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 System
Skills you'll gain: Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Information Systems Security, Cybersecurity, Encryption, Proxy Servers, Information Privacy, Servers, Web Servers, Network Routing, Cloud Hosting
Intermediate · Course · 1 - 4 Weeks

Goodwill Industries International
Skills you'll gain: Accountability, Recruitment, Client Services, Needs Assessment, Gap Analysis, Goal Setting, Consultative Approaches, Coaching, Action Oriented, Community Outreach, Rapport Building, Case Management, Critical Thinking, Overcoming Obstacles, Relationship Building, Strategic Partnership
Beginner · 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

Skills you'll gain: Product Quality (QA/QC), Quality Control, Quality Assurance, Safety Standards, Good Manufacturing Practices, Safety Assurance, Statistical Process Controls, Standard Operating Procedure, Laboratory Testing, Chemistry, Regulatory Affairs, Regulatory Requirements, Product Testing, Regulatory Compliance, Microbiology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Literacy, Microsoft Excel, Data Visualization Software, Spreadsheet Software, Pivot Tables And Charts, Exploratory Data Analysis, Data Analysis Software, Data Analysis
Intermediate · Guided Project · Less Than 2 Hours

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Graph Theory, Computational Thinking, Computer Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Object Oriented Programming (OOP), Eclipse (Software), Java, Java Programming, JUnit, HTML and CSS, Test Automation, Software Testing, Test Script Development, Integrated Development Environments, Test Data, Test Tools, Browser Compatibility, Computer Programming, Web Development, Programming Principles, Test Case, Software Design, Development Environment
Beginner · Specialization · 3 - 6 Months
Sapienza University of Rome
Skills you'll gain: Ancient History, Public History, Political Sciences, Art History, European History, World History, Research, Investigation, Social Sciences, Culture, Governance, Scientific Methods, Data Collection, Storytelling
Beginner · Course · 1 - 3 Months

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 Colorado Boulder
Skills you'll gain: Sampling (Statistics), Estimation, Risk Analysis, Statistical Methods, Statistical Software, Return On Investment, Statistical Analysis, Sample Size Determination, R (Software), Data Analysis, Business Risk Management, Probability & Statistics, Statistical Inference, Project Estimation, Business Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Data Literacy, Data Ethics, Data-Driven Decision-Making, Analytics, Root Cause Analysis, Lean Methodologies, Six Sigma Methodology, Data Analysis, Operational Efficiency, Operational Excellence, Case Studies, Process Improvement, Quality Management Systems, Data Quality, Data Security, Product Quality (QA/QC), Internet Of Things
Beginner · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Court Systems, Legal Proceedings, Adjudication, Legal Strategy, Criminal Investigation and Forensics, International Relations, Appeals, Case Law, Policty Analysis, Research, and Development, Case Studies, Child Development
Mixed · Course · 1 - 3 Months