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.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Sanitation, Environmental Engineering, Water Resource Management, Sustainable Engineering, Sustainable Technologies, Public Health, Cost Estimation, Data Collection, Case Studies
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Integrity, Data Quality, Data Validation, Data Entry, Health Information Management, Quality Assurance, Medical Records, Patient Safety, Electronic Medical Record System, Regulatory Compliance
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Test Driven Development (TDD), C and C++, C++ (Programming Language), Debugging, C (Programming Language), Object Oriented Programming (OOP), System Programming, Functional Design, Secure Coding, Software Architecture, Performance Tuning, Network Troubleshooting
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Excel Formulas, Spreadsheet Software, Pivot Tables And Charts, Data Analysis, Data Manipulation, Microsoft Office, Data Mining
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Test Driven Development (TDD), Code Review, Continuous Delivery, Software Development Tools, Site Reliability Engineering, Regression Testing, Event Monitoring, Unit Testing, API Testing, Integration Testing, Incident Response, Performance Testing, Root Cause Analysis, Distributed Computing, CI/CD, Microservices
Beginner · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Oral Comprehension, Vocabulary, Literacy, Language Competency, Grammar, Language Learning, Oral Expression, Culture
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Computer Graphics, Software Architecture, Development Environment, Software Design, Maintainability, Software Design Patterns, Visualization (Computer Graphics), Cross Platform Development, Computer Graphic Techniques, Integrated Development Environments, Scalability, C++ (Programming Language), System Design and Implementation, Video Game Development, Program Development, Debugging, Performance Tuning, Data Flow Diagrams (DFDs), Software Installation, System Configuration
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Big Data, SQL, Test Case, Apache Hadoop, Analytics, Database Design, Data Analysis, Query Languages, Databases, Relational Databases, Database Management, Data Manipulation, Apache, Metadata Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, ChatGPT, Incident Response, Responsible AI, Cyber Threat Intelligence, Vulnerability Management, Data Ethics, Vulnerability Assessments, Security Awareness, Cybersecurity, Threat Modeling, Cyber Security Strategy, Threat Detection, Scripting, Automation, Artificial Intelligence, Information Privacy, Technical Communication
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Jira (Software), Workflow Management, Report Writing, Scrum (Software Development), Sprint Retrospectives, Backlogs, Due Diligence, Dashboard, Return On Investment, Sprint Planning, Business Process Automation, Agile Methodology, Automation, Process Improvement, No-Code Development, Debugging, Configuration Management, Data-Driven Decision-Making, Stakeholder Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Responsive Web Design, Content Management Systems, Figma (Design Software), Web Design, Layout Design, No-Code Development, Usability Testing, Animations, UI Components, Application Deployment
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Automation, Software Testing, Java, Test Data, Web Scraping, Software Design Patterns, Maintainability, Debugging, Data Validation
Beginner · Course · 1 - 4 Weeks