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 Palermo
Skills you'll gain: Art History, Aesthetics, Timelines, World History, Culture, European History, Design Elements And Principles
Beginner · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Positivity, Mental Health, Goal Setting, Growth Mindedness, Stress Management, Resilience, Productivity, Self-Awareness, Compassion, Behavioral Health, Psychology, Mindfulness, Social Impact, Decision Making
Beginner · Course · 1 - 3 Months

Skills you'll gain: Redis, NoSQL, Real Time Data, Data Structures, Event-Driven Programming, Scalability, Big Data, Query Languages, Data Modeling
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Anomaly Detection, Microsoft Azure, Event Monitoring, Application Performance Management, Time Series Analysis and Forecasting, Generative AI, Query Languages, Data Integration, Process Optimization, Data Analysis, User Feedback
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: C# (Programming Language), Artificial Intelligence
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Postman API Platform, Continuous Delivery, Web Services, API Design, Business Logic, Application Programming Interface (API), CI/CD, Software Testing, Test Execution Engine, Restful API, Interactive Data Visualization, Test Case, Server Side, Application Development, Web Applications, Automation, Debugging, Data Modeling, Software Installation
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Integral Calculus, Calculus, Data Integration, Vector Databases, Mathematical Theory & Analysis, Advanced Mathematics, Applied Mathematics, Mathematical Modeling, Spatial Data Analysis, Geometry, Physics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Google Analytics, Web Analytics, Web Analytics and SEO, Marketing Analytics, Content Performance Analysis, Data-Driven Decision-Making, Analytics, Performance Reporting, Driving engagement, Key Performance Indicators (KPIs), Performance Metric, Customer Insights, AI Personalization, Performance Analysis
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Logical Reasoning, Computational Logic, Deductive Reasoning, Computational Thinking, Theoretical Computer Science, Combinatorics, Algorithms, Python Programming, Computer Science, Program Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: iOS Development, Swift Programming, Apple iOS, Application Development, Mobile Development, User Interface (UI) Design, Software Architecture, Portfolio Management, Human Computer Interaction, Interactive Design, Usability, Software Design, Application Design, Software Design Patterns, Secure Coding, Object Oriented Programming (OOP), Financial Trading, Data Visualization Software, Application Lifecycle Management, Maintainability
Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: React Redux, React.js, Cascading Style Sheets (CSS), Web Components, JavaScript Frameworks, UI Components, HTML and CSS, Routing Protocols, Front-End Web Development, User Interface (UI), Web Frameworks, Maintainability, Authentications, Web Development Tools, Application Frameworks, Application Programming Interface (API), Web Design, Restful API, Javascript, Web Development
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Financial Statements
Beginner · Course · 1 - 4 Weeks