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.

Packt
Skills you'll gain: Build Tools, Continuous Integration, CI/CD, Software Configuration Management, Unit Testing, Configuration Management, Software Development Tools, Test Tools, Maintainability, Development Environment, Cross Platform Development, Package and Software Management, Command-Line Interface, Software Engineering, Software Installation, Dependency Analysis
Beginner · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Business Development, Strategic Partnership, Negotiation, New Business Development, Relationship Building, Business Relationship Management, Professional Networking, Business Strategies, Sales Prospecting, Business Communication
Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Business Intelligence, Business Analytics, Business Reporting
Mixed · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: TikTok, LinkedIn, Closing (Sales), Strategic Partnership, Podcasting, Thought Leadership, Content Creation, Social Media Content, Brand Awareness, Social Media, Productivity Software, Social Media Marketing, Brand Strategy, Content Strategy, Business Planning, Business Relationship Management, Contract Negotiation, Web Analytics and SEO, Negotiation, Proposal Writing
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Time Management, Inventory Management System, Prioritization, Order Management, Patient Flow, Inventory Control, Clinic Management Systems, Medical Management, Health Care Administration, Health Administration, Medical Office Procedures, Record Keeping, Service Management, Coordination, Client Services
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Scalability, Software Testing, Web Applications, Maintainability, Hypertext Markup Language (HTML)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Reality, UI Components
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Software Architecture, Computer Graphics, Software Design, Maintainability, Software Design Patterns, Scalability, System Design and Implementation, Debugging, Performance Tuning
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Management Accounting, Operations Management, Marketing Planning, Organizational Strategy, Marketing, Performance Measurement, Product Strategy, Supply Chain, Continuous Improvement Process, Manufacturing Operations, Operational Analysis, Integrated Marketing Communications, Business Operations, Operations, Marketing Management, Process Improvement, Cost Accounting, Performance Analysis, Supply Chain Management, Quality Control
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Databases, Query Languages, Database Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unsupervised Learning, Feature Engineering, Model Evaluation, Applied Machine Learning, Statistical Machine Learning, Predictive Modeling, Supervised Learning, Clinical Informatics, Machine Learning, Health Informatics, Data Preprocessing, Clinical Data Management, Predictive Analytics, Patient Safety, Decision Tree Learning, Time Series Analysis and Forecasting, Logistic Regression, Forecasting, Classification Algorithms, Dimensionality Reduction
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Computer Graphic Techniques
Intermediate · Course · 1 - 3 Months