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.

LearnKartS
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Software Design Patterns, Middleware
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, Network Monitoring, Network Administration, Network Security, Firewall, Ansible, System Monitoring, Network Protocols, Security Controls, Software-Defined Networking, Puppet (Configuration Management Tool), Chef (Configuration Management Tool), Network Switches, Real Time Data, Authentications, Scripting, JSON, Automation, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Grammar, Vocabulary, English Language, Language Learning
Beginner · Course · 1 - 4 Weeks

Digital Marketing Institute
Skills you'll gain: Social Media Marketing, Social Media, Social Media Strategy, Social Media Management, Social Media Campaigns, Instagram, Content Performance Analysis, Digital Advertising, Facebook, Digital Marketing, Paid media, Content Creation, Content Strategy, Customer Engagement, Target Audience
Beginner · Course · 1 - 4 Weeks

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Graph Theory, Computational Thinking, Theoretical Computer Science, Computer Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Docker (Software), Containerization, Ubuntu, Cloud-Native Computing, Application Deployment, Unix, Linux, Virtualization and Virtual Machines, Virtual Machines
Intermediate · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Theoretical Computer Science, Data Structures, Computer Science, Computer Architecture, Algorithms, Programming Principles, Computational Logic, Java Programming, Computer Hardware, Scalability
Intermediate · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Prototyping, 3D Modeling, Industrial Design, Computer-Aided Design, Manufacturing Processes, Cost Estimation, Research and Design, Materials science, Mechanical Engineering, Electronics
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Regression Analysis, Statistical Hypothesis Testing, Statistical Analysis, Probability & Statistics, Statistical Methods, Probability Distribution, Data Analysis, Markov Model, Data Science, Statistics, Statistical Inference, Probability, R Programming
Intermediate · Course · 1 - 3 Months

Universiteit Leiden
Skills you'll gain: Political Sciences, International Relations, Sustainable Development, Socioeconomics, Economic Development, Governance, Policty Analysis, Research, and Development, Economics, Global Marketing, Cultural Diversity, Sociology, Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Operating System Administration, Local Area Networks, Software Installation, Command-Line Interface, Microsoft Windows, System Configuration, System Support, Desktop Support, TCP/IP, Linux, General Networking, Patch Management, Operating Systems, User Accounts, Network Routers, System Monitoring, Hardware Troubleshooting, Network Troubleshooting, Mac OS, Network Security
Intermediate · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Law, Regulation, and Compliance, Data-Driven Decision-Making, Data Analysis, Regulation and Legal Compliance, Analytics, Trend Analysis, Data Management, Contract Management, Contract Negotiation, Negotiation, Relationship Building, Ethical Standards And Conduct, Operations Management
Beginner · Course · 1 - 3 Months