Free tool · Portent conversion model
How much is a slow site costing you?
Slow pages quietly bleed conversions. Plug in your numbers — or your store's real load time — and see the revenue you're losing every month, with the math behind it.
≈ €600.000/yr
53% of mobile visits are abandoned if a page takes longer than 3 seconds to load. — Google Research
0.1s faster lifts retail conversion by up to 8.4% and average order value by 9.2%. — Deloitte Digital
2.4× higher conversion for pages loading in 2.4s versus 3.3s. — Cloudflare
Revenue lost / month
−€71.739
−58.9% conversion impact
Projected annual leakage
−€860.870
▸ recoverable with speed work
Potential revenue / mo
€121.739
at 2.0s · +143% upside
Potential orders / mo
1.623
up from 667 today
Conversion-rate decay curve
Empirical Portent data for desktop sessions
Monthly revenue you could unlock
Realized sales vs the recoverable speed penalty
This number is fixable
Turn €71.739/mo of lost revenue into a fix plan.
Our fixed-price Speed & Core Web Vitals Audit measures every page, quantifies the loss with your real traffic, and ranks the fixes by ROI.
Bridge to a fix
What could you recover?
Tick the optimisations you could apply. We subtract their estimated LCP saving and recompute the recoverable revenue.