Online Store 1.0 - No Longer Supported

Legacy Shopify Themes

10,725 stores still using deprecated Online Store 1.0 themes

Understanding Shopify Legacy Themes

Legacy themes are Shopify themes built on the original Online Store 1.0 architecture, released before Shopify's major platform update in June 2021. While these themes served millions of merchants well, they lack the flexibility, performance optimisations, and modern features available in Online Store 2.0 themes.

Shopify officially deprecated Online Store 1.0 themes in 2023, meaning they no longer receive updates, security patches, or new feature support. Stores using legacy themes miss out on app blocks, sections everywhere, improved metafields, and significant performance improvements that come standard with OS 2.0.

The five original Shopify-built legacy themes—Debut, Brooklyn, Minimal, Narrative, and Supply—collectively still power nearly 4,000 stores in our database. While these themes remain functional, Shopify strongly recommends migrating to modern alternatives like Dawn, Craft, or Warehouse for better performance, security, and future compatibility.

Stores on Legacy Themes

10,725

Legacy Themes

5

Avg Performance

61

Platform Status

Deprecated

No longer supported

Why Migrate from Legacy Themes?

Performance Benefits

  • • Faster page load times with modern architecture
  • • Improved Core Web Vitals scores
  • • Lazy loading and optimised asset delivery
  • • Better mobile performance

Feature Access

  • • App blocks for easy customisation
  • • Sections on every page, not just homepage
  • • Enhanced metafield support
  • • New Shopify features as they launch

Security & Support

  • • Active security patches and updates
  • • Theme developer support
  • • Compatibility with new Shopify APIs
  • • Future-proofed for platform changes

Business Impact

  • • Higher conversion rates from better UX
  • • Improved SEO from faster load times
  • • Easier content management
  • • Lower maintenance costs

Stores Using Legacy Themes (10,725)

#StoreProductsLink
14,899
22,319
3328
4238
56,756
6153
71,825
8558
9253
101,768
11343
12188
13221
1417,183
15947
162,936
17381
18977
195,151
20536
21211
22387
23168
242,077
25251
26421
27333
28444
291,613
30327
31177
32215
332,594
34774
35325
36323
37173
38167
391,189
40562
41206
42370
431,391
44570
45627
46663
47945
48300
492,163
502,062

Showing 150 of 10,725 stores

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Frequently Asked Questions

What makes a theme "legacy"?

Legacy themes are built on Shopify's Online Store 1.0 architecture, which was the standard before June 2021. They use older Liquid templating patterns and lack support for modern features like app blocks and sections on every page.

Will my store stop working on a legacy theme?

No, your store will continue to function. However, legacy themes no longer receive updates, security patches, or new features. Over time, this may lead to compatibility issues with new Shopify features and apps.

How difficult is migrating to OS 2.0?

Migration complexity depends on your customisations. Simple stores with minimal changes can often migrate in a few hours. Heavily customised stores may need professional help to recreate functionality in the new theme architecture.

Which OS 2.0 theme should I migrate to?

Dawn is the recommended free replacement for most legacy themes. For specific migrations: Debut → Dawn, Brooklyn → Dawn, Minimal → Dawn, Narrative → Craft, Supply → Warehouse. Use our Theme Recommender to find the best match for your store.