Past five client sites, the performance stack stops being one bookmark. You have Client A's PageSpeed tab, Client B's exported PDF, and a spreadsheet someone updated in March. The person who owned the API key for Client C left last year. Multi-site monitoring becomes credential archaeology before it becomes ops.
Apogee Watcher mirrors how agencies already think: one organisation, many sites, pages under each hostname. You configure schedules and budgets per site without pasting a different Google API key for every domain. The dashboard is the shared control plane for scheduled PageSpeed runs and history.
One org workspace with team billing and a portfolio site list
Per-site schedules, budgets, and alert settings
Run history tied to the site object for monthly client reviews
Page lists from manual adds or sitemap discovery
Read more: multi site performance monitoring from one dashboard