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.

AI CERTs
Skills you'll gain: Agentic systems, Responsible AI, Data Pipelines, Law, Regulation, and Compliance, Data Ethics, Model Evaluation, Information Privacy, Data Processing, AI Workflows, Data Analysis, No-Code Development, Analytical Skills, Machine Learning, Artificial Intelligence, Real Time Data, Ethical Standards And Conduct, Machine Learning Algorithms, Data Collection
Intermediate · Course · 1 - 3 Months

Universiteit Leiden
Skills you'll gain: Language Competency, Language Learning, Language Disorders, Anthropology, Multilingualism, English Language, Communication Disorders, Cultural Diversity, Oral Comprehension, Interviewing Skills, Vocabulary, Grammar, Cultural Sensitivity, Interpersonal Communications, Social Sciences, Sociology, Research Methodologies
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Event Marketing, Marketing Design, Canva (Software), Marketing Materials, A/B Testing, Promotional Materials, Event Management, Logo Design, Email Marketing, Cross-Channel Marketing, Social Media Campaigns, Branding, Drive Engagement, Experience Design, Graphic and Visual Design, Typography, Design Elements And Principles, Color Theory
Beginner · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Three-Phase, Electrical Engineering, Electric Power Systems, Electrical Power, Power Electronics, Electronic Components, Electronics, Network Analysis, Simulation and Simulation Software
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Generative AI, A/B Testing, Generative AI Agents, Content Creation, Text Mining
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Medical Office Procedures, Emergency Departments, Medical Emergency, Emergency Response, Triage, Urgent Care, Emergency Medicine, Patient Communication, Patient Coordination, Patient Safety, Incident Response, Communication Strategies, Stress Management
Beginner · Course · 1 - 4 Weeks

The University of Melbourne
Skills you'll gain: Financial Analysis, Financial Statement Analysis, Financial Statements, Corporate Finance, Financial Management, Portfolio Risk, Accounting, Financial Systems, Financial Modeling, Investments, Capital Markets, Market Liquidity, Balance Sheet, Derivatives, Financial Market, Income Statement, Financial Data, Financial Reporting, Business Valuation, International Finance
Intermediate · Specialization · 3 - 6 Months

University of New Mexico
Skills you'll gain: Middleware, Web Applications, Agile Software Development, Application Frameworks, Ruby on Rails, User Interface (UI), Software Development, Web Design, Data Modeling, Ajax, Software Architecture, Full-Stack Web Development, Model View Controller, Git (Version Control System), Software Development Tools, Relational Databases, Software Design Patterns, Javascript, Network Protocols
Mixed · Course · 1 - 3 Months

Skills you'll gain: Campaign Management, LinkedIn, Social Media Campaigns, Advertising Campaigns, Digital Advertising, Online Advertising, Performance marketing, Paid media, Lead Generation, Billing, Bidding, Advertising, Event Marketing, Driving engagement, Account Management, Target Audience, Budgeting, Data Import/Export
Beginner · Course · 1 - 4 Weeks

Knowledge Accelerators
Skills you'll gain: Responsible AI, Microsoft Copilot, Microsoft 365, Generative AI Agents, Microsoft Power Platform, AI Security, Generative AI, AI Workflows, Governance, Large Language Modeling, Prompt Engineering, Ethical Standards And Conduct, Risk Mitigation
Advanced · Course · 1 - 3 Months

Rice University
Skills you'll gain: Computational Thinking, Event-Driven Programming, Algorithms, Combinatorics, Graph Theory, Programming Principles, Application Development, Object Oriented Programming (OOP), Data Structures, Probability, Bioinformatics, Interactive Design, Program Development, Big Data, Python Programming, Data Analysis, User Interface (UI), Machine Learning Algorithms, Theoretical Computer Science, Computer Programming
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Prompt Engineering, Microsoft Copilot, AI Workflows, AI Enablement, Generative AI Agents, Model Deployment, No-Code Development, Performance Tuning, Business Logic, Application Deployment, Scalability, Data Integration, User Feedback
Intermediate · Course · 1 - 4 Weeks