Moved from a bloated third-party theme to a clean theme, cutting load time from 2s+ to under 1s

Idea byJosh Thompson

Commentary byLiftArchiveOur analysis, not theirs

Moved from a bloated third-party theme to a clean theme, cutting load time from 2s+ to under 1s. Josh claims +$81K the next month; no test data shown.

Who ran it

Josh Thompson (@joshtCRO) shared this idea on X. The numbers and screenshots are theirs.

View the original post on X

Similar tests

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Revenue per visitor +41.85% (£1.08 to £1.54)

New theme with a BOGO offer vs old theme

Site-wideBundles & quantity breaks@kasper_dolk

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Idea, no result yet

Replace apps with custom code and compress assets for page speed

Site-wideProduct images & gallery@DaveDiederen

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Idea, no result yet

Switched from a third-party theme to a native theme and matched landing pages to top ads

Site-wideAd-to-page message match@joshtCRO

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Idea, no result yet

Lazy-load GIFs behind compressed first-frame placeholders

Site-wideThemes, page builders & page speed@DaveDiederen

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B

Idea, no result yet

Replaced a third-party Shopify theme with a custom-built store experience

Site-wideThemes, page builders & page speed@joshtCRO

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Idea, no result yet

Switched from a third-party Shopify theme to a custom setup

Site-wideThemes, page builders & page speed@joshtCRO