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.

Universiteit Leiden
Skills you'll gain: Music, Social Studies, Economics, Policy, and Social Studies, Culture, Social Sciences, Socioeconomics, Social Impact, Liberal Arts, Sociology, Political Sciences, Ethical Standards And Conduct, Psychology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Secure Coding, Penetration Testing, Security Testing, Application Security, Cyber Security Assessment, Payment Systems, Continuous Monitoring, Blockchain, Incident Response, Vulnerability Scanning, Code Review, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React.js, UI Components, User Interface (UI), Web Applications, User Accounts, Front-End Web Development, User Interface and User Experience (UI/UX) Design, Secure Coding, Javascript, Authorization (Computing), Authentications, Data Validation
Intermediate · Course · 1 - 4 Weeks
Dassault Systèmes
Beginner · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Design Thinking, Business Modeling, Entrepreneurship, Product Development, Prototyping, Presentations, Lean Methodologies, Human Centered Design, Value Propositions, Ideation, Innovation, Emerging Technologies, Market Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud Storage, Google Cloud Platform, Cloud Management, Data Lakes, Data Import/Export, Data Storage, Big Data, Data Migration
Beginner · Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Strategic Communication, Target Audience, Public Relations, Marketing Communications, Advertising Campaigns, Media Strategy, Communication Strategies, Campaign Management, Integrated Marketing Communications, Branding, Earned Media, Brand Management, Paid media, Owned Media, Business Strategy, Shared Media, Employee Engagement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Workplace inclusivity, Workplace Bullying Intervention, Diversity Training, Diversity and Inclusion, Diversity Equity and Inclusion Initiatives, Active Listening, Diversity Awareness, Rapport Building, Conflict Management, Relationship Building, Cultural Diversity, Safety Culture, Empathy, Tactfulness, Social Skills, People Management, Cultural Responsiveness, Interpersonal Communications, Cultural Sensitivity, Communication
Beginner · Specialization · 1 - 3 Months

MedCerts
Skills you'll gain: Pulmonology, Medical Terminology, Cardiology, Respiratory Therapy, Medical Records, Immunology, Pathology, Hematology, Anatomy, Diagnostic Tests, Electocardiography, Laboratory Testing, Physiology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Video Editing, Storyboarding, Storytelling, Video Production, Instagram, Photo/Video Production and Technology, Post-Production, Content Creation, Adobe Premiere, Motion Graphics, Adobe After Effects, Media Production, Cinematography, TikTok, Driving engagement, Writing, File Management, Timelines, Apple software proficiency, Planning
Beginner · Specialization · 3 - 6 Months

Northeastern University
Skills you'll gain: Agile Methodology, Web Design and Development, React.js, User Interface and User Experience (UI/UX) Design, Web Content Accessibility Guidelines, Front-End Web Development, Wireframing, Web Applications, HTML and CSS, Application Deployment, Responsive Web Design, Interactive Design, Javascript
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Quality Assurance, White-Box Testing, API Testing, Test Script Development, Debugging, Software Development Methodologies, User Acceptance Testing (UAT), JUnit, Maintainability, Development Testing, Selenium (Software), Scalability, Automation, Software Technical Review, DevOps, Regression Testing, Test Execution Engine, Security Testing
Beginner · Specialization · 3 - 6 Months