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.

LearnQuest
Skills you'll gain: Network Troubleshooting, Hardware Troubleshooting, Network Administration, Desktop Support, System Support, Technical Support, Help Desk Support, Cloud Services, Security Management, Operating Systems, Computer Hardware
Beginner · Course · 1 - 3 Months
Skills you'll gain: SAS (Software), Network Analysis, Trend Analysis, Data Manipulation, Data Analysis, Forecasting, Data Quality, Text Mining, Data Visualization Software, Spatial Analysis, Dashboard, Analysis, Data Mapping, Analytics, Data Visualization, Time Series Analysis and Forecasting, Business Analytics, Interactive Data Visualization, Data-Driven Decision-Making, Predictive Analytics
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Color Matching, Video Production, Image Quality, Post-Production, Video Editing, Color Theory, Cinematography
Beginner · Course · 1 - 4 Weeks

The Linux Foundation
Skills you'll gain: Bash (Scripting Language), File Systems, Package and Software Management, Linux, Command-Line Interface, Unix Commands, Linux Commands, Shell Script, Scripting, Software Development Tools, File Management, Scripting Languages, Program Development, System Programming, Java, Debugging
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Electronic Medical Record, Clinical Informatics, Health Technology, Health Information Management, Decision Support Systems, Technical Support, End User Training and Support, Patient Registration, Databases, Change Control, Interoperability, Authentications
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Microsoft Excel, Visual Basic (Programming Language), Simulations, Code Review, User Interface (UI), Automation, Debugging, Data Management
Advanced · Course · 1 - 3 Months

Case Western Reserve University
Skills you'll gain: Nutrition and Diet, Meal Planning And Preparation, Nutrition Education, Goal Setting, Self-Discipline, Health And Wellness Coaching, Stress Management, Overcoming Obstacles, Smart Goals, Behavior Management, Exercise Science, Self-Awareness, Mindfulness
Beginner · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Cloud-Native Computing, Google Cloud Platform, Application Deployment, Scalability, Load Balancing, Containerization, Data Persistence, Data Storage, Cloud Security, General Networking
Intermediate · Course · 1 - 3 Months

Starweaver
Skills you'll gain: Customer experience strategy (CX), Service Design, Change Management, Social Media Campaigns, Hospitality Management, Social Media Marketing, Process Mapping, Key Performance Indicators (KPIs), Brand Management, Design Thinking, Brand Marketing, Service Management, Customer experience improvement, Digital Marketing, Design, Social Media Management, Prototyping, Content Marketing, Leadership, Search Engine Optimization
Intermediate · Specialization · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Data Storytelling, Data Visualization, Data Literacy, Infographics, Data Collection, Data Quality, Business Analytics, Data Visualization Software, Data-Driven Decision-Making, Analytics, Data Analysis, Communication, Digital Marketing, Health Care
Build toward a degree
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Model Based Systems Engineering, Systems Engineering, Requirements Analysis, Test Engineering, Systems Thinking, Systems Architecture, Test Planning, Systems Analysis, Functional Requirement, Risk Management Framework, System Testing, System Requirements, Verification And Validation
Build toward a degree
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: WordPress, Search Engine Optimization, Blogs, Web Analytics, Web Content, Keyword Research, Information Architecture, Content Management, Marketing, Analytics, Web Design, Web Development
Advanced · Guided Project · Less Than 2 Hours