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.

Duke University
Skills you'll gain: Exploratory Data Analysis, Ggplot2, Data Visualization Software, Tidyverse (R Package), Data Visualization, Version Control, Data Analysis, Statistical Methods, Data Wrangling, R Programming, GitHub, Data Transformation, Statistical Analysis, Git (Version Control System), Data Manipulation, Statistical Programming
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Redis, Data Import/Export, Query Languages, Data Maintenance, Google Cloud Platform, Docker (Software), NoSQL, Data Management, Database Administration
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Electronic Systems, Hardware Design, Electronics Engineering, Electrical Engineering, Computer Architecture, Schematic Diagrams, Semiconductors, Electronic Components, Diagram Design, Low Voltage, Simulation and Simulation Software, Computational Logic, Verification And Validation, Software Installation
Intermediate · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Wealth Management, Financial Services, Consultative Approaches, Financial Planning, Investment Management, Compensation Management, Risk Management Framework, Asset Management, Market Intelligence, Client Services
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Consumer Behaviour, Responsible AI, Social Impact, Business Risk Management, Business Operations, Risk Analysis, Operations, Generative AI, AI Security, Safety Assurance, Social Sciences, Environmental Issue, Governance, Leadership and Management
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Lakes, Data Governance, Data Architecture, Data Management, Cloud Storage, Database Management, Data Warehousing, Data Access, Metadata Management, NoSQL, Star Schema, Data Quality, Big Data, Query Languages, Data Integration, Application Programming Interface (API), Performance Tuning
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Operating System Administration, Microsoft Windows, Operating Systems, System Configuration, Firewall, Linux, System Monitoring, System Support, Authorization (Computing), File Management, Network Security, Data Security
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Incident Response, Computer Security Incident Management, Open Web Application Security Project (OWASP), Application Security, Secure Coding, Cloud Security, Cybersecurity, Vulnerability Assessments, Cyber Attacks, Information Systems Security, Security Engineering, Metasploit, Security Strategy, Infrastructure Security, Incident Management, Vulnerability Scanning, Security Testing, Hardening, Penetration Testing, Mobile Security
Advanced · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Responsible AI, Agentic systems, Data Ethics, Agentic Workflows, AI Enablement, Artificial Intelligence, Healthcare Ethics, AI Workflows, AI Security, AI Orchestration, Applied Machine Learning, Health Technology, AI Personalization, Health Systems, Solution Design, Predictive Modeling, Predictive Analytics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Driven Development (TDD), Gherkin (Scripting Language), Code Coverage, Behavior-Driven Development, Software Testing, Unit Testing, Test Automation, Test Tools, API Testing, Test Case, Test Data, User Story, Mockups, Restful API, Microservices
Intermediate · Course · 1 - 3 Months

ROI Training
Skills you'll gain: Learning Styles, Learning Strategies, Test Planning, Requirements Analysis, Technical Documentation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), File I/O, Object Oriented Programming (OOP), Test Automation, Web Development Tools, Computer Programming, Scripting, Python Programming, Automation, Scripting Languages, Integrated Development Environments, Debugging
Beginner · Course · 1 - 3 Months