WebChange Detector
Visual regression testing for WordPress sites. Catch broken layouts before your clients do
WebChange Detector is a visual regression testing tool that takes full-page screenshots of web pages, compares them pixel by pixel, and uses AI to distinguish real changes from rendering noise such as sliders, animations, and cookie banners. It addresses the problem of sites breaking after updates without anyone noticing, covering on-demand checks, scheduled monitoring, and automatic checks around WordPress auto-updates.
Features include a centralized multi-site dashboard with bulk settings and URL groups, layout-aware comparison with configurable sensitivity, browser console error detection, a WordPress plugin for running checks from wp-admin, a REST API, webhooks, and integrations with CI/CD tools and notification platforms like Slack and PagerDuty. Agencies can create subaccounts with separate API tokens and check limits, and white-label the plugin per client.
It is aimed at freelancers, digital agencies, e-commerce teams, WordPress maintenance providers, and in-house marketing teams. Pricing is usage-based, with plans tiered by checks per month across unlimited websites and pages, plus a free plan with a small check allowance. Monthly and yearly billing are available, and a free trial requires no credit card.
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