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.

Skills you'll gain: Extensible Markup Language (XML), Ajax, Extensible Languages and XML, Web Design, Java Platform Enterprise Edition (J2EE), Data Validation, Web Applications, Scripting, Javascript and jQuery, Web Development, Android Development, Hypertext Markup Language (HTML), Middleware, Model View Controller, Hibernate (Java), Visualization (Computer Graphics), Interoperability, Java, Cascading Style Sheets (CSS), Mobile Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Excel, Excel Formulas, Data Visualization, Dashboard, Forecasting, Predictive Modeling, Data Analysis, Data Validation, Data Entry, Financial Modeling, Data Management, Data Integrity, Data Security
Mixed · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Immigration Law, Legal Proceedings, Law, Regulation, and Compliance, Court Systems, Civil Procedures, Diversity Programs
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, AI Product Strategy, Leadership and Management, AI Enablement, Business Leadership, Strategic Leadership, Content Creation, Business Transformation, New Business Development, Responsible AI
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Exploit development, Network Security, Vulnerability, Cybersecurity, Vulnerability Assessments, Information Systems Security, Data Persistence, Virtual Machines
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Logo Design, Graphic and Visual Design, Animations, Branding, Marketing Design, Social Media Content, Style Guides, Scheduling, Typography
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Pandas (Python Package), NumPy, Data Structures, Data Import/Export, Data Manipulation, Data Cleansing, Statistical Methods, Data Analysis, Exploratory Data Analysis
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Contingency Planning, Disaster Recovery, Business Continuity Planning, Security Management, IT Management, System Monitoring, Cyber Security Policies, Enterprise Security, Compliance Auditing, Security Strategy, Systems Administration, Operating System Administration, Governance, Security Controls, Organizational Strategy, Patch Management, Continuous Monitoring, Unix, Procedure Development, Incident Response
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Serverless Computing, Digital Transformation, Application Programming Interface (API), Business Transformation, Hybrid Cloud Computing, Cloud Infrastructure, Google Cloud Platform, Containerization, Multi-Cloud, Cloud Computing, Cloud Deployment, Kubernetes, Application Development, Virtual Machines
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Purchasing, Supplier Relationship Management, Contract Management, Procurement, Vendor Management, Strategic Sourcing, Negotiation, Business Ethics, Compliance Management, Supply Chain Management, Cost Reduction, Relationship Building, Communication
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: User Experience Design, Figma (Design Software), Design Thinking, Interaction Design, User Interface (UI) Design, Usability Testing, Prototyping, Wireframing, Software Testing, Information Architecture, White-Box Testing, No-Code Development, Quality Assurance
Build toward a degree
Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Containerization, Package and Software Management, Software Testing, Docker (Software), Development Environment, Unit Testing, Scripting, Test Automation, Continuous Integration, IT Automation, Integration Testing, DevOps, Python Programming, Selenium (Software), Web Scraping
Beginner · Course · 1 - 4 Weeks