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: Digital Transformation, Supply Chain Management, E-Commerce, Supply Chain, Analytics, Business Analytics, Business Technologies, Advanced Analytics, Descriptive Analytics, Customer Demand Planning, Customer experience strategy (CX), Predictive Analytics, Data-Driven Decision-Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Human Resources, Data Ethics, Generative AI, AI Enablement, Recruitment, Talent Recruitment, Employee Engagement, Human Resource Strategy, AI Personalization, Employee Performance Management, Automation, Artificial Intelligence and Machine Learning (AI/ML), Business Ethics, Data-Driven Decision-Making
Beginner · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Responsible AI, LLM Application, Ethical Standards And Conduct, Content Creation
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Business Analytics, Analytics, Data Analysis, Business Intelligence, Analytical Skills, Business Analysis, Advanced Analytics, Data-Driven Decision-Making, Trend Analysis, Predictive Analytics, Data Strategy, Data Warehousing, Data Science
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Email Marketing, Social Media Marketing, Point of Sale, Social Media, Brand Loyalty, Customer Retention, Customer Relationship Management, Customer Engagement, Shipping and Receiving, Customer Analysis, E-Commerce, Relationship Building, Marketing Planning, Digital Marketing, Content Creation, User Feedback, Process Optimization, Content Strategy, Business Marketing, Contextual Advertising
Beginner · Specialization · 3 - 6 Months

Interactive Brokers
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Market Data, Financial Data, Investments, Data Collection, Due Diligence, Big Data, Analytics, Investment Management, Financial Market, Business Ethics, Real Time Data, Sustainable Business, Artificial Intelligence, Machine Learning, Natural Language Processing
Beginner · Course · 1 - 3 Months

United Cities and Local Governments of Africa
Skills you'll gain: Project Finance, Risk Management, Finance, Financial Policy, Case Studies, Community Development, Decision Making, Economic Development, Sustainable Development, Economics, Revenue Management, Governance
Beginner · Course · 1 - 3 Months

Nanjing University
Skills you'll gain: Biochemistry, Molecular Biology, Cell Biology, Chemistry, Physiology, Analytical Chemistry, Biology, Bioinformatics, Structural Analysis, Experimentation
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Ajax, JSON, Javascript, Frontend Integration, Application Programming Interface (API), Restful API, Web Applications, Application Security, Debugging
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Self-Awareness, Personal Development, Emotional Intelligence, Time Management, Decision Making, Engineering Management, Cognitive flexibility, Leadership, Critical Thinking, Psychology, Adaptability
Build toward a degree
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Interpersonal Communications, Verbal Communication Skills, Active Listening, Constructive Feedback, Communication, Technical Management, Trustworthiness, Rapport Building, Business Communication, Non-Verbal Communication, Management Training And Development, Professional Development, Supervision, Leadership, Emotional Intelligence, Leadership Development, Coaching
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Business Modeling, Design Thinking, Innovation, Ideation, Entrepreneurship, Business Strategy, Customer Insights, Market Opportunities, Product Management, Creativity, Product Strategy, Value Propositions, Fundraising
Intermediate · Course · 1 - 3 Months