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.

EDHEC Business School
Skills you'll gain: Environmental Policy, Economics, Climate Change Mitigation, Cost Benefit Analysis, Policy Analysis, Environmental Regulations, Market Analysis, Financial Market, Tax, Financial Trading, Mathematical Modeling
Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Conflict Management, Teamwork, Negotiation, Expectation Management, Collaboration, Brainstorming, Follow Through, Problem Solving, Honesty, Communication
Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Writing, Literacy, Grammar, English Language, Language Learning, Vocabulary
Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Construction Management, Project Controls, Construction Estimating, Project Schedules, Change Control, Contract Management, Timelines, Occupational Safety And Health, Scheduling, Project Coordination, Project Documentation, Communication Planning, Project Planning, Safety Assurance, Cost Control, Arbitration
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Salesforce, Authentications, Salesforce Development, Data Access, Role-Based Access Control (RBAC), Security Controls, Data Security, Authorization (Computing), Event Monitoring, Application Security, Security Strategy, Data Sharing, Responsive Web Design, Compliance Reporting, User Accounts, Application Development, Mobile Development, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Trigonometry, Probability, Data Analysis, Algebra, Probability Distribution, Descriptive Statistics, Mathematical Modeling, Graphing, Statistics, Geometry, Arithmetic
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SketchUp (3D Modeling Software), 3D Modeling, Architectural Design, Visualization (Computer Graphics), Computer Graphics, Computer Graphic Techniques, Layout Design
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Market Dynamics, Supply And Demand, Game Theory, Economics, Market Trend, Business Economics, Market Analysis, Operating Cost, Business Strategy, Competitive Analysis, Cost Management, Strategic Decision-Making, Decision Making
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Algebra, Graphing, Advanced Mathematics, Logical Reasoning, General Mathematics, Mathematical Theory & Analysis, Applied Mathematics, Mathematical Modeling, Visualization (Computer Graphics), Correlation Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Typography, Marketing Materials, Marketing Design, Graphic Design, Marketing Collateral, Layout Design, User Feedback, Marketing, Brochures, Digital Design, Storyboarding, Adobe Photoshop, Adobe Illustrator, Constructive Feedback, Design Elements And Principles, Image Quality, File Management, Color Theory
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PHP (Scripting Language), Full-Stack Web Development, Server Side
Beginner · Course · 1 - 4 Weeks

University of Alberta
Skills you'll gain: Biology, Life Sciences, Taxonomy, Timelines, Research
Mixed · Course · 1 - 3 Months