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 California, Irvine
Skills you'll gain: Systems Development, Systems Development Life Cycle, Agile Methodology, Productivity Software, Data Security, Risk Management, Software Development Methodologies, Process Design, Information Systems, Workflow Management, Business Systems Analysis, Microsoft Office, E-Commerce, Microsoft Excel
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ajax, jQuery, JSON, Debugging, JavaScript Frameworks, Application Programming Interface (API), Web Applications, Javascript, Game Design, HTML and CSS, User Interface (UI) Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Agile Software Development, Cloud Computing Architecture, Cloud Services, Cloud Deployment, Agile Methodology, DevOps, Kanban Principles, Cloud Security, Cloud Infrastructure, Cloud Platforms, Cloud Computing, Agile Project Management, Cloud-Native Computing, User Story, Cloud Storage, Sprint Retrospectives, Sprint Planning, CI/CD, Test Driven Development (TDD), Scrum (Software Development)
Beginner · Specialization · 3 - 6 Months

Dartmouth College
Skills you'll gain: Structural Engineering, Construction, Engineering Analysis, Engineering Calculations, Mechanics, Civil Engineering, Materials science
Beginner · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Personally Identifiable Information, Cybersecurity, General Data Protection Regulation (GDPR), Information Privacy, Data Security, Threat Detection, Data Loss Prevention, Incident Response, Data Governance, Law, Regulation, and Compliance, Data Management, Data Storage, Data Integrity, Data Ethics, Regulation and Legal Compliance
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Payroll, Payroll Administration, Payroll Processing, Payroll Tax, Sales Tax, Balance Sheet, Accounting, Accounts Payable, Financial Accounting, General Accounting, Equities, Bookkeeping, General Ledger, Mortgage Loans, Loans, Tax Compliance
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Integrated Development Environments, Microsoft Visual Studio, AI Enablement, Test Driven Development (TDD), Software Development Tools, GitHub, Debugging, HTML and CSS, User Interface (UI), Cascading Style Sheets (CSS), Software Installation
Intermediate · Course · 1 - 4 Weeks

Rutgers the State University of New Jersey
Skills you'll gain: Purchasing, Procurement, Strategic Sourcing, Target Audience, Supply Chain Management
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Culture, Cultural Diversity, Research, Storytelling, Liberal Arts, Writing
Mixed · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Cybersecurity, IT Security Architecture, Network Security, Disaster Recovery, Application Security, Business Continuity, Cryptography, Secure Coding, Systems Development Life Cycle, Security Controls, Law, Regulation, and Compliance, Infrastructure Security, Safety and Security, Identity and Access Management, Governance, Risk Management
Beginner · Course · 1 - 3 Months

Lecturio
Skills you'll gain: Molecular Biology, Biochemistry, Cell Biology, Pharmacology, Biology
Intermediate · Course · 1 - 4 Weeks

University of Cambridge
Skills you'll gain: Human Learning, Child Development, Psychology, Empathy & Emotional Intelligence, Teaching, Decision Making, Learning Theory, Instructional Strategies, Pedagogy, Learning Strategies, Developmental Disabilities, Empathy, Working With Children, Neurology, Magnetic Resonance Imaging, Disabilities, Autism Spectrum Disorders, Medical Imaging, Electrophysiology, Human Development
Beginner · Specialization · 3 - 6 Months