Creating a Budget

Calibre can set performance budgets against all metrics recorded for your sites. Budgets are a great way of ensuring that regressions are spotted immediately and can be addressed quickly.

You can set a Budget for a selected metric by navigating to the Metric page from Pulse and clicking “Add a new budget” at the bottom.

You can be notified when a budget has been exceeded or met via email or Slack alerts.

A good place to start is defining budgets for paint-based metrics which directly affect user experience—we recommend Largest Contentful Paint and Time to Interactive.