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Defencecore

A copy-paste prompt that audits your Supabase Row Level Security, storage buckets and policies. Read-only, catalogue queries only — it never touches your data.

Developer Tools
Israel Estimated origin: Israel

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

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.

Defencecore is largely in shape, with complete legal pages, a thorough launch checklist, and clean crawl signals. Main gaps: missing several security headers, tracking cookies set before any opt-in, and incomplete email security.

Launched on Hacker News on August 13, 2026. The site is served through Cloudflare, with a domain registered in 2021. The crawl picked up 10 technologies on this site, covering CDN, analytics, baas, and DNS providers. The stack includes Next.js, React, and Cloudflare.

For context, it's on one of the most common stacks we track, shared by 1,039 launches.

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

Vibe Score 30 · Some 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 (10)

Infrastructure
CDN Cloudflare (2)
Fastly
DNS Cloudflare DNS
Security HSTS
Email
Business email Google Workspace (2)
Build & Framework
BaaS Firebase
Framework React
Meta-framework Next.js (4)
Analytics & Marketing
Analytics PostHog (4)
SEO Google Search Console

Infrastructure

Network
AS13335 · US
DNS
Cloudflare 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
Google Trust Services
Valid 3 Aug 2026 to 1 Nov 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
4.7 years
Registered Nov 2021 · GoDaddy.com, LLC

Email Security

SPF -all Strict (-all). Strong.
?
DKIM Not detected at common selectors. Your provider may use a custom one.
DMARC p=none None (p=none). Monitoring only.
?
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 (9)

Cookies (2)
NameLifetimeDetected as
cf_clearance 1y Cloudflare
ph_phc_CUGPG2UpGkGmXT3H8k2AahsLJ8gDT3RsxjkeenjArkE4_posthog 1y -
Local storage (1)
KeySizeDetected as
ph_phc_CUGPG2UpGkGmXT3H8k2AahsLJ8gDT3RsxjkeenjArkE4_posthog 1 KB PostHog
Session storage (4)
KeySizeDetected as
ph_phc_CUGPG2UpGkGmXT3H8k2AahsLJ8gDT3RsxjkeenjArkE4_posthog 90 B PostHog
ph_phc_CUGPG2UpGkGmXT3H8k2AahsLJ8gDT3RsxjkeenjArkE4_primary_window_exists 4 B PostHog
ph_phc_CUGPG2UpGkGmXT3H8k2AahsLJ8gDT3RsxjkeenjArkE4_session_registered_properties 74 B PostHog
ph_phc_CUGPG2UpGkGmXT3H8k2AahsLJ8gDT3RsxjkeenjArkE4_window_id 38 B PostHog
IndexedDB (2)
DatabaseVersionDetected as
firebase-heartbeat-database 1 Firebase
firebaseLocalStorageDb 1 Firebase

Readiness Breakdown How?

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

Performance How?

164 ms Server response
71% Faster than peers
488 ms Largest contentful paint
0.00 Cumulative layout shift
373 KB Page weight
2 Third-party domains
4 Console errors
4 Failed requests
Broken first-party requests (4), worth fixing
  • 403 /privacy
  • 403 /terms
  • 403 /guides/vibe-coding-security
  • 403 /guides/supabase-row-level-security

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 CSS signals +10
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

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

Well-Known Files

robots.txt
sitemap.xml (16 URLs)
security.txt
llms.txt
ads.txt
humans.txt
Privacy Policy
/privacy
Terms of Service
/terms
? Consent manager not detected
Analytics set tracking cookies on our visit, with no opt-in step.
92% unique

Security Headers (1/6)

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

Build

Code splitting
9 JS files
1 CSS files
2 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.