Functional vs. Non-Functional Testing: A Practical Breakdown

Functional testing checks what software does; non-functional checks how well it performs.
Smoke Testing vs. Sanity Testing: What’s the Real Difference?

Smoke testing checks if a build’s worth testing; sanity confirms one fix.
How to Reduce QA Effort Without Compromising Test Coverage | Testily.AI

More coverage doesn’t mean better QA; cut effort by prioritizing reliability instead.