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StumbleUpon Is Back (Kinda)

One click. One hand-picked corner of the internet you'd never have found. No algorithm. No feed. Just serendipity.

www.stumbleagain.com · Added June 17, 2026 · Last analysed June 17, 2026 · via Hacker News · 62% 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 17 June 2026; the live site may have changed since.

StumbleUpon Is Back (Kinda) is partway there, with a thorough launch checklist, fast page loads, and clean crawl signals. Visible gaps: missing several security headers, incomplete legal pages, and no email security records.

Launched on Hacker News on June 17, 2026. The site is hosted on Cloudflare in the United States, with a domain registered 4 weeks before launch. The crawl picked up 6 technologies on this site, covering analytics, CDN, DNS providers, and protocol. The stack includes Cloudflare, Cloudflare DNS, and Cloudflare Web Analytics.

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

Vibe Score 18 · Few AI signals
Informational pattern-match signal. Does not feed the StackScope Score. See which fingerprints fired →

Tech Stack (6)

Infrastructure
CDN Cloudflare
DNS Cloudflare DNS
Protocol HTTP/3
Analytics & Marketing
Analytics Cloudflare Web Analytics
Pirsch
SEO Google Search Console

Infrastructure

Network
AS13335 · US
DNS
Cloudflare DNS
Authoritative nameserver
DNSSEC
Not enabled
DNS responses unsigned. Cache-poisoning vulnerable.
SSL Certificate
Google Trust Services
Valid 17 May 2026 to 15 Aug 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
1 month
Registered May 2026 · Cloudflare, 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 (0)

This site uses no client-side storage we could detect on page load.

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?

134 ms Server response
85% Faster than peers
196 ms Largest contentful paint
0.22 Cumulative layout shift
76 KB Page 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 writing signals +5
AI iconography signals +3

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

sitemap.xml (2 URLs)
security.txt
llms.txt
ads.txt
humans.txt
? Privacy Policy not detected
? Terms of Service not detected
? Consent manager not detected
Analytics detected; tracking fires without visitor opt-in.
Detection works best on English language sites.

Security Headers (0/6)

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

Build

3 JS files
0 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.