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Lingua Schiff

KI-gestützte Deutschlern-App

Education
Germany Estimated origin: Germany

Added June 24, 2026 · Last analysed June 24, 2026 · via

Own this Launch?
Screenshot of Lingua Schiff

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 24 June 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.

Lingua Schiff still has work before launch. Main gaps: missing several security headers, incomplete legal pages, and no robots.txt or sitemap.

Launched on Product Hunt on June 24, 2026. The site is hosted on Hetzner Online GmbH in Germany. The crawl picked up 4 technologies on this site, covering DNS providers, frameworks, os, and servers. The stack includes Flutter, GoDaddy DNS, and nginx.

For context, it's one of 79 launches on this exact stack.

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

1.5
StackScope Score
Poor
52/100 Launch Readiness
Partially ready
0/6 Security Headers
Poor
0/3 Legal
Missing
0/2 Crawl files
Missing
70/100 Performance
Fast
Vibe Score 0 · No 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 (4)

Infrastructure
DNS GoDaddy DNS
OS Ubuntu
Server nginx
Build & Framework
Framework Flutter (2)

Infrastructure

Network
HETZNER-AS - Hetzner Online GmbH, DE
AS24940 · DE
DNS
GoDaddy 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
Let's Encrypt
Valid 7 Jun 2026 to 5 Sep 2026
Certificate as captured in this snapshot, not a live check.

Email Security

✗
SPF Not published. Your domain can be spoofed in phishing emails.
?
DKIM Not detected at common selectors. Your provider may use a custom one.
✓
DMARC p=quarantine Quarantine (moderate)
?
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
flutter.firstSession 5 B -

Readiness Breakdown How?

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

Performance How?

232 ms Server response
61% Faster than peers
0.00 Cumulative layout shift
30.8 MB Page weight
1 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.

AI Stance

No AI stance declared
✗ llms.txt published
✓ No AI bots blocked in robots.txt
Content-Signal
? No directive declared
Link headers
? None advertised

Well-Known Files

✗ robots.txt
✗ sitemap.xml
✗ security.txt
✗ llms.txt
✗ ads.txt
✗ humans.txt

Legal

? Privacy Policy not detected
? Terms of Service not detected
Detection works best on English language sites.

Security Headers (0/6)

✗
Referrer-Policy
✗
X-Frame-Options
✗
Permissions-Policy experimental (check browser support)
✗
X-Content-Type-Options
✗
Content-Security-Policy
✗
Strict-Transport-Security
–
X-XSS-Protection deprecated (use Content-Security-Policy)

Build

3 JS files
0 CSS files
1 Third-party domains

App Manifest

language_rocket
display: standalone 4 icons
theme #0175C2
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