Shopify theme speed audit
A practical speed audit for merchants who need to find what is slowing down a Shopify theme before rebuilding it.
Run a free store health check
Start with a public homepage scan, then install Store Health for the full theme, files, metafields, discounts, and product report.
Speed issues usually come from theme debt, not one single file.
- Too many third-party scripts loading on every page.
- Oversized images, videos, and theme assets that were never cleaned up.
- App embeds and snippets left behind after app experiments.
Check the storefront like a merchant would experience it.
- Review script count, third-party hosts, and render-blocking assets.
- Look for large files referenced by theme sections, metafields, and content.
- Compare theme versions after cleanup so speed wins do not create regressions.
FAQ
Is this the same as Lighthouse?
No. Lighthouse measures page performance. Store Health focuses on Shopify-specific causes such as app code, scripts, large files, and theme hygiene.
Should I edit the live theme first?
No. Duplicate the theme, clean the draft, then compare and publish only after QA.
Run a free store health check
Start with a public homepage scan, then install Store Health for the full theme, files, metafields, discounts, and product report.
Free Shopify audit tools
Use these focused guides to spot the issues that usually hide inside Shopify themes, app embeds, scripts, and content setup.
Free Shopify audit
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