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.

LearnQuest
Skills you'll gain: Account Management, Consultative Selling, Selling Techniques, Business Risk Management, Upselling, Business Metrics, Business Communication, Overcoming Objections, Sales Process, Solution Selling, Business Transformation, Virtual Teams, Customer Engagement, Strategic Thinking, Stakeholder Engagement, Innovation, Strategic Communication, Stakeholder Analysis, Value Propositions, Business Analytics
Beginner · Specialization · 1 - 3 Months

Wesleyan University
Skills you'll gain: Storytelling, Writing, Writing and Editing, Content Creation, Creativity
Mixed · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Governance, Corporate Sustainability, Diversity and Inclusion, Corporate Strategy, Business Ethics, Crisis Management, Social Impact, Stakeholder Management, Strategic Communication, Stakeholder Engagement, Risk Management, Executive Recruitment, Succession Planning
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Maintainability, Code Review, Test Driven Development (TDD), API Testing, LLM Application, API Design, Microsoft Visual Studio, Software Engineering, Engineering Software, Software Technical Review, Program Development, Application Lifecycle Management, Unit Testing, Microservices, Peer Review, Quality Assessment
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Proposal Writing, Fundraising, Prospecting and Qualification, Business Writing, Stakeholder Management, Negotiation, Compliance Reporting, Relationship Building, Communication Strategies
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: TypeScript, Programming Principles, Web Development Tools, Javascript, Web Language
Beginner · Guided Project · Less Than 2 Hours

MedCerts
Skills you'll gain: Medication Therapy Management, Asepsis, Drug Interaction, Medication Administration, Pharmacology, Patient-centered Care, Pharmacist Assistance, Pharmacy, Intravenous Therapy, Sterile Procedure, Personal protective equipment
Intermediate · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Mechanics, Differential Equations, Mathematical Modeling, Engineering Analysis, Geometry, Linear Algebra, Simulation and Simulation Software, Numerical Analysis, Applied Mathematics, Physics, Calculus
Advanced · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Financial Modeling, Blockchain, FinTech, Portfolio Risk, Entrepreneurial Finance, Financial Market, Business Valuation, Risk Management, Excel Formulas, Emerging Technologies, Cryptography, Risk Analysis, Fundraising and Crowdsourcing, Financial Trading, Probability Distribution, R (Software), Financial Analysis, Entrepreneurship, Finance, Microsoft Excel
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Visualization, Dashboard, Exploratory Data Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Version Control, GitHub, Jupyter, Git (Version Control System), Generative AI, Software Documentation, Automation
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Substance Abuse, Mental Health, Neurology, Mathematical Modeling, Patient Safety, Physiology, Cardiology, Accident Prevention, Public Health, Pharmacology, Public Health and Disease Prevention, Biology
Beginner · Course · 1 - 3 Months