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Productivity
Russia Estimated origin: Russia

Added July 1, 2026 · Last analysed July 1, 2026 · via · 78% unique tagline

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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 1 July 2026; the live site may have changed since.

Sign PDF. Add real handwritten signature still has work before launch. Worth fixing first: missing several security headers, incomplete legal pages, and no robots.txt or sitemap.

Launched on Product Hunt on July 1, 2026. The site is hosted on SpaceWeb. The crawl picked up 9 technologies on this site, covering javascript library, analytics, CSS frameworks, and developer tools. The stack includes Tailwind CSS, nginx, and PDF.js.

For context, it's a rare SpaceWeb sighting, just 4 in our data.

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

1.8
StackScope Score
Poor
64/100 Launch Readiness
Well prepared
0/6 Security Headers
Poor
0/3 Legal
Missing
0/2 Crawl files
Missing
92/100 Performance
Fast
Vibe Score 15 · 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 (9)

Infrastructure
DNS SpaceWeb DNS
Hosting SpaceWeb
OS Ubuntu
Server nginx
Build & Framework
CSS framework Tailwind CSS
Developer tools Vite
JavaScript library PDF.js
React Router
Analytics & Marketing
Analytics Umami (2)

Infrastructure

Network
AS-REGRU - _Domain names registrar REG.RU_, Ltd, RU
AS197695 · RU
DNS
SpaceWeb 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 24 May 2026 to 22 Aug 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)

IndexedDB (1)
DatabaseVersionDetected as
sign-pdf 1 -
Using 1000 B of browser storage (of a 426.5 MB quota).

Readiness Breakdown How?

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

Performance How?

326 ms Server response
53% Faster than peers
468 ms Largest contentful paint
0.00 Cumulative layout shift
1.7 MB Page weight
452 KB Image weight
2 Third-party domains
0 Console errors
0 Failed requests

⚠ 5 images: 5 oversized, 2 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 onboarding signals +5
AI palette signals +5
AI writing 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

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
? Analytics present, but it set no tracking cookies on our visit (it may be opt-in-gated).
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

2 JS files
1 CSS files
2 Third-party domains

Brand Colours

App Manifest

Sign PDF — sign documents privately
display: standalone 3 icons
theme #FB6107
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