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.

Yale University
Skills you'll gain: Case Law, Court Systems, Legal Proceedings, Legal Research, Policy Analysis, Law, Regulation, and Compliance, Political Sciences, Civil Law, Governance
Mixed · Course · 3 - 6 Months

University of California, Davis
Skills you'll gain: Spanish Language, Language Learning, Vocabulary, Language Competency, Grammar, Oral Expression
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Goal Setting, Budgeting, Tax, Financial Planning, Cash Flow Forecasting, Financial Analysis, Credit Risk, Expense Management, Asset Management, Decision Making, Self-Awareness
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Vulnerability Assessments, Cyber Security Assessment, Network Monitoring, Penetration Testing, Virtual Private Networks (VPN), Command-Line Interface, Linux Commands, Cybersecurity, Linux, Software Installation, Intrusion Detection and Prevention, Network Security, Network Analysis
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Microsoft Word, Computer Literacy, Microsoft 365, Productivity Software, Writing, Business Writing, Document Management, Editing
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Theoretical Computer Science, Algorithms, Computational Thinking, Pseudocode, Data Structures, Design Strategies, Programming Principles, Computer Science, Advanced Mathematics, Python Programming, Analysis
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Applied Machine Learning, Predictive Modeling, Microsoft Azure, No-Code Development, Machine Learning, Data Preprocessing, Cloud Deployment, Feature Engineering, Model Evaluation, Data Science, Data Analysis, Classification Algorithms
Beginner · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Usability Testing, User Experience Design, User Experience, UI/UX Research, User Research, Test Case, Usability, Human Computer Interaction, Test Planning, Interviewing Skills
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Cybersecurity, Cyber Attacks, Incident Response, Information Systems Security, Application Security, Security Management, Computer Security Incident Management, Network Security, IT Security Architecture, Threat Management, Security Information and Event Management (SIEM), Cyber Threat Intelligence, Security Controls, Identity and Access Management, Cryptography, Threat Detection, Data Security, Computer Security, Encryption, Risk Management
Intermediate · Course · 3 - 6 Months

Microsoft
Skills you'll gain: Microsoft Power Platform, No-Code Development, Data Integration, Data Store, Computing Platforms, Data Modeling, Application Development, Business Logic, Case Studies, Security Controls
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Employee Coaching, Coaching, Management Training And Development, Accountability, Performance Management, Professional Development, People Development, Employee Performance Management, Performance Improvement, Constructive Feedback, Gap Analysis, Communication Strategies
Mixed · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Vulnerability Assessments, Application Security, Vulnerability Management, Event Monitoring, Secure Coding, Security Controls, Hardening, Data Integrity, Security Testing, System Monitoring, Cybersecurity, Patch Management, Threat Modeling, Exploitation techniques, Authorization (Computing), Cryptography, Extensible Markup Language (XML), System Configuration
Intermediate · Specialization · 3 - 6 Months