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What Shopify theme does Le Slip Français use?

Answer: Concept v5.1.0

Teardown of leslipfrancais.fr, checked 2026-10-29

Le Slip Français runs on the Concept Shopify theme (version 5.1.0), renamed to "shopify.theme.concept/migration-5.1" in the admin. We detected 3 apps and tools on the storefront, including Klaviyo, Google Tag Manager, OneTrust. The public catalog lists 250+ products priced from $0.99 to $275. The homepage passes 13 of 18 teardown checks.

ThemeConceptv5.1.0

Apps detected3

Products250+

Teardown score72/100

Theme details

Field	Value
Theme	Concept
Name in admin	shopify.theme.concept/migration-5.1
Version	5.1.0
Source	Not from the Shopify Theme Store, or a custom build
Currency	USD

Apps and tools on Le Slip Français

Email & SMS: Klaviyo

Analytics: Google Tag Manager

Privacy: OneTrust

Catalog snapshot

Products250+

Lowest price$0.99

Highest price$275

Top product types: SOUSVETEMENT-SOUS VETEMENT PACKSOUSVETEMENT-BOXERSOUSVETEMENT-SLIPCHAUSSANT-CHAUSSETTECHAUSSANT-PACK CHAUSSETTELINGERIE-PACK CULOTTE ET BAS

Top vendors: Le Slip Français

Teardown: 72/100

What Le Slip Français could improve

✕
At least 90% of images have alt text Accessibility
66 of 82 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 750 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
78 script tags.
Consolidate tracking through one tag manager and remove leftover app snippets from theme.liquid.
✕
Free shipping offer visible on homepage Conversion
Shipping cost is the top reason for cart abandonment. If you offer free shipping over a threshold, say so in the announcement bar.
✕
Product reviews app detected Conversion
Show reviews on product pages. Shoppers trust other customers more than product copy.

What Le Slip Français gets right

✓
Homepage title is 30-65 characters SEO
Current: 48 characters.
✓
Meta description is 70-160 characters SEO
Current: 146 characters.
✓
Homepage has exactly one H1 SEO
Found 1.
✓
Canonical tag present SEO
✓
Open Graph image for link previews Social
✓
Structured data (JSON-LD) SEO
✓
Below-the-fold images are lazy loaded Speed
62 of 82 images use loading="lazy".
✓
10 or fewer third-party script domains Speed
4 third-party domains load scripts.
✓
Mobile viewport configured Mobile
✓
Page language declared Accessibility
✓
Favicon set Brand
✓
Email or SMS capture tool detected Conversion
✓
Public product catalog found Catalog
250+ products found.