A/B testing courses can help you learn experimental design, statistical analysis, and user behavior insights. You can build skills in hypothesis formulation, result interpretation, and optimizing conversion rates. Many courses introduce tools like Google Optimize, Optimizely, and Adobe Target, which facilitate the implementation of tests and analysis of outcomes, allowing you to apply your skills in real-world marketing and product development scenarios.

Skills you'll gain: JUnit, Unit Testing, IntelliJ IDEA, Apache Maven, Software Testing, Test Case, Testability, Test Tools, Java, Mockups
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Test Script Development, Performance Testing, Test Tools, Test Data, Scripting, Distributed Computing, Software Installation, System Monitoring, Servers
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Usability Testing, Figma (Design Software), Responsive Web Design, User Experience Design, Prototyping, Software Design Documents, Design Specifications, Mockups, User Interface (UI) Design, UI Components, User Flows, Animations
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Usability Testing, User Centered Design, User Experience Design, Responsive Web Design, Prototyping, Interaction Design, Software Documentation, Mockups, Wireframing, Design Software, User Interface (UI) Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cucumber (Software), API Testing, Gherkin (Scripting Language), Behavior-Driven Development, JSON, Restful API, Apache Maven, Test Tools, Test Case, JUnit, Test Script Development, Security Testing, Test Automation, Authentications, Application Programming Interface (API), Test Data, Scalability, Java Programming, Software Testing, Java
Beginner · Specialization · 1 - 3 Months

École Polytechnique
Skills you'll gain: Peer Review, Journals, Scientific Methods, Research, Research Design, Proofreading, Research Methodologies, Editing, Ethical Standards And Conduct, Data Management
Mixed · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Infectious Diseases, Laboratory Testing, Diagnostic Tests, Epidemiology, Patient Evaluation, Urology, Public Health and Disease Prevention, Gynecology, Microbiology, Clinical Practices, Public Health, Medical Devices, Preventative Care, Patient Treatment
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: OSI Models, TCP/IP, Vulnerability Scanning, General Networking, Network Protocols, Cyber Security Assessment, Network Security, Network Monitoring, Network Administration, Vulnerability Assessments, Firewall, Performance Tuning, Threat Detection, Network Analysis, Scripting, System Configuration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Server Side, Web Development, Web Scraping, Web Applications, Back-End Web Development, Integration Testing, Python Programming, Web Services, Extensible Markup Language (XML), Package and Software Management, Development Testing, Unit Testing, Performance Tuning, Cross Platform Development, Hypertext Markup Language (HTML), Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Validation, Data Cleansing, Alteryx, Data Quality, Microsoft Excel, Data Integrity, Data Integration, Data Import/Export, Data Loss Prevention, Anomaly Detection
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Statistical Methods, Probability & Statistics, Data Ethics, Statistical Analysis, Quantitative Research, Statistical Inference, Statistics, Sample Size Determination, Sampling (Statistics)
Build toward a degree
Intermediate · Course · 1 - 3 Months

Princeton University
Skills you'll gain: Programming Principles, Computer Programming, Object Oriented Programming (OOP), Performance Tuning, Data Structures, Java Programming, Java, Program Development, File I/O, Computational Thinking, Computer Science, Algorithms, Animations, Debugging
Beginner · Course · 1 - 3 Months