🚀 2-Minute Testing Technique That Finds 80–90% Bugs (Build a QA Mindset as a Developer)

In QA, there is a super fast and practical 2-minute testing approach that helps you quickly identify most critical bugs before deep testing even begins. I personally use this method, and it has completely changed the way I look at software quality.

I call it: CRUD + Boundary + Abuse + Performance Scan

It focuses on quickly validating a feature from all key angles:

🔹 Happy Path (CRUD Check)
First, verify the basics:
Does the feature Create, Read, Update, Delete work properly?
Are search and filters functioning as expected?

🔹 Boundary Testing
Test extreme and invalid inputs:
Empty values, max length, special characters, negative numbers, decimals, invalid formats.

🔹 Abuse Testing
Try to break the system:
Double clicks, rapid actions, refresh, back button, multiple tabs, duplicate submissions.

🔹 Quick Performance & UI Scan
Check load time, UI breakage, responsiveness, error messages, console errors, and bulk data handling.

Golden Rule:
Ask these 7 questions on every screen:
✔ Does data save correctly?
✔ Is invalid data blocked?
✔ Can duplicates happen?
✔ Can unauthorized access occur?
✔ Does refresh/back break anything?
✔ Is performance acceptable?
✔ Is UI stable in all scenarios?

This simple 2-minute scan can reveal 80–90% of system issues early, just like senior QA engineers do using quick “smoke testing” techniques.