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.

Microsoft
Skills you'll gain: Storyboarding, User Research, Information Architecture, User Experience Design, Design Thinking, Prototyping, Usability Testing, User Experience, Persona (User Experience), Wireframing, Design Research, User Interface and User Experience (UI/UX) Design, Interaction Design, Web Content Accessibility Guidelines, Human Centered Design, Figma (Design Software), Usability, User Interface (UI) Design, User Centered Design, Artificial Intelligence
Beginner · Professional Certificate · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Knitr, Data Sharing, General Science and Research, Statistical Reporting, Data Analysis, Statistical Analysis, Data Validation, Exploratory Data Analysis, R Programming, Technical Communication, GitHub, Git (Version Control System), Software Documentation
Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Linux, Linux Commands, Ubuntu, Linux Administration, File Management, Command-Line Interface, Servers, Operating Systems, Web Servers, IT Automation, MySQL, Open Source Technology, Service Management
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Oral Comprehension, Vocabulary, Literacy, English Language, Language Competency, Grammar, Writing, Language Learning
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Embedded Systems, Embedded Software, Robotics, Electronic Systems, PIC Microcontrollers, Computer Systems, Internet Of Things, Automation, Control Systems, C (Programming Language), Peripheral Devices, Wireless Networks, Medical Devices, Electric Power Systems, Computer Architecture, Civil Engineering, Cybersecurity, Public Works, Cloud Computing, Electronic Hardware
Intermediate · Specialization · 3 - 6 Months
University of Pennsylvania
Skills you'll gain: Growth Mindedness, Personal Development, Optimism, Self-Awareness, Self-Motivation, Goal Setting, Adaptability, Strong Work Ethic, Cultural Diversity
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Business Valuation, Fixed Asset, Financial Statement Analysis, Financial Management, Corporate Finance, Capital Budgeting, Performance Measurement, Portfolio Management, Business Mathematics, Financial Data, Finance, Investment Management, Project Finance, Financial Analysis, Budgeting, Financial Modeling, Balance Sheet, Capital Markets, Financial Policy, Microsoft Excel
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Constructive Feedback, Recognizing Others, Team Motivation, Tactfulness, Performance Review, Performance Management, Employee Performance Management, Staff Management, Emotional Intelligence, Coaching, Creativity, Communication
Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Team Performance Management, Systems Thinking, Cognitive flexibility, Team Building, Knowledge Transfer, Innovation, Organizational Development, Organizational Effectiveness, Creative Thinking, Problem Solving, Adaptability, Decision Making, Culture
Mixed · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Team Building, Teamwork, Team Management, Team Leadership, Conflict Management, Team Motivation, Collaboration, Virtual Teams, Performance Management, Organizational Structure, Leadership, Innovation, People Development, Industrial and Organizational Psychology, Diversity and Inclusion, Goal Setting, Decision Making
Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Advertising, English Language, Media and Communications, Vocabulary, Literacy, Electronic Media, Cultural Diversity, Journalism, Social Impact, Grammar, Facebook
Mixed · Course · 1 - 3 Months

ESSEC Business School
Skills you'll gain: Hospitality Management, Hospitality, Marketing Channel, Business Modeling, Revenue Management, Direct Marketing, Booking (Sales), E-Commerce, Online Advertising, Web Analytics, Marketing Strategies, Web Design and Development
Mixed · Course · 1 - 4 Weeks