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 San Diego
Skills you'll gain: Bioinformatics, Molecular Biology, Computational Thinking, Computer Programming Tools, Graph Theory, Mathematical Modeling, Python Programming, Biology
Intermediate · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: Instructional Strategies, Student-Centred Learning
Intermediate · Course · 1 - 3 Months
Starweaver
Skills you'll gain: Generative AI Agents, Generative Model Architectures, CrewAI, AI Orchestration, Generative AI, AI Workflows, Agentic systems, Prompt Patterns, Tool Calling, LLM Application, Model Deployment, Systems Architecture, Responsible AI, Context Management, Application Deployment, Collaboration, Data Integration, Job Evaluation, Logical Reasoning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Visualization, Matplotlib, Plotly, Scientific Visualization, Seaborn, Exploratory Data Analysis
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Firewall, Network Security, Intrusion Detection and Prevention, Information Systems Security, Security Controls, Network Monitoring, Threat Detection, Linux Administration, Linux
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Legal Technology, Legal Research, Litigation Support, Client Services, Mediation, Legal Strategy, Generative AI, Predictive Modeling, Artificial Intelligence, AI Workflows, Document Management, Automation
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Matplotlib, Data Visualization, Predictive Modeling, Pandas (Python Package), Data Visualization Software, Predictive Analytics, Regression Analysis, Data Analysis, Data Cleansing, Data Science, Machine Learning Algorithms, Statistical Inference, Statistical Modeling, Probability & Statistics, Classification Algorithms, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Command-Line Interface, Open Shortest Path First (OSPF), Network Monitoring, Virtual Local Area Network (VLAN), Border Gateway Protocol, Network Routing, Wireless Networks, Network Administration, Network Infrastructure, Local Area Networks, Event Monitoring, Network Switches, Network Troubleshooting, Network Protocols, Network Routers, TCP/IP, Network Architecture, Network Security, Service Level
Intermediate · Course · 3 - 6 Months

Skills you'll gain: SonarQube, Continuous Deployment, Configuration Management, Software Configuration Management, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AWS SageMaker, AWS Identity and Access Management (IAM), Dashboard, Amazon Web Services, Interactive Data Visualization, Data Visualization Software, Amazon Redshift, Big Data, Cloud Security, Security Controls, Encryption, Applied Machine Learning, Amazon Elastic Compute Cloud, Amazon S3, Key Management
Advanced · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Business Analysis, Project Management, Risk Management, Project Planning, Data Visualization, Agile Project Management, Microsoft Excel, Cost Management, Business Systems Analysis, Project Management Office (PMO), Stakeholder Engagement, Excel Formulas, Scope Management, Pivot Tables And Charts, Dashboard, Business Analytics, Stakeholder Management, Business Requirements, Data Analysis, Data Validation
Beginner · Specialization · 1 - 3 Months

Northeastern University
Skills you'll gain: Systems Thinking, Software Visualization, Software Engineering, Object Oriented Programming (OOP), Application Design, Software Development Life Cycle, Software Design, Systems Development, Software Development, Business Architecture, Business Risk Management, User Centered Design, Process Design
Beginner · Course · 1 - 4 Weeks