Which theme and apps does that Shopify store run?

Put the store's address into the inspector: it reads the theme Shopify prints into every page, the theme it was built from, and whether it was installed from the Theme Store. By hand, open the page's source and search for Shopify.theme. The schema_name is the theme it started as, and theme_store_id is filled in only when it was installed from the Theme Store. A custom theme shows its builder's name, or none.

No, only those that load on the home page. Apps that work in the admin, in the checkout or on product pages alone leave no trace there, and a store can serve an app's script under its own name. What the inspector does see, it names: app embeds, the script tags Shopify lists for apps, and scripts from the domains of about 150 apps and tags we know.

Its pages do not come from a Shopify theme, yet its code still asks Shopify for products and carts. The inspector checks both: no theme in the page, then the store's own scripts for Shopify's Storefront API and a myshopify.com address. It names the framework too, such as Hydrogen, Next.js or SvelteKit, and checks whether the old theme storefront still answers.

Because Google publishes real-user figures only for sites with enough visits from Chrome on phones over 28 days, and most small stores do not have that many. The lab test is the fallback: PageSpeed Insights loads the store on a simulated mid-range phone, scores it out of 100 and names the third parties that held the page up. It takes about thirty seconds.

Usually the apps. Each review widget, chat bubble or upsell loads its own scripts on every page, often more than 100 KB before compression, and they compete with the page for the phone's processor. Shopify resizes images for you, so they matter less. The inspector splits the script weight between the theme, Shopify, the apps and other third parties, so you can see which share is yours to cut.

Yes. The inspector reads only what any visitor's browser receives: the public pages, the scripts they load and the details Shopify publishes for every store at /meta.json. Nothing is logged in to, no cart or checkout is started and no app is contacted. It is the same as opening the store and reading its source, done in seconds.

It says so and stops. It recognises WooCommerce, BigCommerce, Maropost (Neto), Wix, Squarespace, Magento and a few other platforms by their fingerprints, but reads themes and apps on Shopify alone. For any website, our AI crawler checker shows whether ChatGPT, Claude and Perplexity can read it, which matters for an online store as much as for anyone.