Signatra
Sign PDF contracts, invoices and documents for free. No uploads to any server — everything runs in your browser. Private, fast, GDPR-compliant. Free plan available, Pro from just €5/month.
Estimated origin: Germany
Added April 28, 2026
· Last analysed April 28, 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 28 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.
Signatra scores highly overall, 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 April 28, 2026. The site is hosted on ZETTA-AS in Bulgaria, with a domain registered 1 week before launch. Our crawler found 6 technologies on this site, covering servers, DNS providers, business email, and web fonts. The stack includes AgilityHoster DNS, Apache, and Google Fonts.
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Tech Stack (6)
| DNS | AgilityHoster DNS |
| Server |
Apache
(2)
|
PHP
|
| Business email | mBox Hosting Email |
| Font |
Google Fonts
|
| SEO |
Google Search Console
|
Infrastructure
Email Security
Storage (1)
| Name | Lifetime | Detected as |
|---|---|---|
| PHPSESSID | 1d | PHP |
Readiness Breakdown How?
Vibe Score Breakdown How?
| Signal | Points |
|---|---|
| AI copy signals | +5 |
| AI palette signals | +5 |
| AI writing signals | +5 |
| AI code-structure signals | +10 |
| AI layout 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.