Free Tool
What Is Your Shopify Store's Slow Load Time Actually Costing You?
Enter your store URL and we'll check your real Core Web Vitals against live Chrome user data, then email you an estimate of the monthly revenue your load time is likely costing you.
- LCP, CLS & performance score from PageSpeed Insights
- Third-party script & app detection
- Estimated monthly revenue leak range
Why Shopify Page Speed Actually Matters for Revenue
Page speed is not a technical vanity metric. Akamai's research found that a 100 millisecond delay in load time can reduce conversion rate by up to 7 percent. Google's own mobile research shows over half of visitors abandon a page that takes longer than 3 seconds to load.
For Shopify stores, where mobile traffic often makes up the majority of sessions, a slow store is a direct and measurable revenue problem, not just a Lighthouse score to improve. Baymard Institute puts average cart abandonment above 70 percent across ecommerce, and load time is one of the few causes you can actually fix at the code level rather than through pricing or product changes.
Most free speed tools stop at giving you a number. This calculator goes one step further: it checks which known Shopify apps are loading scripts on your storefront, then translates the gap between your current load time and a 1.5 second mobile target into an estimated monthly dollar range, using the same published research cited above.
How the calculator works
Real performance data
We pull your store's actual Core Web Vitals from Google's Chrome User Experience Report where available, not just a lab simulation.
Script detection
We scan for known third-party app scripts on your storefront and flag what's competing for load time.
Revenue translation
Using published load-time versus conversion research, we translate your speed gap into an estimated dollar range.
Frequently Asked Questions
What counts as a good page speed score for a Shopify store?+
Google's general standard is LCP under 2.5 seconds. For Shopify stores competing on paid traffic, we push for LCP under 1.5 seconds on mobile, since every 100ms of delay measurably reduces conversion rate.
How is this different from Google PageSpeed Insights?+
We pull the same underlying Core Web Vitals data Google uses, then add two things PageSpeed Insights does not give you: a scan for known third-party Shopify app scripts loading on your storefront, and a revenue impact estimate that translates your speed gap into a dollar range.
Does Shopify page speed affect SEO rankings?+
Yes. Core Web Vitals, including LCP, CLS, and INP, are part of Google's page experience signals used in ranking. Slow LCP also tends to increase bounce rate, which affects organic performance indirectly.
Is the revenue estimate accurate?+
It is a directional estimate built from published research on load time and conversion rate, not a guarantee. The estimate gets sharper the more traffic and order value data you provide. A full manual audit is required to confirm the exact cause and the real revenue impact.
How long does the calculator take to run?+
About 60 seconds. We check your store live against Google's Chrome User Experience Report and scan your storefront's script activity, then email you the full report.
Want us to actually fix it?
This calculator gives you a directional estimate. Our Shopify Speed Optimization service identifies dead-weight scripts, refactors Liquid bottlenecks, and verifies fixes against real Chrome user data.
See the Shopify Speed Optimization Service →