Performance issues don’t always show up in testing.
They appear in production.
A page that loads in 2 seconds during dev?
Turns into 10 seconds when 5,000 users log in at once.
The result?
Frustrated users.
Lost revenue.
Support teams on fire.
Lesson:
– Performance testing isn’t optional.
– It’s about ensuring systems scale under real-world load.
✔ Test under realistic traffic
✔ Monitor resource usage
✔ Benchmark critical transactions
✔ Plan for peak loads, not just averages
QA is not about “does it work.”
QA is about “does it work when it matters most.”
👉 Does your team run performance tests regularly?