative Research, Unsupervised Learning, Data Synthesis, Research, Mathematical Modeling, Molecular Biology, Pharmacology, Science and Research, Cell Biology, Biotechnology, Biomedical Technology, Scientific Methods, Physiology, Differential Equations, Computational Logic, Biochemistry, Network Analysis, Biology
Intermediate · Specialization · 3 - 6 Months

L&T EduTech
Skills you'll gain: Construction, Construction Inspection, Construction Management, Equipment Design, Construction Engineering, Construction Estimating, Maintenance, Repair, and Facility Services, Product Lifecycle Management, Cost Estimation, Architecture and Construction, Building Codes, Engineering Practices, Commercial Construction, Machine Controls, Plant Operations and Management, Structural Engineering, Environmental Engineering, Facility Management and Maintenance, Automation Engineering, Civil Engineering
Advanced · Specialization · 3 - 6 Months

L&T EduTech
Skills you'll gain: Construction, Construction Engineering, Product Testing, Structural Engineering, Laboratory Testing, Building Codes, Construction Inspection, Construction Management, Process Validation, Civil Engineering, Structural Analysis, Engineering Analysis, Engineering Design Process, Engineering Calculations, Simulation and Simulation Software, Safety Standards, Design
Advanced · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Environmental Regulations, Chemistry, Environmental Laws, Laboratory Testing, Public Health, Environmental Monitoring, Environmental Science, Health Assessment, Public Health and Disease Prevention, Environmental Policy, Case Studies, Risk Analysis
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Aesthetics, Art History, Liberal Arts, Performing Arts, Creativity, Storytelling, Music
Beginner · Course · 1 - 3 Months

Skills you'll gain: React.js, Bootstrap (Front-End Framework), UI Components, HTML and CSS, Cascading Style Sheets (CSS), Application Programming Interface (API), User Interface (UI), Javascript, Web Development Tools, Network Routing, Event-Driven Programming, Data Validation, Debugging
Intermediate · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Engineering Design Process, Engineering Drawings, Basic Electrical Systems, Prototyping, Drafting and Engineering Design, Mechanical Drawings, Computer-Aided Design, Electronics, Technical Drawing, Electronic Components, Robotics, Manufacturing Processes, Electrical Systems, Electronic Hardware, Electrical Wiring, Electrical Engineering, Materials science, Manufacturing and Production, Mechanical Engineering, 3D Modeling
Beginner · Specialization · 3 - 6 Months