What Shopify theme does Casper Sleep use?
Answer: Impact v6.0.1
Teardown of casper.com, checked 2026-10-28
Casper Sleep runs on the Impact Shopify theme (version 6.0.1), renamed to "Release-26-40-102626-Monday" in the admin. We detected 4 apps and tools on the storefront, including Attentive, Yotpo, Affirm. The public catalog lists 220 products priced from $0.09 to $49,999. The homepage passes 16 of 18 teardown checks.
Theme details
| Field | Value |
|---|---|
| Theme | Impact |
| Name in admin | Release-26-40-102626-Monday |
| Version | 6.0.1 |
| Source | Not from the Shopify Theme Store, or a custom build |
| Currency | USD |
Apps and tools on Casper Sleep
Email & SMS: Attentive
Reviews: Yotpo
Payments: Affirm
Analytics: Elevar
Catalog snapshot
Products220
Lowest price$0.09
Highest price$49,999
Top product types: BundlesPillowsClearanceSheetsFurnitureMattress
Top vendors: CasperExtend
Teardown: 89/100
What Casper Sleep could improve
- ✕Homepage HTML under 250 KB SpeedHTML is 745 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 Speed98 script tags.Consolidate tracking through one tag manager and remove leftover app snippets from theme.liquid.
What Casper Sleep gets right
- ✓Homepage title is 30-65 characters SEOCurrent: 60 characters.
- ✓Meta description is 70-160 characters SEOCurrent: 127 characters.
- ✓Homepage has exactly one H1 SEOFound 1.
- ✓Canonical tag present SEO
- ✓Open Graph image for link previews Social
- ✓Structured data (JSON-LD) SEO
- ✓At least 90% of images have alt text Accessibility87 of 94 images have alt text.
- ✓Below-the-fold images are lazy loaded Speed73 of 94 images use loading="lazy".
- ✓10 or fewer third-party script domains Speed4 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
- ✓Public product catalog found Catalog220 products found.
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Questions about Casper Sleep
What Shopify theme does Casper Sleep use?
Casper Sleep uses the Impact theme, version 6.0.1. In the Shopify admin it is named "Release-26-40-102626-Monday". Checked 2026-10-28.
What apps does Casper Sleep use?
We detected Attentive, Yotpo, Affirm, Elevar on the Casper Sleep homepage.