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: Figma (Design Software), Usability Testing, Responsive Web Design, User Interface (UI), Journey Mapping, Interactive Design, User Experience Design, Usability, Wireframing, User Interface (UI) Design, Prototyping, User Experience, User Flows, Design Research, Front-End Web Development, Web Design and Development, Design Strategies, Mockups, User Interface and User Experience (UI/UX) Design, Interaction Design
★ 4.4 (423) · Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: Web Services, Email Automation, Scripting, Automation, Python Programming, Restful API, IT Automation, Application Programming Interface (API), JSON, System Monitoring, Debugging
★ 4.8 (3K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Visualforce, Salesforce Development, Salesforce, Application Development, Salesforce Object Query Language (SOQL), Restful API, Application Programming Interface (API), Web Services, Data Modeling, API Testing, Javascript, Data Access, SQL, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Regression Analysis, Calculus, Model Optimization, Mathematical Software, Machine Learning Methods, Numerical Analysis, Applied Mathematics, Applied Machine Learning, Linear Algebra, Artificial Neural Networks, Deep Learning, Mathematical Theory & Analysis, Derivatives
★ 4.7 (5.8K) · Beginner · Course · 1 - 3 Months
Skills you'll gain: Email Marketing, Campaign Management, Copywriting, Marketing Strategy and Techniques, Email Automation, Personally Identifiable Information, Digital Marketing Campaigns, Digital Marketing, Digital Marketing Tools, Marketing Automation, Campaign Planning, Content Performance Analysis, Information Privacy, Marketing Analytics, Promotional Strategies, Data Ethics, Digital Analysis, Smart Goals, Customer Retention, Key Performance Indicators (KPIs)
★ 4.8 (2.9K) · Beginner · Course · 1 - 3 Months

University of Amsterdam
Skills you'll gain: Scientific Methods, Research Design, Sampling (Statistics), Science and Research, Research, Research Methodologies, Surveys, Quantitative Research, Data Collection, Social Sciences, Survey Creation, Experimentation, Ethical Standards And Conduct, Correlation Analysis
★ 4.7 (2.4K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Mobile Security, Open Web Application Security Project (OWASP), Mobile Development, Threat Modeling, Mobile Development Tools, Android Studio, Vulnerability Scanning, Vulnerability Assessments, Apple iOS, Application Security, Android (Operating System), Secure Coding, Security Testing, iOS Development, Penetration Testing, Metasploit, Exploitation techniques, Development Environment, Code Review, Test Tools
Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Project Performance, Communication Planning, Project Risk Management, Change Control, Project Management, Risk Analysis, Risk Management, Scope Management, Change Management, Risk Mitigation, Stakeholder Management, Project Closure, Stakeholder Communications, Communication
★ 4.7 (9.3K) · Mixed · Course · 1 - 3 Months

Universidad Nacional de Colombia
Skills you'll gain: Pharmacology, Infection Control, Drug Interaction, Clinical Pharmacy, Pharmacotherapy, Hand Hygiene, Asepsis, Equipment decontamination, Hospital Medicine, Medication Therapy Management, Wound Care, Sterile Procedure, Medical Prescription, Infectious Diseases, Utilization Management, Patient Evaluation, Microbiology, Clinical Practices, Treatment Planning, Diagnostic Tests
★ 4.9 (352) · Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Prompt Engineering, Excel Formulas, Microsoft Copilot, Microsoft Excel, Data Visualization, Data Analysis, Data Entry, Data Analysis Software, Microsoft Office, Spreadsheet Software, Data Manipulation, User Interface (UI)
★ 4.3 (446) · Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Security, Responsible AI, Retrieval-Augmented Generation, Prompt Engineering, Model Training, Generative AI, DevSecOps, IT Security Architecture, Security Controls, Application Security, Large Language Modeling, Threat Modeling, Model Optimization, Information Systems Security, Security Engineering, Cyber Governance, Security Testing, Cybersecurity, Security Management, Vulnerability Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Debugging, Application Development, Artificial Intelligence, Generative AI
★ 4.7 (147) · Beginner · Course · 1 - 4 Weeks