Plain-language Shopify guides for merchants and founders — what a Shopify app actually is, how to build your first one even if you have never written code, and how to add AI to your store.

Most Shopify backend interview lists stop at “what is OAuth”. This one is a 45-question quiz for app / backend developers — GraphQL Admin API and cost-based throttling, webhooks done right, metafields, Shopify Functions, and scaling. Click your answer, see your score.
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Shopify retired checkout.liquid in two waves. The replacement is not another template — it is a sandboxed React component model where you compose Shopify’s own UI primitives at fixed extension points. Here is what survives the migration, what does not, and how the new model actually works.
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Most Shopify interview lists are trivia. This one is a 45-question quiz for frontend / theme developers — Liquid, Online Store 2.0 sections, the Ajax & Section Rendering APIs, Core Web Vitals, and Hydrogen. Click your answer, see your score.
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A Shopify “app” isn’t a phone app. It’s software that plugs into a merchant’s admin and can read and change their store. Here’s how to build and install your first one — directing Claude Code in plain English.
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