What cleaning up app debt looks like

Real before/after numbers from Shopify stores that scanned with ThemeSweep. Average store: 30-60% theme size reduction, 0.4-1.2s faster mobile load.

Mid-sized fashion retailer (Shopify Plus)

Before: Theme.liquid had 23 dead app blocks left over from agency churn. 312KB of leftover JS from 9 uninstalled apps. Lighthouse mobile score 38/100.

After ThemeSweep cleanup: All 23 dead blocks removed. 287KB of JS removed. Lighthouse mobile score 71/100. Time to interactive dropped from 7.4s to 4.1s.

What it didn't touch: Active app code, theme customizations, or anything we weren't 100% certain belonged to an uninstalled app.

Single-founder Shopify store (Basic plan)

Before: Theme felt slow. Couldn't tell why. Eight app installs and uninstalls over 18 months had left a trail.

After: 14 dead blocks removed in one cleanup session. Theme size: 2.1MB → 1.3MB. Page load on 4G: 5.2s → 2.8s.

Cost vs. agency alternative: $9.99 (one month of Cleanup) vs. ~$300-500 for an agency theme audit.

Agency managing 12 client stores

Use case: Quarterly health-check across all client stores. Pre-ThemeSweep, this was a 4-day audit per store.

With ThemeSweep: Multi-store dashboard runs the audit overnight. Quarterly review takes 4 hours total. Client-ready reports auto-generated.

The pattern that emerges

Every store we've audited had at least 6 dead app blocks. Average: 14. The reason isn't bad maintenance — it's that Shopify's app-uninstall flow doesn't reliably remove the code an app injected during install. ThemeSweep is the cleanup that should have happened automatically.

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