visual testing

Smart Ignore Regions in Vizzly

Fixed ignore regions can hide real layout bugs. Smart ignore regions use Honeydiff's change metadata to find recurring dynamic areas without removing them from visual review.

Smart Ignore Regions are no longer part of Vizzly. This post is kept as release history.

How Coding Agents Can Inspect Vizzly Results

Use the Vizzly CLI schema to find API requests for builds, screenshots, diffs, and review details.

Preview Hosting: Review Visual Diffs With the Actual App

Vizzly now hosts your app builds alongside visual diffs. Upload any static build (Storybook, Next.js, Vite, whatever) and reviewers see the real UI, not just screenshots. Here's why we built it and how it works.

Visual Testing That Learns From You

Your visual testing tool should get smarter over time, not dumber. Here's how Vizzly learns from your approval patterns to surface what actually matters.

The learning and automatic approval features in this post are no longer part of Vizzly.

What If You Could Visually Test a CLI?

We build visual testing tools for UIs. When our CLI started getting fancy with colors and formatting, I wondered: can we visually test our own CLI? Turns out, yes. Here's how I did it.

The Fastest Image Diffing Engine You've Never Heard Of

I benchmarked Honeydiff against the best tools in visual testing. 9-16x faster than odiff's SIMD-optimized Zig rewrite. Faster than anything Playwright, Cypress, or Percy use under the hood. Here's the data.

The 40% Problem: Why Dynamic Content Breaks Visual Testing

Nearly half of visual test reviews are wasted on timestamps, session IDs, and dynamic content. Here's how Vizzly's auto-approval system gives you that time back.

The automatic approval and hot spot features in this post are no longer part of Vizzly.

Visual Testing for Vitest - Drop-in Replacement Powered by Vizzly

Drop-in replacement for Vitest 4 visual testing with local TDD mode, Honeydiff, and team review. Add the plugin and get local visual feedback, cloud builds, and position-based comments.

Honeydiff: Fast, Rich Image Diffing for Modern Visual Testing

I built Honeydiff, a Rust-powered image diffing engine that processes screenshots in milliseconds and provides rich metrics like spatial clustering, SSIM scoring, and intensity statistics. Here's what makes it special and why visual testing needed a fresh direction.

Visual Testing for Static Sites: No Tests Required

Got a static site? Now you can visually test every page without writing tests. The new Static Site SDK auto-discovers pages, captures screenshots, and handles comparisons. Works with Gatsby, Astro, Jekyll, Next.js, and any static site generator.

Storybook Visual Testing That Works with Your Workflow

The Vizzly Storybook SDK brings component stories into a visual development workflow with local TDD, cloud builds, comments, and review decisions.

Cypress Visual Testing Tutorial: Add Screenshot Comparison to Your E2E Tests

Learn how to add visual regression testing to Cypress with Vizzly. Catch CSS bugs and UI changes with automated screenshot comparison in your existing test suite.

Visual Testing React Native Apps with Vizzly

Integrate Vizzly with Detox, Maestro, Appium, Fastlane, or plain simulator screenshots. Make visual quality part of your React Native development workflow with local TDD and seamless CI/CD integration.

Why Visual Testing Needed a Different Approach

Visual testing tools miss the point. They treat visual quality as an afterthought, offer basic collaboration, and test recreated environments instead of reality. After building visual testing SDKs for years, I created Vizzly to do it right.

Setting Up Visual Regression Testing for Your Open Source Project

A quick guide to getting Vizzly's Open Source plan set up for public projects. Run visual tests and review changes together, with no charge for qualifying public projects.