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.

University of Colorado Boulder
Skills you'll gain: Power Electronics, Electrical Power, Electronic Components, Semiconductors, Electrical Engineering, Electronic Systems, System Monitoring, Energy and Utilities, Safety Assurance, Environmental Monitoring, Control Systems, Manufacturing Processes
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Capital Markets, Business Mathematics
Beginner · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Building Information Modeling, Sustainable Development, Sustainable Technologies, Sustainable Architecture, Energy and Utilities, Sustainable Business, Sustainable Design, Building Design, Community Development, Environmental Engineering, Climate Change Adaptation, Materials science, Climate Change Mitigation, Case Studies
Intermediate · Course · 1 - 3 Months

CertNexus
Skills you'll gain: Customer experience improvement, Data Strategy, Data Modeling, Marketing Analytics, Customer Insights, Business Analytics, Business Intelligence, Marketing Strategies, Data Science, Operational Efficiency, Marketing, Data Ethics, Analytics, Customer Service, Big Data, Descriptive Analytics, Business Strategy, Data Collection, Predictive Analytics, Governance
Mixed · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Computational Thinking, Event-Driven Programming, Algorithms, Combinatorics, Graph Theory, Programming Principles, Application Development, Object Oriented Programming (OOP), Data Structures, Probability, Bioinformatics, Interactive Design, Program Development, Big Data, Python Programming, Data Analysis, User Interface (UI), Machine Learning Algorithms, Theoretical Computer Science, Computer Programming
Beginner · Specialization · 3 - 6 Months

Alex Genadinik
Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Search Engine Marketing, Google Analytics, Google Ads, Web Analytics, Content Strategy, Marketing, Market Research, Competitive Analysis, E-Commerce, Analytics
Mixed · Course · 1 - 3 Months

Yale University
Skills you'll gain: Legal Strategy, Legal Proceedings, Legal Research, Legal Writing, Policy Analysis, Case Studies, Learning Strategies, Economics
Mixed · Course · 1 - 3 Months

Skills you'll gain: Unity Engine, Computer Graphics, Computer Graphic Techniques, Visualization (Computer Graphics), Augmented and Virtual Reality (AR/VR), Animations, Video Game Development, Performance Tuning, Image Quality, Debugging
Mixed · Course · 1 - 3 Months

Skills you'll gain: Google Cloud Platform, Cloud Services, Problem Management, Cloud Engineering, Cloud Management, Cloud Infrastructure, Debugging, Distributed Computing, Incident Response
Beginner · Course · 1 - 4 Weeks
University of Pennsylvania
Skills you'll gain: Active Listening, Communication, Communication Strategies, Persuasive Communication, Verbal Communication Skills, Interpersonal Communications, Business Communication, Strategic Communication, Trustworthiness, Rapport Building, Goal Setting, Relationship Building, Non-Verbal Communication, Cooperation, Negotiation, Competitive Analysis
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Invoicing, Billing & Invoicing, Accounting Records, Billing, Excel Formulas, Spreadsheet Software, Tax Compliance, Payment Processing and Collection, Microsoft Excel, Sales Tax, Regulatory Requirements, Law, Regulation, and Compliance, Automation
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Email Marketing, Marketing Analytics, Campaign Management, Marketing Automation, Web Analytics, Web Content, Account Management, Dashboard, Customer Data Management, Automation, Content Management, Configuration Management
Beginner · Course · 1 - 4 Weeks