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Yuki

Your always-on AI companion for planning, reflection, health, and daily life.

getyuki.co · Added June 6, 2026 · Last analysed June 6, 2026 · via · 60% 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 6 June 2026; the live site may have changed since.

Yuki has the basics covered well, with a thorough launch checklist, well-configured email security, and clean crawl signals. Visible gaps: missing Permissions-Policy and Content-Security-Policy and incomplete legal pages.

Launched on Product Hunt on June 6, 2026. The site is hosted on Amazon.com in the United States. Our crawler found 8 technologies on this site, covering CDN, cloud, DNS providers, and business email. The stack includes Amazon SES, Amazon Web Services, and AWS CloudFront.

Notably, it's on one of the most common stacks we track, shared by 166 launches and more locked down than the typical Product Hunt launch.

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

Vibe Score 25 · Some AI signals
Informational pattern-match signal. Does not feed the StackScope Score. See which fingerprints fired →

Tech Stack (8) · Scale-up stack

Infrastructure
CDN AWS CloudFront
Cloud Amazon Web Services
DNS AWS Route 53
Hosting AWS S3
Security HSTS
Email
Business email PrivateEmail
Transactional email Amazon SES
Build & Framework
Font Google Fonts

Infrastructure

Network
AS16509 · US
DNS
AWS Route 53
Authoritative nameserver
DNSSEC
Not enabled
DNS responses unsigned. Cache-poisoning vulnerable.
SSL Certificate
Amazon
Valid 3 Jun 2026 to 17 Dec 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=reject Reject (strict). Strong.
?
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 (1)

Local storage (1)
KeySizeDetected as
yuki_lp_theme 4 B -

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?

595 ms Server response
28% Faster than peers
1492 ms Largest contentful paint
0.01 Cumulative layout shift
1.7 MB Page weight
12 KB Image weight
2 Third-party domains
0 Console errors
0 Failed requests

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 +5
AI CSS signals +15

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

sitemap.xml (1 URLs)
security.txt
llms.txt
ads.txt
humans.txt
? Privacy Policy not detected
? Terms of Service not detected
Detection works best on English language sites.

Security Headers (4/6)

Permissions-Policy experimental (check browser support)
X-XSS-Protection deprecated (use Content-Security-Policy)

Build

HTML minified
CSS minified
JS minified
1 JS files
1 CSS files
2 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.