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.

Dartmouth College
Skills you'll gain: Physics, Physical Science, Science and Research, General Science and Research, Ancient History, Scientific Methods, Chemistry, Laboratory Equipment, Research, World History
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Intellectual Property, Lawsuits, Music, Litigation and Civil Justice, Musical Composition, Law, Regulation, and Compliance, Digital Assets, Legal Technology
Beginner · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Social Media, Online Advertising, Digital Advertising, Social Media Marketing, Social Media Strategy, Social Media Campaigns, Advertising, Advertising Campaigns, Web Analytics, Content Performance Analysis, Facebook, Paid media, Instagram, Marketing Communications, Target Audience, Driving engagement, Business Ethics, Brand Awareness
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Grammar, Vocabulary, English Language, Language Competency
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Governance, Stakeholder Engagement, Regulatory Compliance, Compliance Management, Risk Management, Business Ethics, Stakeholder Management, Corporate Strategy, Corporate Communications, Business Management, Corporate Sustainability, Business Reporting, Accountability
Beginner · Course · 1 - 4 Weeks

ISC2
Skills you'll gain: Network Security, Cybersecurity, Cyber Attacks, Infrastructure Security, Threat Detection, Computer Networking, Data Centers, General Networking, Threat Management, Network Planning And Design, Firewall, Network Protocols, Cloud Computing, TCP/IP, Encryption
Beginner · Course · 1 - 3 Months

University of Cape Town
Skills you'll gain: Disabilities, Special Education, Cultural Responsiveness, Child Development, Teaching, Differentiated Instruction, Parent Communication, Advocacy, Non-Verbal Communication
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, Microservices, JUnit, Model View Controller, Restful API, Spring Boot, Software Architecture, API Gateway, Web Services, Object-Relational Mapping, Transaction Processing, Data Persistence, Service Oriented Architecture, Cloud Computing Architecture, JSON, YAML, Load Balancing, Unit Testing, Java Programming, Enterprise Application Management
Beginner · Specialization · 1 - 3 Months

Interactive Brokers
Skills you'll gain: Derivatives, Financial Trading, Financial Market, Risk Management, Market Analysis, Capital Markets, Portfolio Risk, Investments, Technical Analysis, Market Dynamics, Profit and Loss (P&L) Management
Intermediate · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Mechanics, Vibrations, Engineering Analysis, Advanced Mathematics, Physics, Engineering Calculations, Differential Equations, Linear Algebra, Calculus, Mathematical Modeling, Applied Mathematics, Experimentation
Mixed · Course · 1 - 3 Months

The Linux Foundation
Skills you'll gain: Bash (Scripting Language), File Systems, Package and Software Management, Linux, Command-Line Interface, Unix Commands, Linux Commands, Shell Script, Scripting, Software Development Tools, File Management, Scripting Languages, Program Development, System Programming, Java, Debugging
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Entrepreneurship, Value Propositions, Fundraising and Crowdsourcing, Business Development, Business Modeling, Market Opportunities, Team Building, Market Analysis, Strategic Planning, Resource Management, Customer Analysis, Leadership
Beginner · Course · 1 - 4 Weeks