Introduction to Cross-Browser Testing Cross-browser testing is the process of verifying that web applications function consistently across different browser-OS combinations, devices, and screen sizes. With over  25,000 possible browser/device combinations  in use today, comprehensive testing is essential for delivering quality user experiences. Why Cross-Browser Testing Matters Browser Fragmentation : Chrome (65%), Safari (18%), Edge (6%), Firefox (4%) market share (2024 stats) Rendering Differences : Each browser uses different engines (Blink, WebKit, Gecko) Device Diversity : Mobile (58%) vs Desktop (42%) traffic split Business Impact : 88% of users won't return after a bad experience Core Cross-Browser Testing Strategies 1. Browser/Device Prioritization Matrix Priority Criteria Example Targets Tier 1 80%+ user coverage + business critical Chrome (Win/macOS), Safari (iOS), Edge Tier 2 15-80% coverage + key features Firefox, Samsung Internet Tier 3 Edge cases + progressive en...

Introduction In today's digital-first economy, e-commerce websites must deliver flawless user experiences to remain competitive. With complex functionalities spanning product catalogs, shopping carts, payment processing, and user accounts, rigorous testing is essential. This guide provides a complete framework of test cases to ensure your e-commerce platform performs optimally across all critical user journeys. Why E-Commerce Testing Matters E-commerce platforms face unique challenges: High transaction volumes  requiring 24/7 reliability Complex user flows  across devices and geographies Security vulnerabilities  handling sensitive payment data Performance demands  during peak traffic periods Comprehensive testing helps prevent: Shopping cart abandonment due to functional defects Revenue loss from checkout failures Brand damage from security breaches Negative reviews from poor user experiences Core Test Categories 1. Registration & Login Test Cases Positive Scena...