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.

Skills you'll gain: API Testing, Performance Testing, IT Security Architecture, Cloud-Based Integration, Application Security, Vulnerability Management, System Monitoring
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Content Performance Analysis, Key Performance Indicators (KPIs), Search Engine Optimization, Content Strategy, Keyword Research, Content Creation, Web Analytics and SEO, Scalability, Content Management, Strategic Partnership, AI Enablement, Automation
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Embedded Software, Electronic Systems, Service Level, Debugging, Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Performance Analysis, Performance Testing, Performance Measurement, Benchmarking, Data Modeling, Data Processing, Extract, Transform, Load, Data-Driven Decision-Making, Statistical Analysis
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: AI Security, Threat Modeling, Security Engineering, Security Testing, Hardening, Security Controls, Security Strategy, Penetration Testing, Data Validation, Model Evaluation, Information Privacy, Generative Adversarial Networks (GANs), Analysis, Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Bash (Scripting Language), Operating Systems, File Systems, Linux Commands, Linux, SQL, Unix, Database Management, Command-Line Interface, Relational Databases, Authorization (Computing), Authentications, User Accounts
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Management, Databases, Relational Databases, Database Architecture and Administration, Data Security, User Accounts, Secure Coding, SQL, Application Security, Vulnerability Scanning, NoSQL, Role-Based Access Control (RBAC), Encryption, Data Manipulation
Beginner · Course · 1 - 3 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Engineering, Thermal Management, Materials science, Physics, Engineering Calculations, Mechanics, Physical Science, Applied Mathematics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Debugging, Version Control, Microsoft Copilot, C# (Programming Language), Git (Version Control System), Microsoft Visual Studio, .NET Framework, Program Development, Application Development, Object Oriented Programming (OOP), Computer Programming, Microsoft Development Tools, Development Environment, User Interface (UI), Programming Principles
Beginner · Course · 1 - 3 Months

Skills you'll gain: UI/UX Research, Usability Testing, Presentations, User Experience Design, User Research, Mobile Development, Data Ethics, Research Design, Prototyping, Wireframing, Interviewing Skills, Information Privacy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Endpoint Security, Computer Security Incident Management, Mobile Security, Security Awareness, Malware Protection, Operating System Administration, Email Security, Android (Operating System), Data Maintenance, Multi-Factor Authentication, System Configuration, Apple iOS, Hardware Troubleshooting, Network Administration, Authentications, Change Control
Beginner · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Computer Security Incident Management, Mitigation, Cyber Threat Hunting, Digital Forensics, Cybersecurity, Security Information and Event Management (SIEM), Intrusion Detection and Prevention, Incident Management, Criminal Investigation and Forensics, Information Systems Security, Continuous Monitoring, Cyber Attacks, Computer Security, Network Security, Analysis, Network Analysis, Linux Commands, Bash (Scripting Language), Windows PowerShell
Mixed · Course · 1 - 4 Weeks