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.

SkillUp
Skills you'll gain: Systems Design, Business Process Modeling, Data Flow Diagrams (DFDs), Systems Analysis, Data Modeling, Digital Transformation, Business Process, Risk Management, Workflow Management, Systems Architecture, Business Analysis, Solution Design, Enterprise Resource Planning, Information Technology, Process Flow Diagrams, Prototyping, Computer Science, Agile Methodology, Product Lifecycle Management, Business Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Integrated Development Environments, Software Design Patterns
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Cost Estimation, Financial Modeling, Project Estimation, Investment Management, Risk Management, Finance, Spreadsheet Software, Financial Planning, Financial Analysis, Cost Accounting, Business Mathematics, Return On Investment, Cash Flows, Product Management
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Social Media Management, Social Media, Social Media Marketing, Google Ads, Digital Marketing, Email Marketing, Social Media Strategy, Digital Advertising, Web Analytics and SEO, Online Advertising, Social Media Campaigns, Digital Media Strategy, Paid media, Pay Per Click Advertising, Content Creation, Customer Retention, Search Engine Optimization, Presentations, Generative AI
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Shell Script, User Accounts, Linux Administration, Linux, Unix Shell, Linux Commands, Unix, Operating System Administration, File Systems, Performance Tuning, Systems Administration, Scripting, File Management, Data Storage, Authorization (Computing), Command-Line Interface, Operating Systems, System Monitoring
Intermediate · Course · 1 - 4 Weeks

Fred Hutchinson Cancer Center
Skills you'll gain: Collaborative Software, GitHub, Laboratory Reports, Technical Writing, Version Control, Document Management, Technical Documentation, Typography
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI Agents, Model Context Protocol, Retrieval-Augmented Generation, Generative Model Architectures, Model Deployment, Load Balancing, Large Language Modeling, Containerization, Docker (Software), Generative AI, Model Evaluation, Agentic systems, LangChain, Restful API, Cloud Deployment, Data Ethics, Data Validation, API Design, MLOps (Machine Learning Operations), Image Quality
Intermediate · Professional Certificate · 3 - 6 Months

Emory University
Skills you'll gain: Regression Analysis, Data Visualization, Business Mathematics, Descriptive Statistics, Microsoft Excel, Statistics, Business Analytics, Excel Formulas, Statistical Analysis, Algebra, Calculus, Arithmetic, Business
Beginner · Course · 1 - 3 Months

Skills you'll gain: Virtual Local Area Network (VLAN), Open Shortest Path First (OSPF), Network Routing, Network Switches, Routing Protocols, Virtual Networking, TCP/IP, Network Architecture, Local Area Networks, Network Troubleshooting, Network Protocols, System Configuration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Disaster Recovery, Business Continuity, Contingency Planning, Threat Management, Incident Management, Incident Response, Risk Analysis, Key Performance Indicators (KPIs), Vulnerability Assessments, Business Risk Management, Crisis Management, Business Analysis, IT Infrastructure, Test Planning, Product Testing, Operational Risk, Business Process, Performance Metric, Cloud Computing, Information Technology Architecture
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Pain Management, Public Health, Health Policy, Substance Abuse, Research, Hospice, Epidemiology, Chronic Diseases, Oncology, Pharmacology, Mental Health, Nutrition and Diet
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Command-Line Interface, C# (Programming Language), .NET Framework, Performance Tuning, Microsoft Visual Studio, Application Design, Application Programming Interface (API), Software Development Tools, File I/O, Authentications, Application Security, Software Testing, Unit Testing, Debugging
Beginner · Course · 3 - 6 Months