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 Pennsylvania
Skills you'll gain: Self-Awareness, Research, Higher Education, Interviewing Skills, Planning, Student Services, Detail Oriented, Cultural Diversity, Decision Making
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: HTML and CSS, Software Documentation, Technical Documentation, Style Guides, Web Development, Technical Writing
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Excel Macros, Visual Basic (Programming Language), Data Import/Export, Programming Principles, Spreadsheet Software, UI Components, User Interface (UI), Automation, File I/O, Debugging, Data Validation
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Electrical Power, Electrical Systems, Electric Power Systems, Mechanical Engineering, Mechanical Design, Energy and Utilities, System Monitoring, Vibrations, Control Systems, Performance Tuning
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Cascading Style Sheets (CSS), JavaScript Frameworks, UI Components, Restful API, Web Applications, Web Development Tools, Web Development, Javascript, Application Development, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

Alberta Machine Intelligence Institute
Skills you'll gain: Supervised Learning, Machine Learning Algorithms, Applied Machine Learning, Classification Algorithms, Model Evaluation, Jupyter, Decision Tree Learning, Machine Learning, Data Preprocessing, Scikit Learn (Machine Learning Library), Business Solutions, Python Programming, Regression Analysis, Performance Analysis, Feature Engineering, Data Processing, Process Optimization
Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Intellectual Property, Educational Materials, Law, Regulation, and Compliance, Education and Training, Ethical Standards And Conduct
Mixed · Course · 1 - 3 Months

Yale University
Skills you'll gain: Social Impact, Design Thinking, Community Outreach, Organizational Structure, Stakeholder Engagement, Entrepreneurship, Sustainable Development, Research and Design, Business Modeling, Communication, Advocacy, Innovation, Program Evaluation, Fundraising
Beginner · Course · 1 - 3 Months

Skills you'll gain: Wireframing, User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Prototyping, Usability, Mockups, User Experience, UI Components, Application Design, Layout Design, User Flows
Beginner · Guided Project · Less Than 2 Hours
Google Cloud
Skills you'll gain: Google Docs, Collaborative Software, Document Management, Data Sharing, File Management, Version Control, Editing, Cloud Storage
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Data Processing, Databases, Database Systems, Data Storage, Database Management, Relational Databases, Query Languages, NoSQL, Transaction Processing, Data Management, Cloud Computing, Data Analysis, Unstructured Data, Data Visualization Software
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Preprocessing, Correlation Analysis, Seaborn, Data Cleansing, Data Visualization, Statistical Analysis, Data Manipulation, Data Analysis, Exploratory Data Analysis, Pandas (Python Package), Data Integration, Statistics, Python Programming
Intermediate · Guided Project · Less Than 2 Hours