Free calculator ยท instant

What's your slow site costing you?

Your traffic, your average sale, your load time. Every assumption sits in the open and you can adjust all of them, so the number you get is yours, not a marketing stat.

Don't know it? Request the leak scan and I'll measure it for you.

This is the one assumption in the math. Published research (Google's mobile bounce benchmarks, the Akamai/SOASTA retail study, Google and Deloitte's "Milliseconds Make Millions") supports a per-second cost roughly in this range depending on audience and device mix. Drag it wherever you find credible and watch the number move.

Estimated revenue lost to load time

$0/mo

$0 a year, at your own numbers

Want the full breakdown?

Get your numbers as a report, plus the fix list

I'll send your calculation with the exact speed fixes that matter most for service-business sites, ranked by effort against impact. One email, no drip campaign.

Not loving that number?

Speed is the most fixable leak there is: my builds ship static-first and publish dated speed receipts. Limited builds per month, free call, real plan either way.