What Shopify theme does Casper use?

Answer: No theme (headless storefront)

Teardown of casper.ca, checked 2026-10-30

Casper is a headless Shopify store: it runs on Shopify for products and checkout, but the storefront is a Custom Next.js storefront rather than a Shopify theme. We detected 6 apps and tools on the storefront, including Klaviyo, Yotpo, Zendesk. The homepage passes 12 of 18 teardown checks.

Theme details

Apps and tools on Casper

Email & SMS: Klaviyo

Reviews: Yotpo

Support: Zendesk

Analytics: Google Tag ManagerHotjarElevar

Teardown: 67/100

What Casper could improve

• ✕
  Open Graph image for link previews Social

  Set a social sharing image in theme settings so links shared on Facebook, Slack and iMessage look clickable.
• ✕
  Structured data (JSON-LD) SEO

  Add Organization and WebSite JSON-LD so Google can show brand info and a sitelinks search box.
• ✕
  At least 90% of images have alt text Accessibility

  11 of 41 images have alt text.

  Fill in alt text in the Shopify admin for products and section images. It helps screen readers and image search.
• ✕
  Homepage HTML under 250 KB Speed

  HTML is 545 KB.

  Large HTML usually comes from inline app code, huge mega menus or many hidden sections. Remove unused sections and apps.
• ✕
  Under 40 script tags on the homepage Speed

  46 script tags.

  Consolidate tracking through one tag manager and remove leftover app snippets from theme.liquid.
• ✕
  Public product catalog found Catalog

  Could not read the catalog.

  If products exist but none are found, the store may be password protected or have the products feed restricted.

What Casper gets right

• ✓
  Homepage title is 30-65 characters SEO

  Current: 51 characters.
• ✓
  Meta description is 70-160 characters SEO

  Current: 142 characters.
• ✓
  Homepage has exactly one H1 SEO

  Found 1.
• ✓
  Canonical tag present SEO
• ✓
  Below-the-fold images are lazy loaded Speed

  40 of 41 images use loading="lazy".
• ✓
  10 or fewer third-party script domains Speed

  0 third-party domains load scripts.
• ✓
  Mobile viewport configured Mobile
• ✓
  Page language declared Accessibility
• ✓
  Favicon set Brand
• ✓
  Free shipping offer visible on homepage Conversion
• ✓
  Product reviews app detected Conversion
• ✓
  Email or SMS capture tool detected Conversion

Other stores using Headless (Next.js)

All Headless (Next.js) theme examples

Questions about Casper

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