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: Java Programming, Java, Performance Tuning, Spring Framework, Application Performance Management, Algorithms, JUnit, OS Process Management, Application Frameworks, Programming Principles, Performance Testing, Spring Boot, Computer Architecture
Beginner · Course · 1 - 3 Months

Skills you'll gain: Wide Area Networks, Data Centers, Virtual Machines, Network Administration, Virtualization, Network Architecture, Wireless Networks, Virtual Private Networks (VPN), Computer Networking, Network Monitoring, Network Troubleshooting, Software-Defined Networking, Intrusion Detection and Prevention, Network Security, Cloud Computing, Distributed Denial-Of-Service (DDoS) Attacks, Key Management, Internet Of Things, Disaster Recovery
Advanced · Course · 1 - 3 Months

Skills you'll gain: Rmarkdown, Web Scraping, Geospatial Information and Technology, Microsoft Azure, Cloud Storage, Interactive Data Visualization, R Programming, Data Collection, Cloud Services, Data Manipulation, Data Science, Data Visualization Software, Data Integration, Data Analysis, Data Ethics, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: OpenAI API, Image Analysis, Multimodal Prompts, Prompt Engineering, Generative AI, OpenAI, ChatGPT, Vision Transformer (ViT), Computer Vision, Artificial Intelligence
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Backlogs, AI Enablement, Business Process Automation, Project Management Software, Strategic Prioritization, Workflow Management, Prioritization, Project Management, Administrative Support, Automation, Delegation Skills, Generative AI Agents
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Object Oriented Programming (OOP), Test Script Development, Test Tools, Software Testing, Programming Principles, Software Installation, Scripting, Python Programming, Development Environment, Integrated Development Environments, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Security Testing, Continuous Monitoring, Cyber Security Assessment, Penetration Testing, Vulnerability Assessments, Intrusion Detection and Prevention, Vulnerability Scanning, Security Controls, White-Box Testing, Threat Detection, Threat Modeling
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Import/Export, Pandas (Python Package), Pivot Tables And Charts, Jupyter, Microsoft Excel, Data Analysis, Data Manipulation, Python Programming, Data Structures, Development Environment, Object Oriented Programming (OOP)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unix, Unix Commands, Shell Script, Bash (Scripting Language), Operating System Administration, Linux, File Systems, Operating Systems, Command-Line Interface, Performance Tuning, System Monitoring, System Programming, File Management, OS Process Management, System Configuration
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Nutrition Education, Nutrition and Diet, Public Policies, Public Health, Health Policy, Policy Analysis, Health Equity, Policy Development, Community Health, Program Evaluation, Advocacy
Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Data Security, Cyber Risk, Cybersecurity, Data Sharing, Cyber Attacks, Security Management, Cryptography, Security Software, Security Strategy, Network Security, Risk Modeling, Data Access, Statistical Methods
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Process Mapping, Process Analysis, Web Analytics, Dashboard, Process Design, Customer experience improvement, Driving engagement, Process Improvement and Optimization, User Feedback, Marketing Analytics, Customer Insights, Customer Analysis, Key Performance Indicators (KPIs), Analysis, Business Metrics, Data-Driven Decision-Making
Intermediate · Course · 1 - 4 Weeks