Kosas landing page teardown
The page at sephora.com has been the destination of a Kosas Facebook ad for 50 days. We captured it and scored it 40/100 on the 8-point CRO checklist below.
Offer on the page: Sign in or create an account to enjoy FREE standard shipping on all orders.
?What is a CRO score?
CRO stands for Conversion Rate Optimization: turning more of the visitors you already have into customers. This score (0 to 100) rates how well a landing page is built to convert, across 8 factors like offer, headline, speed, trust, and mobile. Read the full explainer →
Funnel score
8-point CRO breakdown
How well the landing page behind the ad is built to convert, scored across 8 factors: offer, copy, speed, trust, mobile, message-match, CTA, and social proof.
This is a sign-in/account creation page, not a product page for the Soulgazer mascara advertised. The page offers free standard shipping as an incentive but fails to show the actual product, its benefits, or pricing. While the sign-in flow is clean and mobile-optimized, there is a fundamental mismatch between the ad (promoting a specific KOSAS mascara product) and the landing page (a generic authentication screen). Users expecting to see and purchase the mascara are instead confronted with a login requirement, creating friction and likely high bounce rates.
What this page does right. Steal these.
- Mobile experience8/10
- Call to action7/10
Where it leaks conversions
- Social proof0/10
- Message match1/10
- Headline2/10
- Offer clarity5/10
Full breakdown
Call to action
7/10The 'Sign In' button is prominent, high-contrast black, and clearly actionable, though it doesn't match the ad's 'Shop now' CTA.
- Large, full-width black button with clear white text
- High visual contrast makes it easy to locate
- Secondary 'Create Account' button provides alternative path
- CTA text 'Sign In' does not match ad CTA 'Shop now'
- Requires account creation before viewing product, adding friction
Page speed
6/10PageSpeed score of 59 converts to approximately 6/10, indicating moderate performance issues.
- PageSpeed score of 59 is below optimal threshold
- Likely slow initial load or rendering delays
Trust signals
6/10Page includes legal links (Terms of Use, Privacy Policy) and a recognized brand (Sephora), but lacks product-specific trust signals.
- Links to Terms of Use and Privacy Policy visible
- Sephora branding provides institutional trust
- 'Keep me signed in' checkbox with info icon shows security consideration
- No product reviews or ratings to build confidence
- No security badges or SSL indicators visible
- Generic login page lacks brand-specific trust elements
Mobile experience
8/10The page appears well-optimized for mobile with stacked form fields, readable text, and appropriately sized touch targets.
- Full-width input fields are easy to tap on mobile
- Checkbox and links are properly sized for touch interaction
- Vertical layout adapts well to narrow screens
- Significant whitespace below fold may require scrolling on some devices
Headline
2/10The headline 'Sign In' is generic and completely disconnected from the ad's promise of a specific mascara product.
- No mention of KOSAS or Soulgazer mascara
- Does not match the ad headline 'KOSAS AT SEPHORA'
- Provides no product context or value proposition
Social proof
0/10No social proof elements are visible on this sign-in page.
- No customer reviews or ratings shown
- No testimonials or user counts
- No trust badges or certifications visible
Message match
1/10Severe mismatch: ad promotes a specific mascara product, but landing page is a generic sign-in screen with no product information.
- Ad mentions 'Soulgazer Lengthening Mascara + Peptide Lash Serum' but page shows no product
- Ad headline 'KOSAS AT SEPHORA' not reflected on page
- Ad CTA 'Shop now' leads to login, not product purchase
Offer clarity
5/10The offer (free standard shipping) is stated clearly but is generic and not tied to the advertised product.
- Free shipping benefit is explicitly stated in bold
- Offer applies to 'all orders' with no hidden conditions
- No mention of the Soulgazer mascara or KOSAS brand
- Shipping offer is not compelling enough to justify the page choice
Your own page
That is one page's teardown. Now get your own.
Same 8-factor rubric, same evidence-backed notes, on your landing page instead of theirs. Free, no signup, about 30 seconds.
Free, no signup, no card. The same 8 factor score every page here was graded on.
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Captured from the public page at sephora.com; ad data from the public Meta Ad Library. Funnelens is not affiliated with Kosas or Meta. See data sources.