garris/BackstopJS
Catch CSS curve balls. observed · 2026-08-28
Health v2 · maintenance only
23/100
- Activity 0
- Release rhythm 8
- Longevity 100
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: n/a
- age_days: 4340
- days_rel: n/a
- days_push: 725
- n_releases_24m: 0
Adoption not part of the score
7176 stars · 619 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded
BackstopJS is a Node.js tool that automates visual regression testing of web apps by capturing screenshots with Chrome Headless and comparing them over time. It provides a CLI, in-browser diff reporting UI, and supports user interaction scripting via Playwright or Puppeteer.
Use cases
- catch unintended CSS changes in my web app
- compare screenshots of my site before and after a refactor
- run visual regression tests in CI
- diff UI screenshots across viewports
- approve visual changes with a browser report
- test responsive layouts for regressions
When to choose
- you need automated screenshot-based visual regression testing
- you want a browser UI to inspect and approve visual diffs
- you need CI-friendly visual tests with JUnit reports
- you want cross-platform consistent rendering via Docker
When to avoid
- you need unit or functional testing rather than visual comparison
- you want pixel-perfect testing of non-web desktop or mobile native apps
- you need a fully hosted visual testing service with team review workflows
Facets
cli-tool · maturity maintenance
testing e2e-testing image-processing testing web-development frontend cli cross-platform visual-regression-testing screenshot-testing chrome-headless puppeteer playwright css-testing nodejs docker
2 sources
- readme: https://github.com/garris/BackstopJS · fetched 2026-08-28 · c5894760c003
- homepage: http://backstopjs.org · fetched 2026-08-29 · a65622cf1a9f
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| garris/BackstopJS | main | 23 |
For agents
markdown · JSON · MCP: product_card(name="garris/BackstopJS")
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem