Debut at a glance
- 18,973 Shopify stores ran Debut in September 2026: 2.6% of all Shopify stores in the crawl, #5 of all themes.
- Retired Shopify theme. 16,444 stores (87%) carry its Theme Store id; 2,529 run an uploaded copy, usually a developer's modified version.
- 91% of its stores pass all three Core Web Vitals for real visitors (7,208 measured), against 83% of all Shopify stores. Median LCP 1.2 s, INP 75 ms, CLS 0.00.
- Most common version: 17.13.0 on 7% of its stores.
- 69% of its stores are in the United States, then United Kingdom (4.2%), Australia (3.0%), Japan (2.8%).
Real-user speed on Debut
From the Chrome UX Report, phone visitors, 75th percentile per store. A store passes when LCP is at most 2.5 s, INP at most 200 ms and CLS at most 0.1. Only stores with all three published are counted.
| Stores | Measured | Median LCP (p75) | Median INP (p75) | Median CLS (p75) | Good LCP | Good INP | Good CLS | Pass all three |
|---|---|---|---|---|---|---|---|---|
| On Debut | 7,208 | 1.2 s | 75 ms | 0.00 | 95% | 98% | 96% | 91% |
| All Shopify stores | 378,997 | 1.5 s | 100 ms | 0.00 | 91% | 91% | 96% | 83% |
Check any store on Debut with the theme detector, or any store you visit with Store Lens for Chrome. Both show the version, how far it is behind, and this theme's figures.
Debut by store size
Site rank from the Chrome UX Report, which places every site by how many visitors it gets. The last column is Debut's share of all Shopify stores in that band.
| Site rank | Debut stores | Share of Debut stores | Share of all Shopify stores in this band | Debut's share of the band |
|---|---|---|---|---|
| Top 10,000 sites | 0 | 0.0% | 0.0% | 0.0% |
| Top 100,000 | 14 | 0.1% | 0.3% | 0.8% |
| Top 1 million | 524 | 2.8% | 6.5% | 1.1% |
| Beyond the top million | 18,435 | 97.2% | 93.2% | 2.8% |
Versions of Debut in use
Every Shopify storefront prints its theme version. A merchant stays on the version they installed until they add the new one and move their settings over.
| Version | Stores | Share of Debut stores |
|---|---|---|
| Debut 17.13.0 | 1,386 | 7.3% |
| Debut 17.14.1 | 873 | 4.6% |
| Debut 16.7.1 | 771 | 4.1% |
| Debut 17.1.0 | 654 | 3.4% |
| Debut 17.7.0 | 622 | 3.3% |
| Debut 17.12.1 | 581 | 3.1% |
| Debut 17.14.0 | 523 | 2.8% |
| Debut 16.5.2 | 423 | 2.2% |
| Debut 16.5.6 | 394 | 2.1% |
| Debut 16.5.4 | 346 | 1.8% |
| Debut 16.7.0 | 346 | 1.8% |
| Debut 17.9.2 | 343 | 1.8% |
Where Debut stores are
The country each storefront reports, for the ten most common. The last column is the same country's share of all Shopify stores, so you can see where Debut is over- or under-represented.
| Country | Debut stores | Share of Debut stores | Share of all Shopify stores |
|---|---|---|---|
| United States | 13,094 | 69.0% | 51.1% |
| United Kingdom | 797 | 4.2% | 4.2% |
| Australia | 575 | 3.0% | 3.0% |
| Japan | 531 | 2.8% | 2.0% |
| Canada | 525 | 2.8% | 2.1% |
| Germany | 417 | 2.2% | 3.4% |
| Mexico | 236 | 1.2% | 1.3% |
| New Zealand | 232 | 1.2% | 0.9% |
| Italy | 189 | 1.0% | 1.7% |
| France | 181 | 1.0% | 2.2% |
Frequently asked questions
How many Shopify stores use the Debut theme?
18,973 stores in the HTTP Archive crawl of September 2026 ran Debut, 2.6% of the 716,063 Shopify stores in the crawl and #5 among all themes. 16,444 of them carried the Theme Store id; the rest were uploaded copies.
Is Debut a fast Shopify theme?
For real visitors, 91% of 7,208 measured stores pass all three Core Web Vitals in the Chrome UX Report for August 2026, against 83% of all Shopify stores. The median store on Debut has a 75th-percentile LCP of 1.2 s and INP of 75 ms. The theme sets the ceiling; apps, images and sections on the home page decide the rest.
Which version of Debut do most stores run?
Debut 17.13.0, on 1,386 stores (7.3% of Debut stores). Next come 17.14.1 (873), 16.7.1 (771), 17.1.0 (654). Shopify does not update a store's theme automatically, so older versions stay in use until the merchant installs the new one.
Where is this data from?
The HTTP Archive crawls the home page of every site in the Chrome UX Report once a month and records the storefront object Shopify prints on the page, including the theme name, version and Theme Store id. Speed comes from the Chrome UX Report, phone traffic, 75th percentile. Full method, limits and CSVs are on the report page.
Sources and method
Counts from the HTTP Archive crawl of September 2026 (mobile root pages, custom_metrics.ecommerce); speed from the Chrome UX Report, phone, August 2026; theme names and prices from the Shopify Theme Store catalogue. The method, its limits, the queries and the CSVs are on the report page. Data under CC BY 4.0: credit Mufatech Studio and link to this page.