Snapshots: Aug 30 discovery Jul 4 launch 7.6

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ReplySeal

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Marketing
France Estimated origin: France

Added July 4, 2026 · Last analysed July 4, 2026 · via · also on StackScope Discovery

StackScope records what new websites are built with, the week they launch. Most we find ourselves, by watching public internet infrastructure for brand-new sites; the rest come from Product Hunt, Hacker News and PeerPush. We crawled this one for its tech stack and scored it for launch readiness: DNS, security headers, SEO basics. This page is what we saw on 4 July 2026; the live site may have changed since.

Every technology below links to its own page: which other new sites launched with it. Vendors and agencies watch those pages with Stackdar and hear about new adopters the week they ship, from £15 a month.

ReplySeal has the basics covered well, with complete legal pages, a thorough launch checklist, and clean crawl signals. Main gaps: missing several security headers and incomplete email security.

Launched on Product Hunt on July 4, 2026. The site is hosted on Vercel, with a domain registered 5 days before launch. Our crawler found 10 technologies on this site, covering CSS frameworks, DNS providers, business email, and transactional email. The stack includes Next.js, React, and Tailwind CSS.

It's also on one of the most common stacks we track, shared by 14,964 launches.

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

Vibe Score 25 · Some 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 (10) · Indie stack

Infrastructure
DNS Vercel DNS
Hosting Vercel
Security HSTS
Email
Business email OVH Email (2)
Transactional email Resend
Build & Framework
CSS framework Tailwind CSS
Framework React
JavaScript library Motion
Meta-framework Next.js (5)
UI library Lucide Icons

Infrastructure

Network
AS16509 · US
DNS
Vercel DNS
Authoritative nameserver
DNSSEC
Not enabled
DNS responses unsigned. Cache-poisoning vulnerable.
Green hosting
Not green hosted
No green-energy record. Data from The Green Web Foundation.
SSL Certificate
Let's Encrypt
Valid 28 Jun 2026 to 26 Sep 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
2 months
Registered Jun 2026 · OVH sas

Email Security

SPF ~all Soft-fail (~all). Common and accepted.
DKIM Detected via known email provider
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)
Meta description is 239 characters (advisory) Google only shows about 155–160 characters of the description in desktop search results (less on mobile); anything past that won't appear.

Performance How?

451 ms Server response
33% Faster than peers
3904 ms Largest contentful paint
0.00 Cumulative layout shift
328 KB Page weight
2 KB Image weight
1 Third-party domains
0 Console errors
0 Failed requests

2 images: 2 oversized

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 onboarding signals +5
AI palette signals +5
AI writing signals +5
AI stack signals +10

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 (26 URLs)
security.txt
llms.txt
ads.txt
humans.txt
Privacy Policy
/legal/privacy
Terms of Service
/legal/terms
86% unique

Security Headers (1/6)

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

Build

Code splitting
9 JS files
1 CSS files
1 Third-party domains

Brand Colours

App Manifest

ReplySeal
display: standalone 1 icon
theme #b8362c
Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.