Custom Theme Product Pages Not Loading Properly on Shopify

Shopify Discussion
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Topic summary

A user integrated their website with Shopify using a custom theme but is experiencing issues where product pages fail to load properly or display broken layouts on certain devices.

Troubleshooting suggestions provided:

  • Clear browser cache on affected devices (especially mobile)
  • Test with different browsers to isolate the issue
  • Check the browser console for JavaScript errors or missing files
  • Verify all scripts and theme assets are correctly linked
  • Disable recently installed apps that might conflict with the theme
  • Test the site using a default Shopify theme to confirm whether the problem is theme-specific

Potential causes identified:

  • Coding conflicts within the custom theme
  • Missing or improperly linked theme files
  • App conflicts interfering with theme functionality

The discussion remains open with no confirmed resolution yet. Users suggested contacting Shopify support or the theme developer if basic troubleshooting doesn’t resolve the issue.

Summarized with AI on October 28. AI used: claude-sonnet-4-5-20250929.
1

Hello everyone,
I recently integrated my website, with Shopify, but I’m facing an issue where some of the product pages aren’t loading properly or the layout is breaking on certain devices. Has anyone else encountered a similar issue, and how did you resolve it? I’m using a custom theme, and I suspect it could be related to that. Any help or tips would be greatly appreciated!

2

@Alex1aq Can gou show me your store link?

3

Hey @Alex1aq if it’s loading on your desktop but not on your phone for example, try clearing the cache on your mobile device’s browser. If that still doesn’t work, try maybe using a different browser entirely and see if the issue still persists. Let me know if this works for you

4

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5

Custom theme product pages not loading properly can often be due to coding conflicts or missing files in the theme. I’d recommend checking the theme’s console for errors and ensuring all scripts and assets are correctly linked. Since I run a pokemon-unbound.com website, I faced similar issues when customizing my site and found that clearing caches and disabling conflicting apps helped. Also, testing on a default Shopify theme can isolate if the problem is theme-specific. If needed, reaching out to Shopify support or the theme developer can provide targeted assistance.