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.

The Hong Kong University of Science and Technology
Skills you'll gain: White-Box Testing, Acceptance Testing, Software Development Methodologies, Configuration Management, Debugging, Software Development Life Cycle, Software Testing, Software Development, Software Engineering, Unified Modeling Language, System Testing, Integration Testing, User Acceptance Testing (UAT), Unit Testing, Secure Coding, Test Case, Requirements Analysis, Waterfall Methodology, Agile Methodology, Project Management
Intermediate · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Prompt Engineering, Image Analysis, Data Visualization Software, File I/O, Matlab, Algorithms, User Interface (UI), Applied Machine Learning, ChatGPT, Scatter Plots, Object Oriented Programming (OOP), Digital Signal Processing, Mathematical Software, Computer Programming, Histogram, Predictive Modeling, AI Personalization, Data Processing, Data Analysis, Programming Principles
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Test Case, Software Testing, Cascading Style Sheets (CSS), Application Frameworks, Browser Compatibility, Javascript and jQuery, Web Scraping, Automation, Python Programming, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Embedded Systems, Embedded Software, Software Design, Linux, System Design and Implementation, OS Process Management, C (Programming Language), Verification And Validation, Mathematical Modeling, Algorithms, Applied Mathematics
Advanced · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Conflict Management, Negotiation, Expectation Management, Collaboration, Brainstorming, Follow Through, Problem Solving, Honesty, Emotional Intelligence, Creative Problem-Solving, Communication
Beginner · Course · 1 - 3 Months

Harvard Business Review
Skills you'll gain: Performance Measurement, Team Performance Management, Performance Metric, Performance Management, Goal Setting, Smart Goals, Employee Performance Management, Key Performance Indicators (KPIs), Performance Analysis, Performance Reporting, Performance Improvement, Organizational Effectiveness, Productivity, Business Priorities, Organizational Strategy, Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Immunology, Molecular Biology, Physiology, Cell Biology, Biology, Biochemistry
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Apache Hadoop, Big Data, Data Analysis, Apache Spark, Data Science, PySpark, Data Infrastructure, Data Processing, Distributed Computing, Performance Tuning, Scalability, Data Storage, Python Programming
Mixed · Course · 1 - 3 Months

Skills you'll gain: Bootstrap (Front-End Framework), Browser Compatibility, Responsive Web Design, Web Design and Development, Cascading Style Sheets (CSS), Front-End Web Development, UI Components, React.js, Web Applications, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Meeting Facilitation, Business Communication, Business Correspondence, Telephone Skills, Writing, Employee Coaching, Business Leadership, English Language, Staff Management, Recruitment, Verbal Communication Skills, Team Building, Communication
Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Grammar, English Language, Vocabulary
Intermediate · Course · 1 - 4 Weeks

Tsinghua University
Skills you'll gain: Blended Learning, Digital pedagogy, Education Software and Technology, Emerging Technologies, Digital Transformation, Innovation
Beginner · Course · 1 - 3 Months