Diffy
Diffy is a visual regression testing tool that compares screenshots of your website or application across different environments, browsers, or time periods to detect unintended visual changes. It captures baseline screenshots and compares them against new screenshots pixel by pixel, highlighting differences so your QA team can quickly spot layout shifts, broken styles, missing elements, or other visual defects before they reach production.
Code changes that look harmless in a pull request can cause unexpected visual side effects — a CSS update that breaks spacing on a different page, a component library upgrade that shifts button alignment, or a content change that causes text overflow. Manual visual checking is slow and unreliable, especially across responsive breakpoints and multiple page templates. Diffy automates this comparison at scale, catching issues that human reviewers would likely miss.
Osher Digital builds and maintains web applications for Australian businesses, and visual quality is a non-negotiable part of delivery. Our custom AI development team integrates testing tools like Diffy into CI/CD pipelines, so visual regressions are caught automatically before deployments go live. For organisations running content-heavy websites where template changes can affect hundreds of pages, our automated data processing services can set up batch screenshot comparison workflows that cover your entire site.
If your team has experienced the frustration of deploying a change that looked fine in development but broke the layout on a page nobody thought to check, visual regression testing removes that blind spot. Explore our business automation services to see how automated testing fits into a broader quality assurance strategy.