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: Application Lifecycle Management, DevSecOps, Azure DevOps, DevOps, Continuous Delivery, Software Quality Assurance, Release Management, Secure Coding, CI/CD, Git (Version Control System), Verification And Validation, Continuous Integration, GitHub, Software Testing, Security Controls, Software Development Tools, Data Governance, Continuous Deployment, Cyber Governance, Version Control
Advanced · Course · 1 - 4 Weeks

Northwestern University
Skills you'll gain: Integrated Marketing Communications, Social Media Marketing, Content Marketing, Social Media, Social Media Strategy, Earned Media, Owned Media, Paid media, Facebook, Media Strategy, Content Creation, Drive Engagement, Advertising, Digital Advertising, Global Marketing, Marketing Strategies, Key Performance Indicators (KPIs), Customer Engagement, A/B Testing
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Patient Safety, Design Thinking, Change Management, Institutional Review Board (IRB), Leadership, Conflict Management, Performance Measurement, Systems Thinking, Healthcare Project Management, Solution Design, Health Systems, Data Analysis, Corrective and Preventive Action (CAPA), Value-Based Care, Continuous Quality Improvement (CQI), Quality Improvement, Risk Management, Initiative and Leadership, Data Analysis Software, Patient-centered Care
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Browser Compatibility, Test Automation, No-Code Development, Usability Testing, User Acceptance Testing (UAT), Regression Testing, Software Testing, Quality Assurance
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Generative AI Agents, Email Automation, Vibe coding, Agentic Workflows, Agentic systems, AI Workflows, AI Orchestration, Sales Process, Marketing Automation, HubSpot CRM, Sales Enablement, Sales Pipelines, Software As A Service, Sales Development, Lead Generation, Business Development, Prompt Engineering, New Business Development, Application Deployment, Campaign Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Application Security, Secure Coding, Security Testing, Open Web Application Security Project (OWASP), Vulnerability, Software Testing, Computer Security, Vulnerability Management, Data Security, Security Strategy, Unit Testing, Human Factors (Security), Application Design, Information Privacy, Computer Programming, Python Programming, Node.JS, Javascript, Design Strategies, JavaScript Frameworks
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Jupyter, IBM Cloud, Data Visualization Software, R (Software), Computer Programming Tools, Development Environment, Exploratory Data Analysis, Data Science, Integrated Development Environments, Data Analysis, GitHub, Python Programming, Scala Programming
Beginner · Course · 1 - 3 Months

Skills you'll gain: Social Media, Social Media Content, Social Media Marketing, Keyword Research, Drive Engagement, Social Media Strategy, Target Market
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Ajax, HTML and CSS, Responsive Web Design, Bootstrap (Front-End Framework), Web Applications, Web Design, Web Development, Cascading Style Sheets (CSS), Front-End Web Development, Javascript, JSON
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Exercise Science, Kinesiology, Physiology, Sports Medicine, Nutrition and Diet, Pharmacology, Public Health and Disease Prevention, Immunology, Preventative Care, Respiration, Athletic Training, Endocrinology, Chronic Diseases, Vital Signs, Biochemistry, Public Health, Mental Health
Beginner · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: New Product Development, Product Management, Innovation, Product Improvement, Product Lifecycle Management, Design Thinking, Product Roadmaps, Customer Insights, Agile Methodology, Customer Engagement, Product Testing, Web Analytics, Data-Driven Decision-Making, Growth Strategies, User Story, Lean Methodologies
Beginner · Course · 1 - 4 Weeks

MedCerts
Skills you'll gain: Medication Therapy Management, Medical Privacy, Pharmacology, Asepsis, Pharmacy, Drug Interaction, Medication Administration, Patient-centered Care, Pharmaceuticals, Pharmacist Assistance, Basic Life Support (BLS) Certification, Patient Communication, Patient Education And Counseling, Intravenous Therapy, Healthcare Ethics, Sterile Procedure, Health Care Procedure and Regulation, Pharmacy Operations, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Infectious Diseases
Intermediate · Specialization · 1 - 3 Months