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.

Arizona State University
Skills you'll gain: Data Storage Technologies, Statistics, Data Storage, Database Software, Statistical Hypothesis Testing, Data Manipulation
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Social Studies, World History, Culture, Economics, Socioeconomics, Political Sciences
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: File Systems, Endpoint Security, Linux, Operating System Administration, Microsoft Windows, Windows PowerShell, Linux Administration, Windows Servers, Operating Systems, Linux Commands, Network Administration, Active Directory, System Monitoring, System Configuration, Network Security, Security Controls, Command-Line Interface, Malware Protection, Service Management
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: User Story, Quality Assurance, Jira (Software), Agile Methodology, Verification And Validation, Product Quality (QA/QC), Quality Assessment, Agile Project Management, Sprint Planning, Workflow Management, Project Estimation
Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Risk Management, Mathematical Modeling, Predictive Modeling, Risk Analysis, Simulation and Simulation Software, Operations Research, Probability Distribution, Data-Driven Decision-Making, Statistical Hypothesis Testing, Statistical Analysis, Microsoft Excel, Spreadsheet Software
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Electric Power Systems, Electrical Power, Energy and Utilities, Basic Electrical Systems, Systems Of Measurement, Sustainable Technologies, Case Studies, Reliability, Market Dynamics, Emerging Technologies, Scalability, Systems Integration, Capacity Management
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: FinTech, Financial Regulation, Financial Services, Payment Systems, Bank Regulations, Lending and Underwriting, Banking Services, Blockchain, Law, Regulation, and Compliance, Financial Data, Digital Assets
Beginner · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Cultural Diversity, Community Development, Cultural Responsiveness, Culture, European History, Social Studies, World History, Art History, Economic Development, Ancient History, International Relations, Policty Analysis, Research, and Development, Political Sciences
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Virtual Private Networks (VPN), Cybersecurity, Computing Platforms, Multi-Factor Authentication, Authentications, Information Systems Security, Network Security, Technical Support and Services, Application Security, Data Security, Information Privacy, Servers, Cloud Computing, Network Administration, Encryption, Identity and Access Management
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Text Mining, Data Mining, Unstructured Data, Statistical Analysis, Natural Language Processing, Predictive Analytics, Analytics, Data Analysis, Statistical Methods, Unsupervised Learning, Probability & Statistics, Logistic Regression, Classification Algorithms
Mixed · Course · 1 - 3 Months

The University of Edinburgh
Skills you'll gain: Ethical Standards And Conduct, Behavioral Health, Behavior Management, Environmental Regulations, Human Learning, Nutrition and Diet, Non-Verbal Communication
Mixed · Course · 1 - 3 Months

Wesleyan University
Skills you'll gain: Aesthetics, Art History, European History, Liberal Arts, World History, Culture, Socioeconomics, Political Sciences, Sociology
Mixed · Course · 1 - 3 Months