Website Screenshot & Visual Diff

Compare two web pages pixel-by-pixel with visual diff overlay. Configurable threshold, dimension matching, match percentage. Playwright + Pillow. For QA visual regression testing, competitor site monitoring, and brand compliance verification.

Website Screenshot Monitor - Visual Diff & Change Alerts

signalgrove/website-screenshot-monitor

Capture full-page screenshots on a schedule, compare them pixel-by-pixel with the previous run, highlight what changed, and get webhook alerts. No API keys needed.

Capture desktop and mobile website screenshots, compare them against saved baselines, and highlight visual changes. Download screenshots, diff images, HTML reports, and ZIP archives.

Capture full-page screenshots and detect visual changes between runs. Pixel comparison at desktop, tablet, and mobile viewports. 📸🖼️👁️

Visual Regression Monitor — Website Screenshot Comparison

perryay/visual-regression-monitor

Monitor websites for visual regressions. Capture baseline screenshots, compare against new captures, and generate pixel-accurate diff reports with highlighted changes.

ReleaseProof — Website Visual Regression QA

al_mansouri/releaseproof

Compare preview and production pages across mobile, tablet, and desktop. Catch visual regressions, overflow, broken assets, and browser errors in a shareable QA report.

Wayback Machine Search

maximedupre/wayback-machine-search

Search Wayback Machine snapshots for URLs, hosts, and domains. Export archive dates, status codes, MIME types, digests, page text, version timelines, reports, and monitoring alerts.

Monitor public webpages for normalized visible-text changes. Target a simple CSS selector, remove noisy text with regular-expression ignore patterns, and schedule repeat checks through Apify. Results include change status, content hash, size, and diagnostics.

Website change detector and page monitor. Emits a row only when a public HTTPS page fingerprint changes. $0.05 per start.

Website Performance & Visual Regression Monitor for CI

produkdigitalali/ci-web-regression-monitor

Run local Lighthouse audits, visual screenshot regression tests, DOM/SEO checks, and deterministic CI pass/fail monitoring with persistent baselines. Compare production with staging or monitor websites over time.

Compare authorized public pages with before/after screenshots, pixel and text changes, and downloadable HTML reports. Private history, stable-render checks and no page fee for failed captures.