News, tutorials and best practices for visual testing
Visual testing and functional testing don't check the same thing. One verifies that it works, the other that it looks right. Why both are essential and how visual testing fills a dangerous blind spot.
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False positives are the #1 problem in visual testing. Anti-aliasing, animations, cross-browser rendering: why pixel diff fails and how the structural approach eliminates them at the root.
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Everything you need to know about screenshot testing: how it differs from functional testing, comparison methods (pixel diff, pHash, SSIM), tools, and step-by-step implementation.
Read more →: Integrate Visual Testing into Your GitLab Pipeline](/assets/blog/visual-testing-gitlab-ci.png)
How to set up visual testing in GitLab CI. A practical guide from a team that uses GitLab every day. Approaches, GitLab-specific features, and real-world integration.
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Playwright vs Cypress: which one should you choose for visual regression testing? A detailed comparison of native capabilities, plugins, limitations — and why both exclude non-developers.
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How to set up visual testing in GitHub Actions. Available approaches, common pitfalls, and why visual automation in CI remains more complex than it should be.
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Chromatic isn't the only option for visual testing your Storybook components. Discover Percy, Playwright, Delta-QA and why diversifying your visual testing tools is a safer strategy.
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Cypress has no built-in visual testing. Learn how to add screenshot comparison with cypress-image-snapshot, Percy, and no-code alternatives like Delta-QA.
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Complete comparison between Delta-QA and Percy (BrowserStack) for visual regression testing. Two radically different approaches to visual testing.
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