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.

Universidad de los Andes
Skills you'll gain: TypeScript, Javascript, Scripting, Scripting Languages, Hypertext Markup Language (HTML), Web Development Tools, Object Oriented Programming (OOP), Programming Principles
Intermediate · Guided Project · Less Than 2 Hours

University of Amsterdam
Skills you'll gain: Qualitative Research, Interviewing Skills, Social Sciences, Research, Science and Research, Research Methodologies, Data Collection, Surveys, Research Design, Report Writing, Ethical Standards And Conduct
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Debugging, Java, Algorithms, Java Programming, Program Development, Programming Principles, Statistical Analysis, Software Design, Computer Programming, Data Import/Export, Integrated Development Environments, File I/O, Data Processing, Software Documentation, Data Manipulation, Object Oriented Programming (OOP), API Design, Data Analysis, Software Testing, Problem Solving
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Social Media Marketing, Instagram, Business Intelligence, Predictive Modeling, Predictive Analytics, Case Studies
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Customer Engagement, Sales Training, Employee Retention, Sales Enablement, Sales Management, Innovation, Sales Strategy, Sales, Sales Development, Sales Territory Management, Stress Management, Team Building, Professional Networking, Technical Sales, Growth Strategies, Market Opportunities, Continuous Improvement Process, Constructive Feedback, Personalized Service, Resilience
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Cloud Platform, Cloud Infrastructure, Kubernetes, Cloud Deployment, Infrastructure As A Service (IaaS), Model Deployment, Network Performance Management, Application Deployment, Cloud Engineering, AI Orchestration, Containerization, Performance Tuning, Network Planning And Design, Distributed Computing, System Configuration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Photo Editing, Adobe Illustrator, Color Theory, Adobe Express, Adobe Photoshop, Responsible AI, Typography, Generative AI, Graphic and Visual Design, Graphic Design, Graphic and Visual Design Software, Photography, Adobe Creative Cloud, Design Elements And Principles, Layout Design, Creative Design, Logo Design, Digital Design, Branding, Storytelling
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Bookkeeping, Accounting Records, Ledgers (Accounting), Accounting, General Ledger, Financial Reporting, Standard Accounting Practices, Financial Accounting, Cash Flow Forecasting, Record Keeping, Financial Statements
Beginner · Course · 1 - 4 Weeks

The University of Tokyo
Skills you'll gain: Game Theory, Social Sciences, Negotiation, Behavioral Economics, Economics, Strategic Decision-Making, Decision Making, Business Strategy, Strategic Planning, Probability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Stakeholder Engagement, Business Metrics, Web Analytics, Business Analytics, Analytics, Key Performance Indicators (KPIs), Data Storytelling, Performance Analysis, Presentations, Stakeholder Communications, Marketing Analytics, Strategic Communication, Marketing Effectiveness
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Consultative Selling, Sales Prospecting, Personal Development, Sales Operations, Sales Management, Sales Training, Communication, User Research, Mentorship, Negotiation, Persona Development, Process Optimization, B2B Sales, Interpersonal Communications, Customer Analysis, Employee Coaching, Forecasting, Self-Awareness, Customer Relationship Management (CRM) Software, Account Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Agentic Workflows, Prompt Engineering, Agentic systems, AI Personalization, AI Enablement, Artificial Intelligence, Human Computer Interaction, Human Centered Design, Responsible AI, User Flows, User Experience Design, Context Management
Intermediate · Course · 1 - 4 Weeks