How can I optimize the Impulse theme for mobile viewing?

Shopify Discussion
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Topic summary

A store owner running Facebook ads has discovered significantly lower performance metrics for mobile and tablet visitors compared to desktop users. They’re seeking guidance on optimizing the Impulse theme for mobile devices.

Key Issues:

  • Performance gap between mobile/tablet and desktop traffic from FB ads
  • User has limited technical expertise and requests video tutorials or step-by-step guides
  • Diagnostic reports are lengthy and difficult to interpret

Current Status:

  • Store link provided for review
  • Screenshots shared showing the mobile vs. desktop performance differences
  • Discussion remains open with no solutions provided yet

The user specifically needs beginner-friendly resources to address mobile optimization for their Shopify store using the Impulse theme.

Summarized with AI on November 4. AI used: claude-sonnet-4-5-20250929.
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Hi! I’ve been running ads on FB and I just found out the performance for those viewing my site on their phones, iPads, etc. is MUCH lower than those who look at it on Desktop/Laptops.

I need to know how to optimize the Impulse Theme for mobile viewing.

I’m also not super computer literate so if someone can link me to a video or something I can follow along on, I’d really appreciate it.

My store link is: https://theoncedeadartist.myshopify.com/

Here are screen shots of the issue:
MOBILE

Lonni_0-1730924272705.png
Lonni_0-1730924272705.png2048×1152 292 KB

DESKTOP

Lonni_1-1730924295190.png
Lonni_1-1730924295190.png2048×1152 247 KB

The Diagnostic list is not only LONG but it’s like reading Greek as translated by a Chinese interpreter - and I have no proficiency in either language.

Lonni_2-1730924448398.png
Lonni_2-1730924448398.png2048×1152 224 KB

Thanks for any suggestions.