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.

KodeKloud
Skills you'll gain: AWS SageMaker, Model Deployment, MLOps (Machine Learning Operations), Data Governance, Data Management, Data Security, Application Deployment, Personally Identifiable Information, Cloud Deployment, General Data Protection Regulation (GDPR), Continuous Deployment, Model Evaluation, Application Programming Interface (API)
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Calculus, Applied Mathematics, Trigonometry, Mathematical Modeling, Algebra, Derivatives, Geometry
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Storyboarding, User Experience Design, Design Reviews, Figma (Design Software), UI/UX Research, Graphic and Visual Design, Wireframing, User Story, Usability Testing, Information Architecture, Mockups, Adobe XD, Ideation, Responsive Web Design, Layout Design, User Experience, Design Elements And Principles, User Research, User Interface and User Experience (UI/UX) Design, User Centered Design
Beginner · Professional Certificate · 3 - 6 Months

École Polytechnique
Skills you'll gain: Probability, Probability Distribution, Statistics, Statistical Inference, Simulations, Mathematical Theory & Analysis, Calculus
Mixed · Course · 1 - 3 Months

Skills you'll gain: Program Development, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: UI Components, Image Analysis, Application Design
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Compassion, Mindfulness, Resilience, Program Evaluation, Stress Management, Patient-centered Care, Training Programs, Emotional Intelligence, Empathy, Self-Awareness, Patient Communication, Professional Development, Active Listening, Data Analysis, Analytical Skills, Qualitative Research, Surveys
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SketchUp (3D Modeling Software), AutoCAD, 3D Modeling, Visualization (Computer Graphics), Animations
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Accounting Records, Auditing, Record Keeping, Compliance Auditing, Metadata Management, Records Management, Financial Auditing, Document Management, Organizational Skills, Operational Efficiency, Information Management, Information Architecture, QuickBooks (Accounting Software), Systems Design, File Management, Data Validation, Verification And Validation, Excel Formulas, Microsoft Excel
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Brand Strategy, Marketing Effectiveness, Brand Awareness, Marketing Planning, Strategic Marketing, Brand Management, Marketing Strategies, Business Priorities, Campaign Management, Marketing Analytics, Market Analysis, Strategic Planning, Key Performance Indicators (KPIs), Stakeholder Communications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: System Design and Implementation, Model Deployment
Beginner · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Emergency Services, Family Support, Safety and Security, Resilience, Empathy, Communication Strategies
Beginner · Course · 1 - 3 Months