Context

The system provides a responsive HTML5 user interface accessible via public internet.

Trigger

A user accesses any application page using a desktop or mobile browser.

Acceptance Criteria

• Browser compatibility: 100% pass rate for critical user journeys in the two latest stable versions of Chrome, Firefox, Edge, and Safari; source: Automated end-to-end test suite.
• Visual consistency: 0 critical layout regressions (overlapping elements or broken navigation) across supported browsers; source: Visual regression testing reports.
• Failure-path behavior: 100% of users on unsupported browsers (older than 3 years) receive a compatibility warning within 2 seconds of page load; source: Client-side monitoring logs.

Monitoring Artifact

Cross-browser compatibility dashboard