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Bit Kapteyn

Bit Kapteyn is a free zero-knowledge password manager with AES-256 encryption. Store unlimited passwords, autofill logins, and sync across iOS, Android, Mac & Windows.

Added August 13, 2026 · Last analysed August 13, 2026 · via

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 13 August 2026; the live site may have changed since.

Bit Kapteyn is largely in shape, with complete legal pages and a thorough launch checklist. Visible gaps: missing Permissions-Policy and Content-Security-Policy, no robots.txt, and tracking cookies set before any opt-in.

Launched on Product Hunt on August 13, 2026. The site is hosted on AWS S3 and served through AWS CloudFront, with a domain registered in 2024. The crawl picked up 17 technologies on this site, covering CDN, hosting, security, and seo. The stack includes Jekyll, Tailwind CSS, and Amazon Web Services.

For context, it's the only launch we've crawled on this exact stack and more locked down than the typical Product Hunt launch.

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

Vibe Score 73 · Many 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 (17) · Scale-up stack

Email
Business email Hostinger Email
Build & Framework
CSS framework Tailwind CSS (2)
Meta-framework Jekyll
Analytics & Marketing
Advertising Google Ads (3)
Analytics Google Analytics (3)
SEO Google Search Console
Yandex Domain Verification
Tag management Google Tag Manager (4)
Other
Directory Product Hunt

Infrastructure

Network
AS16509 · US
DNS
AWS Route 53
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
Amazon
Valid 28 Mar 2026 to 11 Oct 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
1.7 years
Registered Dec 2024 · PDR Ltd. d/b/a PublicDomainRegistry.com

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 (5)

Cookies (4)
NameLifetimeDetected as
_ga 1y Google Analytics
_ga_YJ1DYMVJG5 1y Google Analytics
_gcl_au 3mo Google Ads
__cf_bm < 1h Cloudflare
Local storage (1)
KeySizeDetected as
_gcl_ls 277 B Google Ads

Readiness Breakdown How?

Custom title and meta description
Open Graph tags (title, image, description) (partial) missing og:image
Twitter card meta tags
Canonical URL declared
Responsive viewport meta tag
Favicon present
Semantic HTML (nav, main, article)
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.

Performance How?

292 ms Server response
55% Faster than peers
0.00 Cumulative layout shift
436 KB Page weight
2 KB Image weight
3 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.

Vibe Score Breakdown How?

SignalPoints
Placeholder branding +10
AI copy signals +5
AI palette signals +5
AI writing signals +5
AI iconography signals +3
AI code-structure signals +5
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.

AI Stance

No AI stance declared
llms.txt published
No AI bots blocked in robots.txt
? No directive declared
? None advertised

Well-Known Files

robots.txt
sitemap.xml (13 URLs)
security.txt
llms.txt
ads.txt
humans.txt
Privacy Policy
/privacy-policy/
Terms of Service
/terms-of-service/
? Consent manager not detected
Analytics set tracking cookies on our visit, with no opt-in step.
90% unique

Security Headers (4/6)

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

Build

Code splitting
4 JS files
2 CSS files
3 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.