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Regression Testing Checklist for Web Apps: What to Re-Test Every Release

Short answer

Regression testing re-checks existing features after every change to make sure nothing broke. Re-test your core journeys (sign-up, login, main action, payment), role permissions, integrations, forms, emails and key browsers, using a short checklist you run every release and gradually automate.

AWI Digital Team 2026-10-06⏱ 3 min read

Core checklist

  1. Sign-up, email verification and login/logout
  2. Password reset
  3. The main action of your product (booking, order, upload, report)
  4. Payment: success, failure, refund
  5. User roles and permissions
  6. Search, filters and sorting
  7. Forms: validation messages and submission
  8. Emails, WhatsApp and push notifications
  9. File upload and download
  10. Third-party integrations (maps, analytics, CRM)
  11. Admin panel actions
  12. Data export and import

Environment checks

  • Latest two versions of Chrome, Safari, Firefox and Edge
  • Mobile Safari and Chrome on real phones
  • Slow network behaviour
  • Time zones and date formats
  • Large data sets

Deciding what to automate

Automate firstKeep manual
Login and sign-upNew features still changing
Main conversion flowVisual design and usability checks
API contract testsExploratory testing
Permission checksOne-off migrations

Run it in a routine

  1. Keep the checklist in a shared document or test tool.
  2. Run a smoke subset on every deploy.
  3. Run the full set before major releases.
  4. Add a case for every bug you fix.
  5. Review and prune quarterly.

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Frequently asked questions

What is the difference between regression and smoke testing?

Smoke testing is a quick check that the build works at all; regression testing is a broader check that existing features still work.

How long should a regression run take?

Aim for minutes with automation or a few hours manually; if it takes days, prioritise by risk and automate.

Can you run regression testing for each release?

Yes, as a per-release or monthly QA service.

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