Free calculator for Shopify brands
What is slow mobile speed costing you?
Test any page with Google PageSpeed, then see what the extra seconds may cost in sales at your order volume. Cautious assumptions, every one editable.
Real Google PageSpeed dataShows the scripts slowing you downShareable link
1
Test a page
Your homepage or your best-selling product page. Google PageSpeed tests it on a mid-range phone; it takes 20 to 40 seconds.
2
Your store
We filled these in from your store where we could. Your real numbers make the result far more accurate.
$
3
Assumptions
Filled from your test: real-visitor data when Google has it, otherwise the lab result.
Google rates 2.5s or faster as good.
%
Portent (2019): conversion fell an average of 4.42% per added second of load time. Deloitte found a 0.1s mobile improvement lifted retail conversions 8.4%, so this default is cautious.Want help acting on the numbers?
Send a short note about your store and get a written answer within one business day, with a price if there is work worth doing. No calls needed.