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.

Princeton University
Skills you'll gain: Programming Principles, Computer Programming, Object Oriented Programming (OOP), Performance Tuning, Data Structures, Java Programming, Java, Program Development, File I/O, Computational Thinking, Computer Science, Algorithms, Animations, Debugging
Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: digital literacy, Open Source Technology, Human Computer Interaction, Design Thinking, Program Development, Community Development, Data Mapping, Liberal Arts, Project Planning, Technical Communication, Data Analysis Software, Research Methodologies, Intellectual Property, Computer Science
Beginner · Course · 1 - 4 Weeks
Stanford University
Skills you'll gain: Game Theory, Bidding, Social Sciences, Resource Allocation, Policy Analysis, Economics, Behavioral Economics, Decision Making, Socioeconomics, Mathematical Theory & Analysis
Advanced · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Performance Management, Performance Appraisal, Performance Review, Employee Performance Management, Constructive Feedback, People Management, Staff Management, Employee Engagement, Goal Setting, Culture
Mixed · Course · 1 - 4 Weeks
University of California San Diego
Skills you'll gain: Biotechnology, Biochemistry, Manufacturing and Production, Food and Beverage, Sustainable Design, Chemical Engineering, Pharmaceuticals, Environment and Resource Management, Biology, Taxonomy, Environmental Science, Microbiology, Process Engineering, Laboratory Testing
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Vocabulary, Critical Thinking, Deductive Reasoning, Problem Solving, Grammar, English Language, Analytical Skills, Learning Strategies, Verbal Communication Skills, Complex Problem Solving, Decision Making, Communication
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Molecular Biology, Biochemistry, Human Development, Biology, Life Sciences, Environment, Chemistry, Cell Biology, Environmental Issue, Child Development, Environmental Science, Environmental Resource Management, Music, Biotechnology, General Science and Research, Decision Making, Natural Resource Management, Liberal Arts, Oncology, Sustainable Development
Beginner · Specialization · 3 - 6 Months

Digital Marketing Institute
Skills you'll gain: Social Media Marketing, Social Media, Social Media Strategy, Social Media Management, Digital Media Strategy, Facebook, Content Marketing, Instagram, LinkedIn, Digital Marketing, Social Media Campaigns, Marketing, Target Audience, Marketing Strategies, Advertising Campaigns, Digital Content, Digital Advertising, Web Analytics, Brand Awareness, B2B Sales
Beginner · Specialization · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Bayesian Network, Computational Logic, Program Development, Artificial Intelligence, Markov Model, Artificial Intelligence and Machine Learning (AI/ML), Algorithms, Computational Thinking, Creativity, Game Theory, Theoretical Computer Science, Software Development, Generative AI, Logical Reasoning, Python Programming, Applied Machine Learning, Responsible AI, Social Sciences, Bioinformatics, Machine Learning
Intermediate · Specialization · 3 - 6 Months

University of Florida
Skills you'll gain: Emotional Intelligence, Professional Development, Performance Review, Team Building, Employee Performance Management, Personal Development, Self-Awareness, Team Management, People Management, Interpersonal Communications, Interviewing Skills, Writing, Leadership
Beginner · Course · 1 - 3 Months

HubSpot Academy
Skills you'll gain: Inside Sales, Sales Training, Consultative Selling, Sales, Sales Strategy, Sales Process, Relationship Building, Customer Relationship Building, Customer Analysis, Personalized Service, Communication
Beginner · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Presentations, Sales Presentation, Persuasive Communication, Microsoft PowerPoint, Public Speaking, Verbal Communication Skills, Data Visualization, Marketing Materials, English Language
Intermediate · Course · 1 - 4 Weeks