Alert fatigue and unclear severity: you don't know when to page someone versus when to backlog. This template gives you a clear policy including severity levels, channels, cooldowns, and response steps so your team knows what to do and when.
The key metrics in web performance monitoring are Core Web Vitals plus a short supporting set, deploy deltas, and alertable signals. Here is what belongs on the dashboard, and what to leave off.
CrUX field percentiles are not a slower Lighthouse run. They aggregate real experiences that may abandon early, start in the background, restore from bfcache, or stay on one SPA document. Here is what partial page loads include and exclude, and how to report lab versus field without mixing the clocks.
When CrUX has no data for a client site, the problem is usually eligibility, not a broken PageSpeed Insights run. Here is how Chrome UX Report eligibility works, and what to monitor until field data exists.
Time to First Byte includes more than server work. Name Unattributed Navigation Overhead (UNO) in client reports so the residual after redirect, DNS, connection, and request timing is not silently blamed on origin PHP.
September 2026: weekly organisation portfolio reports with white-label branding, Cloudflare-aware PageSpeed runs, domain report field data and refresh, Agency lead tools, a site Test results tab, Google and magic-link sign-in, and more help centre guides.
Automated web performance monitoring means scheduled lab and field checks, budgets, alerts, and history, not a bot that rewrites your site, and not a one-off PageSpeed Insights paste.
Apogee Watcher now builds weekly organisation portfolio reports on a Sunday schedule, with Preview for the current week, and white-label PDF branding options (logo, colour, font) on Professional+ plans.
Oh Dear bundles uptime, SSL, status pages, response-time checks, and daily Lighthouse. Apogee Watcher focuses on multi-tenant PageSpeed Insights and Core Web Vitals portfolio monitoring. Here is a fair Oh Dear vs Watcher split, including when to run both.
How agencies keep multi-tenant PageSpeed monitoring under $100/month: flat org caps versus per-site tools, honest free-tier limits, and when Professional beats DIY PageSpeed Insights scripts.
