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EmailQA

Preview HTML emails across devices and collect visual feedback from your team.

Productivity

Added April 21, 2026 · Last analysed April 21, 2026 · via

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 21 April 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.

EmailQA ships with the launch fundamentals in place, with complete legal pages and clean crawl signals. What needs work: no Content-Security-Policy and incomplete email security.

Launched on Product Hunt on April 21, 2026. The site is hosted on Railway and served through Cloudflare. Our crawler found 13 technologies on this site, covering analytics, auth, CDN, and CSS frameworks. The stack includes Auth.js, Next.js, and React.

It's also a rare Postal sighting, just 18 in our data and tighter on security headers than most Product Hunt launches.

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

8.8
StackScope Score
Excellent
76/100 Launch Readiness
Well prepared
3/3 Legal
Complete
2/2 Crawl files
Complete
Vibe Score 18 · 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 (13)

Infrastructure
CDN Cloudflare (3)
DNS Cloudflare DNS
Hosting Railway (2)
Protocol HTTP/3 (2)
Security HSTS (2)
Email
Email marketing Driftly (2)
Transactional email Postal
Build & Framework
Auth Auth.js
CSS framework Tailwind CSS
Framework React
Meta-framework Next.js (3)
Analytics & Marketing
Analytics Microsoft Clarity
SEO Google Search Console

Infrastructure

Network
AS13335 · US
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 5 Apr 2026 to 5 Jul 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 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 (1)

Cookies (1)
NameLifetimeDetected as
__Host-authjs.csrf-token session Auth.js
HTTP cookies only. This snapshot pre-dates 21 Apr 2026 when StackScope started capturing JavaScript-set cookies, localStorage, IndexedDB, and Cache Storage.

Readiness Breakdown How?

Custom title and meta description
Open Graph tags (title, image, description)
Twitter card meta tags
Responsive viewport meta tag
Favicon present
Meta description is 167 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.
- Canonical URL declared
- Semantic HTML (nav, main, article)

Vibe Score Breakdown How?

SignalPoints
AI copy signals +5
AI palette signals +5
AI writing signals +3
AI layout 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

robots.txt
sitemap.xml (37 URLs)
security.txt
llms.txt
ads.txt
humans.txt
Privacy Policy
/privacy
Terms of Service
/terms
? Analytics present, but it set no tracking cookies on our visit (it may be opt-in-gated).
88% unique

Security Headers (5/6)

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

Performance

381ms response time
Faster than 43% of sites
2 third-party domains loaded

Build

Code splitting
18 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.