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.
Site-level AI actionable insights leave beta, an updated site view, the Watcher affiliate programme at 30% for twelve months, free-check without email first, quota warnings with topbar usage, Starter PDF reports, and CSV export for site test results.
Apogee Watcher’s site-level AI actionable insights leave beta: generate prioritised fix guidance from a domain-report snapshot, with monthly AI credits on Personal+ plans, plus an updated site view that keeps tests, pages, discovery, and reports in one place.
The Watcher affiliate programme pays 30% of attributed subscription revenue in EUR for twelve months after a referred customer converts to paid. One coupon per partner, a 30-day hold, and a €50 minimum PayPal payout.
Agencies comparing Calibre and Apogee Watcher need a clear job split: Calibre for continuous synthetic plus RUM on owned high-traffic sites; Watcher for multi-tenant PageSpeed Insights monitoring, discovery, and agency roles at a lower entry price. Here is when to pick each, and when to run both.
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.
