Free calculator

What is a slowsite costing you?

Slow pages quietly lose sales. Plug in your traffic, conversion rate, and load time to see the revenue you could be leaving on the table — and what a faster site could recover.

%
$
sec
Not sure? Run the free speed test →
Estimated revenue left on the table
$4,200/ month

That's about $50,400/year and roughly 42 extra sales/leads a month you could recover by getting from 4s down to ~1s.

$20,000
current revenue / mo
$24,200
projected with a fast site
21%
modeled conversion uplift

Estimate only. Based on the well-cited industry average that conversions fall ~7% per extra second of load time; uplift is capped at 40%. Your real numbers depend on your audience and offer.

How it works

The math behind the number.

The estimate uses a well-cited industry average: conversions fall about 7% for every extra second a page takes to load. We compare your current load time to a fast ~1-second target and project the difference.

01Now

Your
baseline

Visitors × conversion rate × value tells us what you earn today.

02Gap

The speed
penalty

Every second over ~1s shaves roughly 7% off conversions.

03Upside

What you'd
recover

The monthly and yearly revenue a fast site could win back.

Why speed pays

Speed is revenue.

Every extra second of load time costs you visitors, conversions, and search rankings. The numbers are consistent across years of research.

0%
drop in conversions for
each extra second of load
0%
of mobile visitors leave a page
that takes over 3s to load
0s
the load-time target
we build toward
0+
the PageSpeed score
every site we build hits

Sources: web.dev and Google Search Central, plus the widely-cited Akamai/Deloitte finding that conversions fall ~7% per extra second of load.

FAQ

Questions, answered.

It starts from your baseline — monthly visitors × conversion rate × value per sale. Then it applies a widely cited industry average: conversions drop about 7% for every additional second of load time. It compares your current load time to a fast ~1-second target and projects the revenue that gap represents, capped at a conservative 40% uplift.

00.05

Want that revenue back?

Tell us about your site and we'll show you the path to fast.
We'll reply within 24 hours with a plan.

hello@coordinate.studio