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Jacobmarks

Software emulation of payment cryptography workflows in CyberChef — DUKPT, EMV, PIN blocks, and more. Built with AI, open source, live demo available.

Added May 1, 2026 · Last analysed May 1, 2026 · via Hacker News

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 1 May 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.

Jacobmarks ships with the basics, with clean crawl signals. Main gaps: missing several security headers, incomplete legal pages, and tracking cookies set before any opt-in.

Launched on Hacker News on May 1, 2026. The site is hosted on Google LLC in the United States, with a domain registered in 2007. We've detected 8 technologies on this site, covering seo, advertising, analytics, and APIs. The stack includes Blogger, AWS Route 53, and Google AdSense.

It's one of 56 launches on this exact stack.

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

4.7
StackScope Score
Fair
72/100 Launch Readiness
Well prepared
0/3 Legal
Missing
2/2 Crawl files
Complete
Vibe Score 8 · 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 (8)

Infrastructure
DNS AWS Route 53
Build & Framework
API Google APIs
CMS Blogger (4)
Analytics & Marketing
Advertising Google AdSense (2)
Analytics Google Analytics (3)
SEO Google Search Console
LinkedIn
Social LinkedIn

Infrastructure

Network
AS15169 · US
DNS
AWS Route 53
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 28 Mar 2026 to 26 Jun 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
19.3 years
Registered May 2007 · Amazon Registrar, Inc.

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 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 (4)

Cookies (4)
NameLifetimeDetected as
_ga 1y Google Analytics
_gat_blogger < 1h Google Analytics
_ga_GVNL50RXGR 1y Google Analytics
_gid 1d Google Analytics

Readiness Breakdown How?

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

Vibe Score Breakdown How?

SignalPoints
AI palette signals +3
AI code-structure 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
? No directive declared
? None advertised

Well-Known Files

robots.txt
sitemap.xml (37 URLs)
security.txt
llms.txt
ads.txt
humans.txt
? Privacy Policy not detected
? Terms of Service not detected
? Consent manager not detected
Analytics set tracking cookies on our visit, with no opt-in step.
Detection works best on English language sites.

Security Headers (1/6)

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

Performance

158ms response time
Faster than 69% of sites
9 third-party domains loaded

Build

Code splitting
9 JS files
3 CSS files
9 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.