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SleeveUp

Track, organise and price your Pokémon card collection. View UK market prices, manage your binder, and connect with collectors.

sleeveup.app · Added June 19, 2026 · Last analysed June 19, 2026 · via · 71% 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 19 June 2026; the live site may have changed since.

SleeveUp has the basics covered well, with complete legal pages, a thorough launch checklist, and clean crawl signals. What needs work: missing several security headers and incomplete email security.

Launched on Product Hunt on June 19, 2026. The site is hosted on Amazon.com in the United States, with a domain registered 10 weeks before launch. Our crawler found 12 technologies on this site, covering cloud, build tooling, CDN, and CSS frameworks. The stack includes Tailwind CSS, Vite, and Amazon SES.

Notably, it's running the same core stack as 3,337 other launches.

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

Vibe Score 15 · Few AI signals
Informational pattern-match signal. Does not feed the StackScope Score. See which fingerprints fired →

Tech Stack (12) · Scale-up stack

Email
Email forwarding Porkbun Email Forwarding
Transactional email Amazon SES
Build & Framework
Build tool Vite
CSS framework Tailwind CSS
UI library shadcn/ui
Analytics & Marketing
Marketing TikTok Domain Verification
SEO Google Search Console
Other
Mobile Apple App Store

Infrastructure

Network
AS16509 · US
DNS
Porkbun DNS
Authoritative nameserver
DNSSEC
Not enabled
DNS responses unsigned. Cache-poisoning vulnerable.
SSL Certificate
Amazon
Valid 8 Apr 2026 to 22 Oct 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
2 months
Registered Apr 2026 · Porkbun LLC

Email Security

SPF ~all Soft-fail (~all). Common and accepted.
?
DKIM Not detected at common selectors. Your provider may use a custom one.
DMARC Not published. Receivers fall back to permissive defaults.
?
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 (0)

This site uses no client-side storage we could detect on page load.

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)
Page title is 62 characters (advisory) Google only shows about 60 characters of the title in search results; aim for 50–60 to keep the whole thing visible.

Performance How?

311 ms Server response
55% Faster than peers
392 ms Largest contentful paint
0.00 Cumulative layout shift
1.0 MB Page weight
214 KB Image weight
2 Third-party domains
0 Console errors
0 Failed requests

13 images: 7 oversized, 13 without width/height

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 CSS signals +10
AI palette signals +5

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 (6 URLs)
security.txt
llms.txt
ads.txt
humans.txt
88% unique

Security Headers (0/6)

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

Build

1 JS files
1 CSS files
2 Third-party domains

Brand Colours

App Manifest

SleeveUp
display: standalone 7 icons
theme #0d2e3a
Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.