Launch Playbook
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Testing
Part of Final QA & Security Checklist - detailed guidance for this specific area.
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Testing Checklist
Thorough testing before launch prevents embarrassing bugs and poor user experiences. This comprehensive checklist ensures your app works flawlessly when users first interact with it.
Functional Testing
Core Features
Edge Cases
Cross-Browser & Device Testing
Desktop Browsers
Mobile Testing
Performance Testing
Page load times under 3 seconds
Test with Google PageSpeed Insights and real devices
Images optimized and compressed
WebP format when possible, appropriate sizing for different screens
Database queries optimized
No N+1 queries, proper indexing, pagination for large datasets
User Acceptance Testing
Fresh eyes testing
Have someone unfamiliar with your app try to use it
Onboarding flow testing
Can new users complete key actions without guidance?
Error recovery testing
Can users recover from mistakes and continue using the app?
Helpful Testing Tools
Performance
- • Google PageSpeed Insights
- • WebPageTest.org
- • Lighthouse audits
- • GTmetrix
Cross-Browser
- • BrowserStack
- • Sauce Labs
- • CrossBrowserTesting
- • Browser dev tools
User Testing
- • UserTesting.com
- • Hotjar recordings
- • Maze usability testing
- • Friends & family