Why Is My Shopify Store So Slow

How to fix it

Try these in order — the most common fix is first.

1. 1. Open the Speed report

   1. Go to Online Store > Themes > Speed and note the apps and scripts flagged.
   Did this fix it? Yes No

2. 2. Work on a duplicate theme

   1. Duplicate the live theme, make changes on the copy, and publish only after it tests faster.
   Did this fix it? Yes No

3. 3. Remove apps one at a time

   1. Uninstall unused apps individually and re-test so you learn which one hurts.
   Did this fix it? Yes No

4. 4. Clean orphaned code

   1. Search theme.liquid for leftover snippets from removed apps and filter the browser Network tab by JS.
   Did this fix it? Yes No

5. 5. Fix images and sections

   1. Resize hero images before upload and remove unused sliders or sections.
   Did this fix it? Yes No

Symptoms

Pages take long to load, Lighthouse scores are low, or the theme editor lags.

Why it happens

• Too many apps loading scripts
• Code left behind by uninstalled apps
• Large unoptimized images and video
• Heavy theme sections and sliders
• Third-party tracking scripts

This guide also covers

• why is my shopify store so slow
• shopify store loading slow
• shopify speed

The same problem in other apps

All slow, laggy or resource-hungry guides →

• Why Is My Wix Site So Slow? (Wix)
• Why Is My Squarespace Site So Slow (Squarespace)

Other Shopify errors

• How to Cancel Shopify Subscription (and Close Your Store)
• Shopify Payments Payout On Hold
• Shopify 'This Store Can't Accept Payments Right Now'
• Shopify Card Declined at Checkout
• Shopify SSL Pending Stuck on Custom Domain
• Shopify Products Not Showing on Online Store
• Shopify Locked Out: Lost Two-Step Authentication
• Shopify Google & YouTube App Products Not Syncing