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30secondsofknowledge

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Serbia Estimated origin: Serbia

Added July 11, 2026 · Last analysed July 11, 2026 · via Hacker News · 67% unique tagline

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

30secondsofknowledge is partway there, with a thorough launch checklist, fast page loads, and clean crawl signals. Worth fixing first: missing several security headers, incomplete legal pages, and incomplete email security.

Launched on Hacker News on July 11, 2026. The site is hosted on Vercel and served through Cloudflare, with a domain registered in 2019. The crawl picked up 10 technologies on this site, covering security, advertising, CDN, and CSS frameworks. The stack includes Next.js, React, and Tailwind CSS.

For context, it's running the same core stack as 9,991 other launches.

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

Vibe Score 25 · 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
DNS Unlimited.rs DNS
Hosting Vercel
Security Cloudflare Bot Management
HSTS
Build & Framework
CSS framework Tailwind CSS
Framework React
Meta-framework Next.js (5)
Analytics & Marketing
Advertising TikTok Pixel
Commerce & Payments
Payments Gumroad (2)

Infrastructure

Network
AS16509 · US
DNS
Unlimited.rs 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 3 Jun 2026 to 1 Sep 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
7.4 years
Registered Feb 2019 · 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 (4)

Cookies (4)
NameLifetimeDetected as
cf_clearance 1y Cloudflare
tuid 1y -
_ttp 3mo TikTok Pixel
__cf_bm < 1h Cloudflare

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)
Page title is 79 characters (advisory) Google only shows about 60 characters of the title in search results; aim for 50–60 to keep the whole thing visible.
Meta description is 171 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?

44 ms Server response
99% Faster than peers
276 ms Largest contentful paint
0.00 Cumulative layout shift
1.9 MB Page weight
57 KB Image weight
4 Third-party domains
0 Console errors
0 Failed requests

107 images: 100 oversized

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 palette signals +5
AI stack signals +10

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 (1 URLs)
security.txt
llms.txt
ads.txt
humans.txt
? Privacy Policy not detected
? Terms of Service not detected
Detection works best on English language sites.

Security Headers (2/6)

Referrer-Policy via <meta name="referrer">
Permissions-Policy experimental (check browser support)
X-XSS-Protection deprecated (use Content-Security-Policy)

Build

Code splitting
12 JS files
2 CSS files
4 Third-party domains

Brand Colours

App Manifest

30 Seconds of Knowledge
display: standalone 2 icons
theme #0e1217
Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.