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.

Coursera
Skills you'll gain: Google Analytics, Marketing Analytics, Marketing Budgets, Marketing Effectiveness, Web Analytics, Data-Driven Decision-Making, Return On Investment, Analytics, Performance marketing, Campaign Management, Financial Analysis, Event Monitoring, Data Analysis, Performance Analysis, Budget Management, Decision Making, Report Writing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Descriptive Analytics, SPSS, Logistic Regression, SPSS (Software), Regression Analysis, Correlation Analysis, Data Analysis, Statistical Modeling, Exploratory Data Analysis, Data Storytelling, Statistical Analysis, Predictive Modeling, Statistical Visualization, Scatter Plots, Probability & Statistics, Data Preprocessing, Data Visualization Software
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Life Sciences, Human Development, Biology, Case Studies, Environment, World History, European History, Taxonomy, Specimen Collection, Mathematical Modeling, Scientific Methods, Probability & Statistics
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: User Interface (UI)
Beginner · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Spatial Analysis, Geographic Information Systems, Geospatial Mapping, Spatial Data Analysis, Augmented Reality, Data Visualization Software, Data Mapping, Color Theory, Database Management
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Microsoft Word, Excel Macros, Microsoft 365, Collaborative Software, Microsoft Office, Document Management, Microsoft Windows, Productivity Software, Collaboration, Technical Documentation, Productivity, Report Writing, Writing, Editing, Writing and Editing, Web Content Accessibility Guidelines, Web Content, Business Writing, Computer Literacy, Business Communication
Mixed · Course · 1 - 3 Months

Infosec
Skills you'll gain: Authentications, Cryptography, Secure Coding, Kotlin, Android (Operating System), OAuth, Encryption, Mobile Security, Android Development, Key Management, Exploit development, Application Security, Android Studio, Data Security, Open Web Application Security Project (OWASP), Authorization (Computing), Mobile Development, Security Engineering, Security Controls, Application Development
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Swift Programming, Apple iOS, iOS Development, Software Design Patterns, Object Oriented Programming (OOP), Maintainability, Data Modeling, Application Design, Programming Principles, Testability, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PHP (Scripting Language), Web Applications, Web Development, Web Design, Full-Stack Web Development, User Interface (UI), User Centered Design, Email Automation, Hypertext Markup Language (HTML), Server Side, Cascading Style Sheets (CSS), Development Environment
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Network Troubleshooting, Performance Tuning, Docker (Software), Virtual Networking, Network Administration, Network Security, Network Performance Management, Containerization, Application Deployment, General Networking, Hardware Troubleshooting, Scenario Testing, Real Time Data
Beginner · Course · 1 - 4 Weeks

Yale University
Skills you'll gain: Social Justice, Environmental Issue, Social Studies, Natural Resource Management, Environment, Environment and Resource Management, Cultural Diversity, Culture, Sustainable Development, Cultural Sensitivity, Economics, Policy, and Social Studies, World History, Land Management, Advocacy, Storytelling
Beginner · Course · 1 - 3 Months

Sapienza University of Rome
Skills you'll gain: Ancient History, Scientific Methods, Research, Research Methodologies, Investigation, Spatial Analysis, Art History, Geographic Information Systems, World History, Cultural Responsiveness, Data Integration, Culture, Information Systems
Beginner · Course · 1 - 3 Months