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The hash resets every day, so a visitor is recognisable for 24 hours. Same-day funnels, goals and revenue attribution are exact; multi-day retention is under-reported by design, and the dashboard says so on that screen rather than quietly showing zero.

Report a sale from the page where it happens: any event with a revenue amount, or a single revenue call with the amount and currency. The sale joins the visit it was made in, so campaigns, referrers and landing pages rank by revenue rather than clicks. Revenue events, like every custom event, are recorded on Pro.

Anything the dashboard can show: why revenue moved, which campaign paid, what changed since last week, which page converts best on mobile. It reads the same numbers you see on screen and never invents a metric, and it says when a question needs data it does not have.

The script is 4.2 kB gzipped (9 kB unpacked), loads deferred and sends events in the background. It never blocks rendering and creates no element on the page, so it adds no layout shift.

Hobby covers the traffic dashboard: visitors, pages, sources, campaigns, locations, technology, sessions and real-time, up to 5k events a month. The Events, Performance and Revenue screens are on Pro, together with goals, funnels and retention. On Hobby the collector keeps pageviews and Core Web Vitals only; custom events, outbound clicks and revenue events are recorded on Pro.

On Pro and Business, nothing breaks: collection keeps running and events past your plan are metered ($2 per additional 100k on Pro up to 1M, $1 on Business up to 10M) and billed with that month's invoice. Past 10M a month the rate is agreed with us directly. Events are never silently dropped or sampled. On Hobby, collection pauses at 5k events and resumes when the month resets; upgrading turns it back on immediately.