Prompt

Should I compare screenshots in CI or only before releases?

Technology / Testing & QA1 observationLast seen Oct 10, 2026

Latest observation

Oct 10, 2026OpenAI APIWeb search: off

Usually: do both, but for different goals.

In CI

Use screenshot comparison in CI for fast feedback on visual regressions.

Pros

  • Catches UI changes immediately
  • Prevents small styling bugs from piling up
  • Helps reviewers see exactly what changed
  • Good for PRs and main-branch protection

Cons

  • Can be noisy if screenshots are flaky
  • May slow down builds
  • Needs stable test environments and careful baseline management

Before releases

Also run screenshot checks before releases as a final quality gate.

Pros

  • Verifies the product state you’re about to ship
  • Catches last-minute regressions that slipped through
  • Useful for release candidate validation

Cons

  • Too late to be the only checkpoint
  • Problems found here are more expensive to fix

Practical recommendation

  • Run a smaller set in CI on every PR or merge.
  • Run a broader, stricter set before release.
  • If your app changes often, start with:
    • critical pages/components in CI
    • full visual suite nightly or pre-release

Best practice

If you can only choose one, choose CI.
That gives the best balance of speed, prevention, and developer experience.

If you want, I can also suggest a testing strategy by team size or app type.

Observation history

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