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Feno

The World’s First Connected Smartbrush: Harnessing Artificial Intelligence for Smarter, Insightful Brushing

Health
United States Estimated origin: United States

Added July 1, 2026 · Last analysed July 1, 2026 · via PeerPush · 75% unique tagline

StackScope is a free public catalogue of indie launches. We find launches on Product Hunt, Hacker News and similar feeds, then crawl each site to detect its tech stack and score it for launch readiness: DNS, security headers, SEO basics. This page is what we saw on 1 July 2026; the live site may have changed since.

Feno ships with the launch fundamentals in place, with complete legal pages, a thorough launch checklist, and clean crawl signals. What needs work: missing Referrer-Policy and Permissions-Policy, tracking cookies set before any opt-in, and incomplete email security.

Launched on PeerPush on July 1, 2026. The site is served through Cloudflare. The crawl picked up 45 technologies on this site, covering analytics, advertising, ecommerce, and javascript library. The stack includes Recharge, Shopify, and Tailwind CSS.

For context, it's a rare Recharge sighting, just 5 in our data and tighter on security headers than most PeerPush launches.

If you own this site, refresh the snapshot and see the full fix list any time →

9.1
StackScope Score
Excellent
100/100 Launch Readiness
Launch ready
3/3* Legal
Complete*
2/2 Crawl files
Complete
Vibe Score 11 · Few AI signals
How much the site looks AI-generated. Informational pattern-match signal, not a verdict. Does not feed the StackScope Score. See which fingerprints fired →

Tech Stack (45)

Infrastructure
CDN Cloudflare (2)
DNS Cloudflare DNS
Protocol HTTP/3
Security Cloudflare Bot Management
HSTS
Email
Business email Google Workspace (2)
Email marketing Klaviyo (6)
Build & Framework
CSS framework Tailwind CSS
Developer tools Vite
Framework Vue.js
JavaScript library jQuery
Swiper
Package CDN Google Hosted Libraries
jsDelivr
Video Vimeo (2)
WordPress plugin WooCommerce Pixel Manager
Analytics & Marketing
Advertising AppLovin (2)
Facebook Pixel
Google Ads (3)
Reddit Ads (3)
TikTok Pixel (2)
Affiliate ShareASale
Analytics Ahrefs
Aimerce
CapConvert
Google Analytics (3)
Intelligems
Microsoft Clarity (3)
Mixpanel
PostHog (5)
TVSquared (2)
Feature flags Statsig (2)
Marketing automation Postscript
SEO Google Search Console
Tag management Google Tag Manager medium
Commerce & Payments
Ecommerce Recharge
Shopify (8)
Payments Affirm (2)
Shopify app Alia (2)
JustOne
Business Tools
Chat Intercom
Fraud prevention Riskified
Productivity Zapier
Reviews Okendo (3)
Other
Directory Startup Fame

Infrastructure

Network
AS13335 · CA
DNS
Cloudflare DNS
Authoritative nameserver
DNSSEC
Not enabled
DNS responses unsigned. Cache-poisoning vulnerable.
Green hosting
Green hosted
Host runs on renewable energy. Data from The Green Web Foundation.
SSL Certificate
Google Trust Services
Valid 11 Jun 2026 to 9 Sep 2026
Certificate as captured in this snapshot, not a live check.

Email Security

SPF ~all Soft-fail (~all). Common and accepted.
?
DKIM Not detected at common selectors. Your provider may use a custom one.
DMARC p=none None (p=none). Monitoring only.
?
MTA-STS Not deployed. Mail to your domain can be downgraded to plaintext en route.
?
TLS-RPT Not configured. You won't hear about silent SMTP TLS handshake failures.

Storage (98)

Cookies (44)
NameLifetimeDetected as
3060738.3440491 1y -
axcrt 12mo -
ax_visitor 12mo -
cart 1mo -
cart_currency 13d Shopify
checkout_continuity_service 1y -
first_pla_call 29d -
ig-fv 12mo -
ig-id 12mo -
ig-location < 1h -
ig-pv 12mo -
ig-vars 12mo -
Instant-Session-Cookie 1y -
localization 1y -
ph_feno.co_posthog 12mo PostHog
ph_phc_AnDz64zBLqt28aNLx6qs3PuiAkXk2QkBix8kVN4UtRbq_posthog 12mo PostHog
session 1y -
shopify_client_id 12mo Shopify
storefront_url 29d -
test_cookie < 1h -
ttcsid 2mo TikTok Pixel
ttcsid_CPPHL0BC77UEMTOR58OG 2mo TikTok Pixel
t_v2_s 1y -
_axwrt 12mo -
_cfuvid session Cloudflare
_clck 12mo Microsoft Clarity
_clsk 23h Microsoft Clarity
_cortex_vid 1y -
_fbp 11mo Facebook Pixel
_ga 1y Google Analytics
_ga_B3L02P09W3 1y Google Analytics
_ga_NC5Q9RDDDK 1y Google Analytics
_gcl_au 2mo Google Ads
_rdt_uuid 2mo Reddit Ads
_shopify_analytics 12mo Shopify
_shopify_essential 12mo Shopify
_shopify_marketing 12mo Shopify
_shopify_s < 1h Shopify
_shopify_y 1y Shopify
_shop_app_essential 12mo Shopify
_tq_id.TV-4536904590-1.89f5 1y TVSquared
_ttp 2mo TikTok Pixel
__cf_bm < 1h Cloudflare
__kla_id 1y Klaviyo
Local storage (32)
KeySizeDetected as
$last_referrer 60 B Mixpanel
$referrer 60 B Mixpanel
aim-shop-metadata 164 B -
aim-shop-metadata-last-load-time 13 B -
alia-jwt 137 B -
alia-test 4 B -
ig-fv 13 B -
ig-id 39 B -
ig-vars 21 B -
Instant_FirstPartyBrowserId 36 B -
Instant_platformCartId 0 B -
Instant_session 160 B -
kl-post-identification-sync 160 B Klaviyo
klaviyoOnsite 84 B Klaviyo
landing_page 16 B -
ph_feno.co_posthog 683 B PostHog
ph_phc_AnDz64zBLqt28aNLx6qs3PuiAkXk2QkBix8kVN4UtRbq_posthog 1.5 KB PostHog
signInWithShop:cartSyncTransferAttemptedAt 13 B Shopify
statsig.cached.evaluations.1436838845 8.1 KB Statsig
statsig.cached.evaluations.3021658769 848 B Statsig
statsig.last_modified_time.evaluations 109 B Statsig
statsig.session_id.1543686840 105 B Statsig
statsig.session_id.81704200 105 B Statsig
statsig.stable_id.1543686840 38 B Statsig
statsig.stable_id.81704200 38 B Statsig
_applovin_pixel_version 8 B AppLovin
_cortex_sid 36 B -
_cortex_sid_ts 13 B -
_cortex_vid 36 B -
_gcl_ls 277 B Google Ads
__aim_evt_count 35 B -
__kl_key 6 B Klaviyo
Session storage (22)
KeySizeDetected as
alia-cookie-results 17 B -
alia-jwt 137 B -
alia-session 41 B -
alia-session-record 4 B -
consentHeader 38 B Shopify
klaviyoPagesVisitCountV2 20 B Klaviyo
ph_feno.co_posthog 2 B PostHog
ph_feno.co_primary_window_exists 4 B PostHog
ph_feno.co_window_id 38 B PostHog
ph_phc_AnDz64zBLqt28aNLx6qs3PuiAkXk2QkBix8kVN4UtRbq_posthog 388 B PostHog
ph_phc_AnDz64zBLqt28aNLx6qs3PuiAkXk2QkBix8kVN4UtRbq_primary_window_exists 4 B PostHog
ph_phc_AnDz64zBLqt28aNLx6qs3PuiAkXk2QkBix8kVN4UtRbq_window_id 38 B PostHog
ri-uryRv6z2SLK1pfvUp-l6KBeCkkcA-z 13 B Riskified
tp_badge_63c7223a9322c7323cf3c8a8 34 B -
tt_appInfo_v2 17 B TikTok Pixel
tt_sessionId 60 B TikTok Pixel
tt_s_pixel_session_index 20 B TikTok Pixel
wpm-ri-babc91bf-acf6-48b2-b5a5-fbd4a7e97a28-1782924700-z 13 B WooCommerce Pixel Manager
_axsid 36 B -
_cortex_sid 36 B -
_cortex_sid_ts 13 B -
_shs_state 129 B Shopify

Readiness Breakdown How?

Custom title and meta description
Open Graph tags (title, image, description)
Twitter card meta tags
Canonical URL declared
Responsive viewport meta tag
Favicon present
Semantic HTML (nav, main, article)

Performance How?

412 ms Server response
44% Faster than peers
428 ms Largest contentful paint
0.03 Cumulative layout shift
10.7 MB Page weight
1.2 MB Image weight
40 Third-party domains
1 Console errors
0 Failed requests

89 images: 9 oversized, 23 without width/height, 50 missing alt text

Indicative grade from a single automated render, not a substitute for Lighthouse or field data, and not part of the StackScope score.

Vibe Score Breakdown How?

SignalPoints
AI palette signals +5
AI writing signals +3
AI iconography signals +3

This score is based on structural patterns and is not definitive. Many legitimate sites may trigger signals, and AI-built sites may go undetected. It should be treated as an indicator, not a verdict.

AI Stance

Welcomes AI crawlers
llms.txt published
No AI bots blocked in robots.txt
? No directive declared
? None advertised

Well-Known Files

robots.txt
sitemap.xml (5 URLs)
security.txt
llms.txt
ads.txt
humans.txt
Privacy Policy
/pages/privacy-policy
Terms of Service
/pages/terms-of-use
? Consent manager not detected
Analytics set tracking cookies on our visit, with no opt-in step.
86% unique

Security Headers (4/6)

Permissions-Policy experimental (check browser support)
Content-Security-Policy ⚠ CSP violation detected: your policy is blocking 1 of your own resource
X-XSS-Protection deprecated (use Content-Security-Policy)

Build

Code splitting
93 JS files
21 CSS files
40 Third-party domains

Brand Colours

Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.