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If the quiz container appears on your page but the quiz never loads — or is stuck on a loading spinner — there is usually a JavaScript conflict, a network issue, or a browser-level problem. Work through this guide to identify the cause.

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What “Not Loading” Means

This guide covers situations where:
  • The quiz container appears on the page (a space or loading spinner is visible)
  • But the quiz content — questions, answers, buttons — never appears
  • The spinner rotates indefinitely or the page shows a blank white space
If the quiz is not visible at all (no container, no space), see Quiz Not Showing on Shopify Store instead.

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Step 1: Check for JavaScript Errors in the Browser Console

JavaScript errors are the most common cause of a quiz that loads the container but never renders content.
  1. Open your quiz page on the storefront
  2. Press F12 (or right-click and choose Inspect) to open the browser developer tools
  3. Click the Console tab
  4. Reload the page while watching the console for red error messages
  5. Look for errors referencing Quizify, or errors that appear at the same time the quiz would normally load
If you see errors, note the error message text — it will help identify the cause.

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Step 2: Test in a Different Browser or Incognito Mode

Browser extensions can interfere with JavaScript and prevent quizzes from loading.
  1. Open the quiz page in an incognito or private browsing window (which disables most extensions)
  2. Also test in a different browser (Chrome, Firefox, Edge, Safari)
If the quiz loads in incognito but not in normal mode, a browser extension is likely the cause. Disable extensions one by one to identify which one is causing the conflict.

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Step 3: Check for Conflicts with Other Apps

Third-party Shopify apps that inject JavaScript — such as popups, chat widgets, review apps, or loyalty programs — can sometimes conflict with Quizify. To test:
  1. Temporarily disable other Shopify apps (particularly those that add scripts to the storefront)
  2. Reload the quiz page
  3. If the quiz now loads, re-enable apps one at a time to identify the conflicting one
Contact the conflicting app’s support team or Quizify support with the conflict details.

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Step 4: Test on a Slow Connection or Different Network

Sometimes a quiz fails to load due to network conditions — particularly if quiz assets (images, scripts) are loading slowly.
  1. Test on a different network (switch from WiFi to mobile data or vice versa)
  2. Test with browser developer tools set to simulate a fast connection
If the quiz loads on a faster connection, large unoptimised images in the quiz may be causing a timeout.

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Step 5: Check the Quizify App Embed

A partially enabled app embed can cause the quiz to appear as a container but fail to load properly.
  1. Go to Shopify admin → Online Store → Themes → Customise
  2. Check App embeds and confirm Quizify is fully enabled
  3. Save and reload the quiz page