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Dev tools · October 19, 2015

Visual Diffs

Track UX changes with visual diffs on every deploy.

Visual Diffs launched on October 19, 2015 with 95 votes, #448 of 4,175 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 11 years on.

What it does

SpeedCurve now provides a visual diff of every deploy. A full resolution PNG is captured for each URL and each pixel is diffed with the previous deploy allowing you to easily spot any visual changes you may or may not have expected. The key to practising safe continuous deployment is to have a robust set of tools that give you immediate feedback on how your code has changed between deploys and its effect on the user experience. It's often very hard to spot all the visual changes in each deploy, especially in fast moving teams where a lot of the focus is on unit tests and other automated pass/fail systems. Visual diffs bring an increased level of tracking and confidence when you're able to…from speedcurve.com

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Source: Product Hunt launch ↗

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