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.

Banco Interamericano de Desarrollo
Skills you'll gain: Failure Analysis, Risk Analysis, Risk Modeling, Risk Management, Project Risk Management, Analysis, Climate Change Adaptation, Data Analysis Software, Simulation and Simulation Software, Qualitative Research, Resilience
Advanced · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Physics, Emerging Technologies, Technical Communication, Physical Science, Computational Thinking, Image Analysis, Engineering, Scientific, and Technical Instruments, Data Analysis Software
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Bash (Scripting Language), Distributed Computing, Scalability, Software Architecture, File I/O, Big Data, Operating Systems, File Systems, Cloud Development, Scripting, Command-Line Interface, C and C++, Performance Tuning, Linux, Programming Principles, Computer Architecture, Communication Systems
Advanced · Specialization · 3 - 6 Months

The George Washington University
Skills you'll gain: Law, Regulation, and Compliance, Health Equity, Informed Consent, Pharmaceuticals, Health Care Procedure and Regulation, Healthcare Ethics, Public Health and Disease Prevention, Health Disparities, Public Health, Health Policy, Regulation and Legal Compliance, Advocacy, Policy Analysis, Intellectual Property
Mixed · Course · 1 - 3 Months

Pearson
Skills you'll gain: PySpark, Apache Hadoop, Apache Spark, Big Data, Apache Hive, Data Lakes, Analytics, Data Processing, Data Import/Export, Data Integration, Linux Commands, File Systems, Text Mining, Data Transformation, Data Management, Distributed Computing, Command-Line Interface, Relational Databases, Java, C++ (Programming Language)
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Back-End Web Development, Server Side, Middleware, Authentications, API Design, Application Programming Interface (API), User Accounts, Databases, JavaScript Frameworks, Scalability, GitHub, Development Environment, Data Validation
Intermediate · Course · 1 - 4 Weeks

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, File I/O, Scripting, File Management, Scripting Languages, Data Storage, Command-Line Interface, Operating Systems, System Monitoring, Dataflow
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Chemical Engineering, Hazard Analysis, Process Engineering, Safety Assurance, Safety Training, Risk Management, Process Control, Failure Analysis, Accident Prevention, Risk Analysis
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Typography, Design, Graphic Design, Graphic and Visual Design Software, Layout Design, Design Elements And Principles, Color Theory
Beginner · Course · 1 - 4 Weeks

École Polytechnique
Skills you'll gain: Emerging Technologies, Communication Systems, Telecommunications, Cryptography, Simulations, Physics, Computing Platforms, Algorithms, Mathematical Modeling
Mixed · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Cinematography, Videography, Post-Production, Video Production, Storytelling, Proposal Writing, Storyboarding, Target Audience, Presentations, Sales Presentations, Business Writing, Promotional Strategies, Marketing, Concision, Editing, Creativity, Writing, Color Matching
Beginner · Specialization · 3 - 6 Months

Yeshiva University
Skills you'll gain: Ancient History, Art History, World History, Research, Color Theory, Timelines, Cultural Diversity, Storytelling
Mixed · Course · 1 - 3 Months