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 Illinois Urbana-Champaign
Skills you'll gain: Cloud Infrastructure, Cloud Services, Cloud Computing, Cloud Storage, Cloud Platforms, Infrastructure As A Service (IaaS), Middleware, Containerization, Data Storage Technologies, Virtualization, Virtual Machines, Cloud Applications, Amazon S3, Platform As A Service (PaaS)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Teams, Microsoft 365, Team Management, Group Policy, Azure Active Directory, User Accounts, User Provisioning, System Configuration, Identity and Access Management, Product Lifecycle Management, Windows PowerShell, Network Planning And Design, Network Performance Management, Security Controls
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Pinterest, User Accounts, Information Privacy, Safety and Security, Social Media, Single Sign-On (SSO), Social Media Marketing
Beginner · Guided Project · Less Than 2 Hours
Johns Hopkins University
Skills you'll gain: Epidemiology, Dashboard, Business Metrics, Infectious Diseases, Interactive Data Visualization, Public Health, Public Health and Disease Prevention, Program Management, Analysis, Data Analysis Software, Data Collection
Advanced · Course · 1 - 4 Weeks

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

Skills you'll gain: 3D Modeling, Unreal Engine, 3D Assets, Computer Graphics, Animations, Simulations
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Remote Access Systems, User Accounts, Authorization (Computing), Network Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Eclipse (Software), Software Testing, UI Components, Integrated Development Environments, Web Applications, Java Programming, Functional Testing
Beginner · Guided Project · Less Than 2 Hours

O.P. Jindal Global University
Skills you'll gain: International Relations, Diplomacy, Political Sciences, World History, Public Policies, Social Sciences, Policy Analysis, Economics, Case Studies, Governance, Security Strategy, Analytical Skills
Build toward a degree
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud API, Google Cloud Platform, Cloud Computing, Application Programming Interface (API), Apache Spark
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Linux Commands, Network Administration, Network Analysis
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Storytelling, Interactive Data Visualization, Data Visualization Software, Matplotlib, Pandas (Python Package), Data Analysis, Scatter Plots, Data Cleansing, Data Manipulation, Data Integration, Data Transformation, Big Data, Programming Principles, Python Programming
Build toward a degree
Mixed · Course · 1 - 3 Months