canary-watch

Post-deploy URL monitoring checks deployed endpoints for regressions across HTTP status, console errors, network requests, performance metrics, content presence, and API latency to catch issues before users are impacted.

Post-deploy health checking verifies HTTP 200 status and identifies new console errors and API latencies by applying deterministic checks and baselines against a deployed URL to report health status.

Yes, you can use diff mode to compare environments like staging versus production, tracking performance metrics such as LCP and CLS alongside content presence and API health across both environments.

Yes, post-deploy monitoring applies to PR merges and dependency upgrades across both production and staging environments, using deterministic checks and multi-mode operation to report regressions.

The best way to check for web health regressions is running a quick watch mode against your production URL, which immediately verifies status, console, network, performance, content, and API health.

Quick check mode provides immediate post-deploy verification but lacks sustained observation; for ongoing uptime monitoring, you must switch to sustained watch mode to continuously track regressions over time.