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Introducing layout testing in SmartUI to help teams catch layout issues, reduce false positives and enhance visual validation for modern web applications.

Mythili Raju
Author
May 24, 2026
Web applications often face layout issues during code changes, where even small CSS or DOM changes can break UI elements. In such scenarios, layout testing can help ensure your web applications are free from layout inconsistencies.
Our SmartUI platform has now come up with a feature that allows you to perform layout testing using SmartUI SDK. This layout testing feature lets you capture and compare screenshots of web pages before and after code changes. It highlights pixel-level differences automatically, catching unexpected layout deviations.
Layout testing in SmartUI focuses on testing the structure of your web application through DOM-based comparison.
It checks the DOM structure of the web application and then compares it across different build versions to identify layout regressions.
Benefits:

Many teams already use a visual testing tool, but struggle with false positives. Here’s why adding layout testing to your workflow makes a difference:
However, it can produce many false positives with dynamic content.
It answers the question: “Does it look the same?”
This makes it perfect for validating structural integrity and is resilient to expected content variations.
It answers the question: “Is it structured the same way?”
With the addition of layout testing in SmartUI, we continue to provide the most comprehensive visual regression testing solutions for modern web applications.
Try layout testing with SmartUI today and add a powerful new layer to your visual regression testing process.
If you have any questions or need assistance, please use our in-app chat or email your queries to [email protected].
Happy testing!
Author
Mythili is a Community Contributor at TestMu AI with 3+ years of experience in software testing and marketing. She holds certifications in Automation Testing, KaneAI, Selenium, Appium, Playwright, and Cypress. At TestMu AI, she leads go-to-market (GTM) strategies, collaborates on feature launches, and creates SEO optimized content that bridges technical depth with business relevance. A graduate of St. Joseph’s University, Bangalore, Mythili has authored 35+ blogs and learning hubs on AI-driven test automation and quality engineering. Her work focuses on making complex QA topics accessible while aligning content strategy with product and business goals.
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