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.

SkillUp
Skills you'll gain: Systems Design, Business Process Modeling, Data Flow Diagrams (DFDs), Systems Analysis, Data Modeling, Digital Transformation, Business Process, Risk Management, Workflow Management, Systems Architecture, Business Analysis, Solution Design, Enterprise Resource Planning, Information Technology, Process Flow Diagrams, Prototyping, Computer Science, Agile Methodology, Product Lifecycle Management, Business Communication
Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Supply And Demand, Market Dynamics, Economics, Business Economics, Cost Accounting, Consumer Behaviour, Tax, Price Negotiation, Resource Allocation
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Public Key Infrastructure, Public Key Cryptography Standards (PKCS), Key Management, Cryptography, Encryption, Authentications, Algorithms
Intermediate · Course · 1 - 4 Weeks

Creo Incubator
Skills you'll gain: Decision Making, Cultural Sensitivity, Rapport Building, Empathy, Adaptability, Influencing, Leadership, digital literacy, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Sanitation, Water Quality, Water Resource Management, Public Health, Program Evaluation, Emergency Response, Sustainable Development, Environmental Engineering, Community Health, Microbiology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unit Testing, Test Case, Application Deployment, Responsive Web Design, Test Driven Development (TDD), Continuous Deployment, Debugging, Maintainability, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, Software Testing, Code Review, Development Testing, Interviewing Skills, Web Development Tools, HTML and CSS, Web Development, Application Development, Software Documentation
Intermediate · Specialization · 1 - 3 Months

Tsinghua University
Skills you'll gain: Blended Learning, Digital pedagogy, Education Software and Technology, Learning Management Systems, Student-Centred Learning, Emerging Technologies, Innovation
Beginner · Course · 1 - 3 Months

Tsinghua University
Skills you'll gain: Intercultural Competence, Cultural Diversity, Mental Health, Learning Strategies, Emotional Intelligence, English Language, Empathy, Communication Strategies, Grammar, Higher Education, Vocabulary
Intermediate · Course · 1 - 3 Months

Skills you'll gain: SAS (Software), SQL, Data Manipulation, Data Analysis Software, Query Languages, Data Wrangling, Database Management, Data Transformation, Data Cleansing
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Vulnerability Management, Penetration Testing, Vulnerability Assessments, Intrusion Detection and Prevention, Security Testing, Network Security, Threat Management, System Testing, Firewall, Cybersecurity, Cloud Security, Microsoft Azure, Virtual Private Networks (VPN), Virtual Networking, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Liberal Arts, Ethical Standards And Conduct, Research, Social Studies, Social Justice, Cultural Diversity, Culture, Writing, Creativity, Political Sciences, Advocacy
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Security, Data Migration, Data Governance, Extract, Transform, Load, Cloud Storage, Data Architecture, Data Management, Data Integration, Data Storage, Enterprise Architecture, Data Quality, Personally Identifiable Information, Data Modeling, Incident Response, Security Controls, Information Privacy, Data Infrastructure, Data Warehousing, Threat Detection, Law, Regulation, and Compliance
Advanced · Specialization · 1 - 3 Months