COMMON QUESTIONS
Frequently asked
What kind of leftover code does CleanSlate detect?
CleanSlate finds JavaScript snippets injected via Shopify's Script Tags API, CSS stylesheets, liquid render tags in theme files, theme app extension blocks that were not properly removed, and metafield data left by apps. Each item is identified with the name of the app that installed it.
Is it safe to run CleanSlate on a live store?
Yes — CleanSlate creates an automatic theme backup before making any changes. You can restore to the pre-clean state in one click from Shopify's theme editor if anything unexpected happens. We recommend running CleanSlate on a duplicate theme first if you are cautious, then on your live theme once you are satisfied with the results.
Will removing leftover app code actually speed up my store?
Yes — every JavaScript file and CSS sheet that loads on your storefront adds to your page load time, even if the app that installed it is no longer active. Merchants typically see a 0.3–1.2 second improvement in Largest Contentful Paint (LCP) after a CleanSlate run. Fewer JavaScript files also means fewer potential conflicts between active apps.